One platinum on 18K yellow gold and diamond Edwardian brooch. The brooch consists of a pierced top set with Old European cut diamonds and melee rose cut diamonds in a geometric pattern. The twelve Old European diamonds have a total weight of 1.20 carats. The clarity is SI1 and the color is H-I. The thirty nine rose cut diamonds have a total weight of .50 carat. The brooch has a hinged straight back with side clutch closure. The piece measures 2" long by 7/8" wide. The condition is excellent...

This is a Platinum Diamond Engagement Ring from a Maryland Estate. Diamond is 90/100 Carat, European Cut, VS2 Clarity, IJ Color. Call for more details or come in to see

Victorian ring in platinum on 18k gold with rose-cut diamonds and rubies in crisscross design. England, ca 1880. Hallmarked. Excellent condition.

Size: 4 1/2. Weight: 2.1 dwt (3.2 g). #1221

Anyone who appreciates antique jewelry would love this fabulous platinum and diamond ring from the 1920-s. The non certified center stone is an approximately 1.30Ct brilliant cut diamond that has H color and I1 clarity. The masterfully crafted delicate openwork platinum setting is decorated by 18 single cut diamonds. The approximate total weight of all diamonds is 1.65 Ct. The ring is a size 8 and can easily be sized.

Wonderful 1920's platinum brooch with diamonds, onyx, and pearls. This lovely brooch measures 2 1/2" long and 1/2" wide (at center). There are (32) prong set Old Mine Cut diamonds set into a pierced platinum deco setting. The center of the brooch consists of two round cabachon onyx measuring 5mm each, and two round creamy white natural pearls measuring 6mm each. Trombone clasp. Indistinguishable punch marks on stem. Comes in it's original box! Excellent condition. Circa 1920.

Platinum Diamond Engagement Ring 1.03 Major diamond SI1 GH Color

Eternity band with a "twist". The band is set in half sapphire and half ruby with the ring switching from one to the other as you rotate it. The band is made of platinum and dates from about 1930. The sapphires are a lovely dark royal blue and the rubies a pinkish-red...

An exquisite Art Deco platinum pendant in the form of a rose set with old mine cut, old European cut, single cut and pear cut diamonds. The design is delicately worked in a sort of stencil effect, the negative spaces between diamond-set areas appearing as the veins of leaves or the deeper recesses of the rose blossom. The center of the rose is set with a .96-ct pear shaped diamond, H/VVS2. The smaller diamonds are well-matched in the H range SI clarity...

Elegant platinum and diamond bracelet designed by Elsa Peretti for Tiffany & Co. The bracelet features 23 collet-set 10-point round brilliant-cut diamonds spaced along a platinum chain. The diamonds are G color and VS clarity. The clasp is marked "Perretti T&Co 950". It currently (January 2013) retails at Tiffany for $10,500. Size: 7-1/8" long. Weight: 5.5 grams. Total Diamond Weight: 2.3 carats.

An exquisitely made antique platinum diamond and ruby ring that is centered by an 8 X 6 mm oval cabochon natural ruby which has the approximate weight of 1.0 Ct. The center stone is surrounded by twelve old-mine diamonds with the approximate total weight of 0.60 Ct. The top of the ring measures 13 X 11 mm.

This very elegant platinum ring is set with two 5 mm round natural emeralds, ten tapered diamond baguettes in two quarter – circles, and two smaller round diamonds. The approximate total weight of the emeralds is 1.50Ct and the diamond weight totals approximately 0.50 Ct.

Turn heads with three sparkling old mine diamonds set in this 1920’s filigree pin and pendant executed in platinum and 14 Kt white gold. The three stones weigh in at approximately 1.10 carats total and are set in platinum atop intricate filigree work full of knots, braids, and other flourishes. As is visible in the thumbnail photo, the bale may be folded down when the item is worn as a pin, either horizontally or vertically, making it symmetrical...

This is a Platinum Diamonds Eternity Band, 1.50 Carats Total Diamond Weight. This Anniversary or Eternity has 24 Full Cut Diamonds, SI Clarity, and GH Color. The Ring Size is 6 1/4. Unmarked; however tested and guaranteed Platinum. Ca. third 1/4 of the 20th Century. One of Many Platinum Diamond Jewelry pieces at our Antiques & Estate Jewelry Shop: Jantiques 10429 Fawcett St; Kensington, MD. 20895. jpgs provide more info

An ornate 9k yellow gold custom made man's black onyx signet ring probably from the 1940s. This size 11 beauty has a rectangular bezel set black onyx stone in a 11/16 x 5/8" setting. The shoulders are beautifully sculpted and engraved with a floral motif. It is stamped only 9C, it weighs 7.6 grams and it is in excellent condition with no chips, cracks, dents, bends, corrosion, damage or repairs other than signs of an earlier resizing...

A masterfully handcrafted antique diamond and platinum engagement ring is centered by an approximately 1.20Ct old-mine diamond. The center stone that is not certified has K-L color and VS2 clarity. The intricately detailed openwork setting is further enhanced by fourteen smaller single-cut diamonds. The approximate total weight of all diamonds is 1.45Ct. The ring is a size 7 ¼ and can easily be sized.

This is a Platinum Diamonds Anniversary Band, 2.00 Carats Total Diamond Weight. This Anniversary or or Eternity band has 36 Full Cut Diamonds , SI Clarity, and GH Color. OLOR. The Ring size is 5 3/4. Unmarked; however tested and Fine Platinum. Ca. third 1/4 of the 20th Century. One of Many Platinum Diamond Jewelry Pieces at our Retail Shop: Jantiques 10429 Fawcett St; Kensington, MD. 20895. jpgs provide More info

An elegant yesteryear’s platinum and diamond bow like pendant is set with nineteen round diamonds. Thirteen of the diamonds are set in the body of the pendant, while three diamonds are hung from the bottom. The approximate total weight of all diamonds is 0.75Ct. The 1 ¾” long and 9/16” wide pendant is accompanied by an 18” long platinum chain.

This is a Retro Era Platinum Circle & Bow Brooch. Set with one marquise diamond weighing approximately .40 carats, twenty square rectangular baguette diamonds weighing approximately .70 carats and forty-six graduated round brilliant-cut diamonds weighing approximately 2.90 carats. Total Diamond Weight is approximately 4 Carats. FG Color, VS Diamonds. Ca. 1950

A superb early Edwardian “style guirlande” platinum, gold, diamond, opal and pearl necklace. The fine platinum chain suspends a platinum and gold pendant centering a beautiful oval opal surrounded by an ornate swagged garland of diamonds punctuated with creamy natural pearls. The opal has strong and even play-of-color with strong flashes of bright green, a bit of blue and pale orange...

Spectacular platinum dinner ring with prong set 23.78 ct brilliant cut oval blue natural topaz dinner ring with a split shank. The topaz measures 20 x 15 x 11 mm and is surround by 40 prong set brilliant cut diamonds with an approximate total weight of 1.68 ct. The ring's focal design is 29 mm long and 25 mm wide. Condition is excellent, like new. Appraisal attached.

An elegant Art Deco ring in platinum set with diamonds, sapphires and a 7-mm pearl. The octagonal face is bordered with sixteen single-cut diamonds (H/SI2) enclosing a border of calibre-cut sapphires around the center pearl. The pearl has excellent luster and overtones...

This is from a DC Metro Estate. Posted here is a much sought after Art Deco Platinum Diamond Ring with Onyx accent stones. The Diamond is one carat, european cut, S13 I1 Clarity, HI Color. Surrounding that Diamond are multiple faceted onyz stones. Ring size is 7 3/4 .... great ring

This is a BEAUTIFUL DIAMOND ENGAGEMENT RING with a 1.50 Carat European Cut Center DIAMOND. Note the Fine PLATINUM FILIGREE Setting. Date this Engagement RING ca. 1925- 1935. Ring size is a 5 1/2. More details posted soon ... from a Florida Estate. This is a Fantastic PLATINUM DIAMOND ART DECO ENGAGEMENT RING in Excellent Condition

A stunning Art Deco platinum bracelet, the links arranged in a zigzag pattern of bead-set round diamonds and channel-set square rubies. The overall design has the beautifully graphic, geometric appeal of the best French Art Deco jewels. The diamonds average VS clarity and G/H color. The rubies are similar quality, with medium dark, vivid red color (R6/6) and eye-clean clarity...

This vintage 1950-s platinum and diamond eternity band is set with 32 diamonds. There are 4 full-cut and 28 single-cut diamonds decorating the scroll and priced design 7 millimeter wide band. The approximate total weight of all diamonds is 0.70 Ct. The ring is a size 5 ½ and it CAN NOT be sized.

An Art Deco platinum diamond solitaire ring circa 1920s 1930. This elegant diamond is a European brilliant cut, 0.90 carat, VVS-2 clarity, L-M colour. The ring is a size 7-1/2. It is stamped 10% IRID. PLAT. to indicate that 10 per cent of the metal is iridium. This is a great engagement ring choice for those who like clean classic design, and it goes well with any bridal style...

A fine Edwardian platinum and natural saltwater pearl necklace. The strand comprises 72 natural pearls of graduated sizes (3.7 to 5.0 mm) strung between platinum links. The pearls have symmetrical button shape, white body color with cream overtones, and excellent luster. The pearls are well-matched for size and quality throughout the strand. The necklace is finished with replaced 18K white gold clasp.

The necklace is accompanied by a gemological report from the Laboratoire Français de Gem...

Beautiful 5.2 carat Rubellite Tourmaline set in platinum with six diamonds. Simple and elegant, the ring is approximately a size 7. The diamonds on the sides are well cut and matched and weigh approximately 0.10 cttw. It is stamped on the inside "10% IRID PLAT". The overall weight is 4 grams.

This brilliant 1.13 carat pear shaped diamond is set in platinum. The intricately faceted stone is EGL certified as having G color and VS1 clarity. Two subtle tapered baguettes, one on each side of the rock, tip the carat weight to 1.40 total. This vintage stunner dates from the 1950's or 60’s. The ring is a size 5 and it can easily be sized.

Stunning American Edwardian platinum brooch, ca 1900. Barbell form with cylindrical pipe opal. Ends encrusted with rose-cut diamonds. Excellent condition.

Length: 2 1/8 in. #1197

A fabulous Art Deco platinum brooch in the form of a carved hardstone Scottish Terrier sitting atop a diamond-encrusted platform surrounded by a leash as a sort of diamond-set halo. The dog is finely carved and enhanced with a matte finish. The 114 old mine and single-cut diamonds average H color and SI1 clarity. The back of the pin is finished with a double clip. The reverse is engraved "To Mama 6-8-36". The bottom edge of the gallery has what appears to be a heavily worn signature. Teste...

This is a 14k and silver Edwardian period oval shaped pearl and diamond pendant. The pendant is peg set with six slightly baroque river pearls measuring 5.50mm - 5.70mm in diameter. There are twelve rose cut diamonds prong set in between the pearls. The total diamond weight is .48 carats. The pendant has the original bail and is bead set with three rose cut diamonds. It measures 1.5" by 1". The pendant is in excellent condition and is circa 1901 - 1914. The chain is 14k white gold French made ...

A very fine pair of platinum, diamond and aquamarine earrings in a classic Art Deco style. The brilliant round-cut diamonds graduate from .20 ct at the top to .30 ct at the bottom. The diamonds are finely matched at H color, VS1 to VS2 clarity, with good to very good cut. The brilliant oval-cut aquamarines have fine color color, very good brilliance and SI clarity. The aquamarines are unheated. Each gemstone is set in a fully articulated mounting with a pierced gallery. The earrings have screw ...

An impressive Edwardian pendant featuring a large cabochon amethyst and diamonds set in platinum. The amethyst is pierced and set with a .25ct H/SI1 diamond and surrounded by a halo of small old European cut and rose cut diamonds. The bail is similarly set with rose cut diamonds. The pendant has a very dramatic appeal, yet the openness of the setting keeps it from being overpowering. Tested and guaranteed platinum (chain is silver).

Origin: America, ca. 1915. Dimensions: 1-3/8” diameter...

This is a Platinum Diamond Engagement Ring with a 1.18 European Cut UT Center Diamond. That Diamond is VS2 Clarity and GH Color. The Mounting has a Step Down design with an additional 6 Diamonds adding an additional .25 Carats of weight. Total Diamond weight is approximately 1.43 Carats. One of Many Platinum Diamond Engagement Rings in Our Collection. B e a u t i f u l Ring

A very fine pair of platinum, diamond and sapphire earrings in a classic line pattern. The brilliant round-cut diamonds graduate from .10 ct at the top to .20 ct at the bottom. The diamonds are finely matched at H color, SI1 to SI2 clarity, with good to very good cut. The modified-brilliant round-cut sapphires have a beautiful limpid medium violet-blue color, excellent brilliance and eye-clean clarity. Each stone is set in a fully articulated mounting with a pierced gallery. The earrings have sc...

This reasonably priced elegant estate platinum and diamond engagement ring from the 1960-s is centered by a 1.65Ct marquise diamond. The non certified diamond has H color and I1 clarity. The center stone is flanked on either side by a tapered diamond baguette. The approximate total weight of the baguettes is 0.20Ct, which would bring the total weight of all diamonds to 1.86Ct. The ring is a size 4 ¾ and can easily be sized.

A well proportioned marquise diamond centers this platinum engagement ring and the center stone is flanked by a leaf design which is decorated by three single cut diamonds on either side. The center diamond that has I color and VS1 clarity weighs 0.46Ct and the approximate total weight of all diamonds is 0.60Ct. The ring is a size 7 ½ and can easily be sized.

This is a Platinum Diamond Engagement Ring retro era ca. 1950 - 1975 with a .60 carat diamond center ~ major diamond. That .60 Ct Stone is vs1 vs2 HI color & european cut. There are 2 addtional diamonds on each side & two Rubies on each side. Those accenting precious stones add another .10 Carat to .12 Carat Gem Weight. The Platinum mounting is a Size 6 .... Try on this great Ring in Kensington, md 20895

This is a Marquise Cut Diamond Ring in a 14K White Gold setting with Diamond accents. The Engagement Ring has an approximately 75/100 Carat Major Diamond SI2 GH Color. Vintage 1970- 1990 ......Please contact us for more details or see this Ring @ Jantiques in Kensington, Md. ........

Rare color of green tourmaline set in platinum and surrounded by diamonds. Circa 1930 and in great condition, this beautiful ring is set with a substantial 3.75 ct tourmaline. There are approximately .10 cttw of single cut diamonds surrounding it. The face of the ring measures approximately 15.5 mm long and 11.5 mm wide. The ring is a size 7.5. The setting is platinum and is marked. There are a few light scratches on the table facet of the tourmaline. They could be easily polished out. The overa...

This is a 2 Diamonds & Sapphire Ring from a Midwest Estate. The Oval Sapphire is Approximately 2 Carats & the Diamond weight will be posted shortly. Beautiful Bright & Deep Blue Sapphire

This is a Women's Platinum & Diamonds Wristwatch from a Maryland, U.S.A. Estate. The Dial reads: Elgin. The Bracelet portion alone has approximately 2.4 Carats of Diamonds with 20 .12/100 Carats European Cut Diamonds. There are another 48 Diamonds easily adding another 1 Carat Plus ARAT PLUS of Round Diamonds. Date this Piece ca. 1925- 1940 Running Strongly and in Beautiful Condition. jpgs give More info

Dazzling art deco platinum setting with approximately 1.62 ctw in diamonds in a square checkerboard pattern-- 4 rows of 4 diamonds in each row. Set on top with sixteen (16) European cut diamonds, I in color, SI in clarity, together weigh 1.5 ctw. This all original platinum ring is also set with eight (8) single cut diamonds, J in color, SI in clarity, together weigh .12 ctw. Top of ring dimensions are approximately 12mm x 12mm. 7.4 grams, ring size 6, can be sized up or down by a compete...

This Engagement Ring is from a Virginia USA Estate. Setting is Platinum with an .86 Carat Old European Cut Diamond, VS1 clarity, GH color. There are another 8 Full Cut Diamonds 4 on each side adding another 1/4 Carat Diamond weight or 1.30 Carats total diamond weight. Beautiful Platinum Diamond Ring

Natural emerald oval cabochon weighing approximately 0.40 ct surrounded by beautiful platinum openwork and four diamonds weighing approximately 0.20 cttw. The ring is a size 6 and the overall weight is 3.1 grams. It is in good condition. It is unmarked but has tested as platinum. Circa 1910.

A beautiful lady’s ring in the pierced dome style. The dome is set with melee round diamonds surrounding the center old European cut diamond. The center diamond’s diameter is 7mm with clarity VS1 and color H-I. Weight is 1.19 carat. There are 18 single cut diamonds with clarity VS1-VS2 and color G-H weighing 0.50 carat. Total weight is 4.2 grams. The ring shank is marked “Platinum and 1373” with engraved initials AJH. Circa 1910. Ring size 6 ½. The ring is in excellent condition.

This is a Platinum Diamonds engagement ring from an east coast Estate. The Center Diamond is 1.18 carat, european cut, si clarity, hi Color. There are another 8 accenting diamonds totalling approximately .25 carats; therefore, 1.43 carats tdw. Try on this Ring at Jantiques 10429 Fawcett St; Kensington, Md. 20895

Edwardian Pin, 18 K yellow gold and platinum pin. The pin is bezel set with an oval natural ruby weighing 1.00 carat. The ruby has a medium to medium light reddish-pink intensity with good clarity. There are sixty eight rose cut diamonds bead set in a platinum gallery around the ruby. The craftsmanship is fine, and the condition is excellent. Circa 1901 - 1914. The pin measures 3 ½” in length. Note: Mounted gemstones are graded only to the extent that mounting permits examination.

A spectacular Art Deco period platinum brooch with bezel set round and baguette diamonds comprising over 6 carats of diamonds, Circa 1925. The piece measures approx 2" by 1". It is not marked, but tests platinum. The brooch weighs 8.9 grams and is in excellent condition. A rare find that is elegant simplicity.

A stunning early Art Deco platinum bracelet set with diamonds and emeralds. The bracelet comprises seven rectangular plaques, each centered with an old European cut diamond. The plaques are hand-pierced in an ornate foliate pattern accented with a total of 84 smaller old European and single cut diamonds and 70 calibre-cut natural emeralds. The primary diamonds (two .44ct; two .46ct; two .55ct; and one .61ct) are very well matched and are graded G/SI1. Each plaque is slightly arched to accommodat...

Circa 1935, this late Art Deco watch is delicately crafted of platinum and diamonds. The band is made by Kreisler out of stainless steel and is marked as such on the clasp. The watch face measures approximately 1 3/8" long and 3/8" wide. It has approximately .50 carats total weight of baguette and rose cut diamonds on the front. The back of the watch is completely unmarked but has tested as platinum. The watch winds and keeps accurate time, but we do not warranty old watches. The band has two sa...

A superb pair of vintage, mid-century platinum earrings with green tourmalines and diamonds. The large rectangular step cut tourmalines contrast beautifully with the surrounding ribbons of diamonds and the whiteness of the platinum settings. The pairing of tourmalines and diamonds isn’t terribly common and gives these earrings a special appeal. The tourmalines, of outstanding quality, are graded as very slightly bluish green hue, with medium dark tone and strong saturation (vslbG 6/5); 60% ...

This is an elegant platinum and diamond ring centered by an approximately 0.23 carat brilliant cut diamond that has I color and SI1 clarity. The diamond is set in a decorative buttercup style setting with six prongs. The ring dates back to the 1940s and would make a great friendship or engagement ring for a person who appreciates fine old jewelry.The ring is a size 5 1/2 and it can easily be sized.

A phenomenal Edwardian platinum, diamond and amethyst bow brooch by Cartier. Four tromp l'oeil amethyst loops, each surrounded in old European cut diamonds, flank a center 1.08 carat, J/K, VS2 old European cut diamond.

Each of the double loops of the bow appears to be set with two amethysts, but there is in fact only one amethyst on each side. The gemstones are precision-cut to fit perfectly into the platinum setting and give the appearance of being four stones. The amethysts are graded as ...

A spectacular pair of hanging diamond earrings set in platinum with 18Kt yellow gold closure. Weather it is for a wedding or any other special occasion, these earrings will steal the show. ALL DIAMONDS ARE NATURAL, EARTH-MINED DIAMONDS! On each earring the top is a European back set with two bezel set diamonds, the triangular middle part is set with 7 diamonds and the cluster on the bottom is centered by an approximately 0.15Ct diamond which is surrounded by 12 diamonds. The approximate weight ...

Your dream could be fulfilled with this glamorous 1920-s treasure. The approximately 1.70 Ct old-mine diamond with K color and VS2 clarity is set in a beautifully engraved openwork platinum setting. The diamond was graded by our in-house gemologist, and it is not certified by a gem lab. It is rare indeed, to find a period piece like this in such perfect condition. The ring is a size 6 ½ and it can easily be sized.

An elegant Art Deco platinum filigree ring centered by a .70 old European cut diamond mounted in an octagonal surround of caliber cut synthetic sapphires (typical of genuine Art Deco period rings). The platinum setting is beautifully pierced at the front and the shank is engraved in a foliate pattern completely around. The diamond is graded as G/H color and VVS1 clarity, and has excellent cut with fine brilliance. The sapphires are bright and provide a nice pop of color. The interior of the s...

Authentic 1920-s period platinum and diamond ring. The openwork top is decorated by nine old-mine diamonds. The approximate weight of the center diamond is 0.25Ct, while the approximate total weight of all diamonds is 1.15Ct.The ring is in great condition.

A stunning pair of platinum and 18K yellow gold earrings set with diamonds and rubies by Tiffany & Co. Each earring features four marquise cut diamonds set in the traditional “Victoria” crossed pattern, suspending a prong-set round mixed-cut ruby. The diamonds are set in platinum, while the rubies are set in 18K yellow gold, as tradition dictates. The diamonds are F color and VVS2 clarity. The rubies, of equally superb quality, are graded as medium vivid red color (R 5/6), excellent cut,...