All Items : Estate Jewelry : Platinum : Retro : Pre 1970 item #1330312
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
All Items : Estate Jewelry : Platinum : Pre 1970 item #1330315
This is a Platinum Diamond engagement ring from a Florida estate. This Ring has the popular step mounting in platinum. The major diamond is 1.08 Carat, SI3 clarity, FG color, modern brilliant cut. There are 26 accenting diamonds adding another .70 carats making 1.78 carats total diamond weight; date ca. 1930's ~ 1940's & a Beauty
All Items : Estate Jewelry : Platinum : Vintage : Pre 1930 item #1338395
A stunning Art Deco platinum ring featuring an antique cushion cut 9.03-carat Ceylon sapphire flanked on either side by three baguette diamonds arranged in a stepped pattern. The sapphire is graded on the GIA scale as vB5/4 (medium tone, moderate-strong saturation, violetish blue color), with eye-clean clarity and excellent cut. The stone's internal characteristics suggest Ceylon as the most likely origin. The overall look is a lovely cornflower blue with a tinge of violet mixed in...
All Items : Estate Jewelry : Platinum : Pre 1930 item #1116398
This is a Platinum Diamond Engagement Ring with a 2.42 Carat center diamond. Diamond specifics continued: SI1 clarity, LM color, european cut. .... must see in peron to appreciate
All Items : Estate Jewelry : Platinum : Vintage : Pre 1930 item #1038419
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...

All Items : Estate Jewelry : Platinum : Vintage : Pre 1940 item #1262211 (stock #J1864)
Bedell & Co.
$21,000.00
Beautiful Art Deco three-stone design in Platinum totaling 2.93 carats. The Old European Cut center diamond measures approximately 1.20 carats and grades on the GIA scale as L color and VS2 clarity. The Old European Cut diamonds on either side measure approximately .80 carats and .93 carats and grade as VVS2-VS1 Clarity and K-M color. The ring is in excellent condition and is currently a size 6.75.
All Items : Estate Jewelry : Platinum : Vintage : Pre 1930 item #1456235
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...
All Items : Estate Jewelry : Platinum : Vintage : Pre 1950 item #1094785
A stunning late Art Deco pair of diamond and palladium dress clips by Tiffany & Co. The clips are fully convertible with a duette mechanism into a single round brooch of substantial presence. Each clip features a pair of stylized flowers with curving foliage and are faintly in the cornucopia shape popular in Deco and Retro jewels. The clips are extremely versatile--they can be worn singly, as a pair or joined as the larger brooch. The diamonds are G color and VVS2-VS1 clarity...
All Items : Estate Jewelry : Platinum : Pre 1920 item #794700 (stock #J1033)
Bedell & Co.
$13,500.00
This elegant and sophisticated ring was handcrafted of platinum and contains a bezel set center oval diamond surrounded by channel set square and trapezoid cut rubies with ornate filigree greek key design, geometric patterns and accents throughout. The center old mine cut diamond is 0.88 carat with VVS2 clarity and N color GIA scale. There are 28 accent diamonds old mine and old European cut totaling .56 carat with I1 clarity and H-I-J color GIA scale. The 20 natural rubies total 0.56 carat...
All Items : Estate Jewelry : Platinum : Pre 1920 item #804085 (stock #J733)
Bedell & Co.
$13,000.00
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.
All Items : Estate Jewelry : Platinum : Vintage : Pre 1920 item #1235052
A large Edwardian puffed heart pendant/brooch worked in finely pierced platinum and set with nearly six carats of old European cut diamonds. Most Edwardian hearts are somewhat smaller than this generously-sized example. The design depicts a central blossom surrounded by scrolls around the edge of the heart. The center diamond is .60 carat, L color and SI2 clarity. The remaining 36 diamonds, totaling approximately 5.27 carats, are I/J color and SI1-I1 clarity...
All Items : Estate Jewelry : Platinum : Vintage : Pre 1940 item #1231213 (stock #TR738)
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.
All Items : Estate Jewelry : Platinum : Pre 1930 item #1246722 (stock #J1840)
Bedell & Co.
$12,500.00
Exquisitely hand-carved leaves made of natural emerald dangling from lovely Art Deco Platinum and diamond earrings. Circa 1925, and in impeccable condition, these earrings are platinum with approximately 1.75 carats total weight of Old European Cut diamonds. The diamonds are well matched grading on the GIA scale as G color and VS-SI clarity. The emerald leaves weigh over 20 carats! They are beautifully translucent and excellently carved...
All Items : Estate Jewelry : Platinum : Vintage : Pre 1930 item #1334054
An exquisite Art Deco platinum filigree ring set with a 1.14 carat old European cut diamond surrounded by caliber-cut onyx and coral in a sort of Moorish design. The diamond is graded as H color and SI1 clarity. All the stones are set in millgrained bezel settings. The surrounded coral has very saturated, even coloring that contrasts beautifully with the onyx and the sparkle of the diamond. Strong color contrast is especially associated with Art Deco jewels...
All Items : Estate Jewelry : Platinum : Vintage : Pre 1930 item #1307014
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...
All Items : Estate Jewelry : Platinum : Pre 1980 item #1021403
An exquisite platinum and diamond brooch in the form of a turtle by Tiffany & Co...
All Items : Estate Jewelry : Platinum : Pre 1910 item #1453219 (stock #1197)
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

All Items : Estate Jewelry : Platinum : Pre 1930 item #1449243 (stock #AL3473)
Louis Wine Ltd
$9,500.00
Large Art Deco Diamond and Platinum Brooch C.1925. The brooch of rectangular chamfered corners shape, milligrain set with 86 mixed round brilliant, swiss and single cut diamonds, total approximate weight of 3.85 cts, average VS1-SI1 clarity, average H-I color. (centre stone 0.35 ct, VS, H). The brooch of pierced geometric design, split gallery setting. Measures: approximately 2.25 x 0.75 inches. Item Weight: 17.37 grams. Acid tested for Platinum. Condition: Very Good.