Art Deco Platinum and Diamond Ring, prong-set with

Art Deco Platinum, Opal & Diamond Ringcentered on a prong set, oval black opal (14.97 x 10.48 x 5.03 mm) with three single cut diamonds on either side weighing approximately .11 total carat (H-I color

Art Deco period ring, hand fabricated in platinum, brightly polished, engraved and chased, featuring a prong set transitional cut round brilliant diamond, with GIA Report # 2225447151, 2.01 carats, H

A ladies handmade Art Deco platinum engagement ring, having an octagonal top with a prong set Old European cut diamond (approximately 0.34 carats total weight, color I, clarity I2) and filigree decora

Platinum art-deco style sapphire and diamond ring. Round sapphire, prong-set, approximately 1.40ct (6.8mm), dark blue color. Twelve diamonds, round-brilliant cut, approximately .20ct total weight. Fin

Gorgeous 1930's art deco ladyÂ’s platinum three stone diamond ring. The ring was purchased at Tiffany & Co.* in the mid 1930's and features three (3), six prong set, Old European cut diamonds set i

Iridium platinum Art Deco ring with Old European cut diamond weighing approx. 1 ctw, set in four corner prongs, two accent baguette diamonds and four round diamonds, approx. color H, VS clarity, size

Platinum & diamond set art deco ring with partial channel and prong (2) set with one trapezoid shaped diamond, estimated weight of 0.75cts, averaging J in color, VVS-2 in clarity. Ring is partial chan

AN ART DECO PLATINUM, DIAMOND DOME FLORET LADY'S EVENING WEAR RING, the 0.5 cts. central brilliant cut prong set diamond issuing six petals in a stylized "Star of Bethlehem" motif each fitted with&#16

Ladies impressive platinum and natural diamond ring. Features a round cut center stone with an approximate weight of .85 carats. The center stone is flanked by round pave and prong set diamonds. The s

PLATINUM AND DIAMOND ART DECO COCKTAIL RING ~ SIZE 7 TAPERED SHANK, 90% PLATINUM, 10% IRIDIUM, WITH TWENTY-FOUR SURFACE PRONG SET DIAMONDS ROUNDS, BEZEL SET SQUARE CUT CENTER STONE & SIX HALF-BEZEL SE

Platinum Art Deco ring featuring an old European cut diamond measuring approx. 0.80 ct, average color grade of I-J, clarity grade of VS, engraved three tier setting with prong set accent diamonds, sz.

Ladies vintage platinum diamond and sapphire ring featuring an art deco style design, accented with prong set round single and European cut diamonds weighing approx. 0.56ct.. Accented with trillion cu

Extraordinary Art Deco 3 1/3 ct platinum, diamond and emerald ring, 4.1g. Diamond 3 1/3 carat Asher cut VS2 clarity, K color in 4 prong setting. 6 marquise cut, 4 bezel set diamonds and 2 triangular b

Ring sizes 4.25, 5. Bands measures 2.8mm and 3mm at widest points. Marked Bristol, 10% IR, Plat, One ring is hand engraved. Rings weigh 3.9 grams.Gemstones have not been graded for color and clarity ,

Art Deco platinum and diamond ring, set in the center 1 with an old European-cut diamond weighing approximately 1.15 carats and with an estimated color and clarity grade of "I-J, VS1", within a domed

A Rare Vintage Art Deco Platinum and Diamond Ring, set with a natural lavender cabochon star sapphire flanked by (4) graduated old European cut diamonds on each side, with engraved bezel. Size 3 1/2.

ART DECO PLATINUM RUBY & DIAMOND RING set with a center diamond approx. 0.25 carats (appears a nice clean stone), and 2 round rubies approx. 0.30 carats (mild scuffs), total weight 0.55 carats, overal

ART DECO PLATINUM AND DIAMOND WEDDING RING SETSolitaire old mine cut stone of 6mm flanked by six (6) diamonds, three (3) to each side engagement ring. With a companion twenty-three (23) diamond eterni

Vintage Art Deco style platinum diamond cocktail ring, set with round brilliant and baguette-cut diamonds; approx: 1.50 carats total weight; color: H-I, clarity: VS - SI1. Marked: "PLAT". Ring measure

ART DECO PLATINUM & DIAMOND FANCY RING, 1.21CTW set with 3 center European marquise diamonds approx. 0.75 carats (each 6x3mm), 2 round side diamonds approx. 0.10 carats, and a surround of 12 round dia

ART DECO PLATINUM TRIPLE DIAMOND RING, 0.90CTW set with 3 round European cut diamonds approx. 0.90 carats, (in our opinion, J-K color, VS2-SI1 clarity, however not guaranteed), overall head 6x17mm, fi

Art Deco Platinum Diamond Ring Weighing 13.1 grams Set with an app. 1.30 Ct. Diamond in Center I Color, SI3 Clarity Along with 32 Diamonds weighing app. 1.30 Ct. Ring Size 7

Art Deco Platinum Diamond Ring Weighing 4.3 grams Set with 5 Diamonds weighing app. 0.90 Ct. G-I Color, VS1-SI1 Clarity Ring Size 7

ART DECO PLATINUM DIAMOND RING Art Deco platinum ring set with round cut center diamond, approximately 0.2 CT, accented by twelve 0.01 - 0.02 CT diamonds, approximately 2.2 CTW. Marked 10% iridium pla