Art Deco Pin, platinum and diamond par pin bead-prong set with twelve old European cut diamonds. The total diamond weight is 4.0 carats. The average GIA clarity grade is SI/1 and the color is G-H. The pin has side engraved details, and has a Black, Starr & Frost stamp. The craftsmanship is fine, and the condition is excellent. Circa 1901 - 1914. The pin measures 2” in length. Note: Mounted gemstones are graded only to the extent that mounting permits examination.

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.

This Platinum and Sapphire Eternity Band size 5, with Five French~Cut Sapphires Alternating with 3 Round Diamonds. This pattern repeats all the way around the Anniversary Band. Other similar Platinum Bands available at our store

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...

This classic Deco sapphire French cut eternity band, crafted of platinum and rubies, features 26-30 rubies. There is a hallmark inside that reads 10% iridium platinum. The addition of iridium, a hard and rare metal with an extremely high melting point is a good thing, simply means the platinum has an even harder-wearing durability. The band measures a US/Can. 7 and is NOT size-able.

A gorgeous Art Deco platinum mounting sprinkled with diamonds and featuring a pair of round brilliant cut aquamarines. The crown of the ring rises well up off the finger, creating a sort of umbrella effect that nestles the aquamarines. The diamonds larger diamonds in the setting are old European cuts and the smaller ones are single cuts. All are in the H/I color range with VS clarity. The mounting is finished with expert milgraining and ornate piercing.

• Origin: America, ca...

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...

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...

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...

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...

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...

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 very fine round platinum, diamond and pearl brooch depicting a flower in full blossom being visited by a small insect. The flower’s leaves and petals are set with mine-cut diamonds, as are the insect’s wings. The insect’s body is formed from a small natural pearl and pearls also adorn the flower in several places. The delicacy of the design is amazing. The diamonds are very good quality and the pearls have lovely iridescence...

Platinum Diamond Engagement Ring 1.03 Major diamond SI1 GH Color

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. ........

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...

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. The single cut and old European diamonds have beautiful color (F-H) and have clarity ranging from SI1 to ...

This is a Platinum Diamond Engagement Ring from a Maryland Estate. Center ~ major Diamond is .48/100 Carat, Modern Brilliant Cut, VS2 SI1 clarity, GH color. There are another 20 Diamonds Accenting the center stone adding another 1/3 Carat of gems; therefore .78 Carats tdw. Beautiful Ring