Art Deco Platinum, Black Opal, and Diamond Ring, s

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 Platinum Black Opal & Diamond Pendant. It features a drop design centrally set with a massive pear shaped black opal. It exhibits a harlequin peacock play-of-color and measures 31.00mm x 21.0

A FINE ART DECO BLACK OPAL AND DIAMOND RING in white gold, set with a pear shaped cabochon opal accented by round cut diamonds, no assay marks, size I / 4.5, 3.5g.

1) 14K emerald cut citrine ring with darker citrine side baguettes and 2) Art Deco Platinum Peruvian opal and diamond ring

Art Deco Opal, Diamond, Platinum Ring The ring features an oval-shaped opal cabochon measu

An oval opal cabochon with predominately green color play, approx. 7.0 cts. by formula, baguette and RBC diamond pierced shoulders, diamonds approx. .36 ct. TW. Ca. 1940. Unmarked. Size 7 1/2. 4.1 dwt

An Art Deco single stone black opal ring, An Art Deco single stone black opal ring, with diamond set shoulders. A circular tallow cabochon cut black opal, milligrain set to each shoulder, to a ridged

A tremendous amount of color is exhibited through this GIA certified Australian opal. Placed in an exquisite hand made art deco platinum ring that has been designed with clean, white diamonds. Size 5-

Round cabochon opal, 13.46 x 8.24 mm., approx. 8 cts., flanked by diamond volute shoulders with onyx bullets, tapered hoop with diamond accents, approx. .60 ct. TW, ca. 1938. Size 9 1/2. 7.7 dwt.

Art Deco Style Platinum, Diamond, and Black Onyx Ringthe platinum navette shaped mount with milgrain detailing set to the center with three marquise cut diamonds weighing approximately .70 total carat

14k White Gold & Platinum Gram Weight: 6.6 Art Deco Black Onyx & Diamond Ring Size: 6.5

An Art Deco diamond and black chalcedony ringdesigned as an alternating pattern of rose-cut diamonds and chalcedony panels, in platinum on fourteen karat gold hoop.Property from the Estate of Sally Ka

Compact and lipstick case set attached (by ring clasps) to chain and finger ring all in black enamel finish. Marked 14K compact with filigree platinum medallion set with five mine cut diamonds. Very g

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 beautiful art deco platinum diamond ring, center a gem quality European cut diamond wt. approx. 1.50ct (VS/VVS, H), accented by small diamonds, size 7.5

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

Ladies platinum art deco ring featuring an old Euro cut diamond approximately 1.10 carats, Clarity-SI1, Color-J, accented by 2 baguette and 6 single cut diamonds approximately 0.18 carats, Clarity-SI2

ART DECO PLATINUM DIAMOND RING APPROX. 1.75CTW

Art Deco Platinum Weight 9.64gr 0.5”x0.78” Single cut and European Cut Diamond Approx 1ct Vs1 H  Ring Size 6.5

Art deco platinum diamon ring, center a gem quality diamond wt. 1.27ct (J/VS 2), accented with 10 small gem quality diamonds, tdw approx. 1.50ct with GIA certificate

Crafted in platinum; featuring 29 kite-shaped, triangular-, marquise- and single-cut diamonds weighing a total of approximately 2.90 carats, most with H-J color and VS-SI clarity; ring size 6-1/2; rin

METAL: platinum. GEMSTONES: diamonds-approx. 0.90ctw. MEASUREMENTS: ring size 5.25. Ring top is 18mm at widest point. MARKED: 10% Irid Plat. WEIGHT: 4.6 grams.Gemstones have not been graded for color

A very beautiful art deco platinum diamond ring, center a gem quality brilliant cut diamond wt. approx. 0.75ct (VVS/VS, E/F quality), accented by 4 large baguette, each wt. approx. 0.25ct, and 8 round

1970's Platinum Black Opal & Diamond Ring. The ring is centrally set with a large oval cabochon cut black peacock opal. It exhibits a fine blue to green harlequin play of color. It weighs approx. 5.99