ART-DECO CERTIFICATED BLACK OPAL AND DIAMOND CLUSTER RING

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.

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

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

18ct gold hallmarked black opal & diamond cluster ring: Outstanding ring supplied by Boodles, ring size T, 24 small but high grade diamonds. Opal measures 16mm x 11mm.

Amazing 14k Art Deco design ring with a total of 14 Old Cut diamonds which weights approx 1.00tcw. The Opal measures 10x9.20mm. This gorgeous Opal is in excellent condition. The total weight of the ri

AN ART DECO DIAMOND CLUSTER RING set with an old European cut diamond of approximately 0.96 carats in a cluster of further old European cut diamonds, no assay marks, size M / 6.25, 4.5g. 

ART-DECO DIAMOND CLUSTER RING, in 18 ct. gold. Set with a larger diamond to the center, flanked with smaller ones. Diamonds bright and lively. Size K 1/2. 2.9 grams.

ART-DECO DIAMOND CLUSTER RING,high carat gold. Diamonds bright and lively.Size O.2.4 grams.

Gorgeous 14k white gold Art Deco design ring with a total of 11 round brilliant diamond. The Pear Shapped Opal is set in the center. The ring weights 3g. Ring size 7.50mm.

Gorgeous 14k white gold Art Deco design ring with a total of 11 round brilliant diamond. The Pear Shapped Opal is set in the center. The ring weights 3g. Ring size 7.50mm.

14K white gold, filigree setting, round opal displaying flashing rainbow color, approx 7.8 mm x 8 mm x 3.4 mm, sz 5.5, 3 grams tw

A 14KT white gold diamond ring with a total of 15 round brilliant diamonds (50 ctw). It is a size 6 1/2.

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

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

ART DECO, BLACK OPAL AND DIAMOND BROOCH Containing one oval cabochon black opal measuring approximately 19.85 x 17.10 x 5.85 mm and 18 old mine cut diamonds weighing approximately 0.80 carat total. Mo

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

Art Deco Platinum Weight 9g Diamond Approx. 2ct SI1 VS1-H Cluster Ring Size 6.5 Measurements 1”x0.82”

Art Deco style diamond cluster ring, mounted in yellow metal stamped 18ct, central round brilliant cut diamond surrounded by twelve further diamonds and one diamond set to each shoulder, finger size O

A BLACK OPAL AND DIAMOND CLUSTER RING LONDON 1975The oval cabochon black opal within a surround of brilliant cut diamonds, approximately 0.48 carats total, the 18 carat gold shank stamped with sponsor

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

Art Deco Opal and Diamond Ring, Marked 14k on inner shank, with an approx. .25 carats of diamonds surrounding a bezel set high dome cabochon opal (approx. 5.77mm measured diameter while set), with mil

AN ART DECO SAPPHIRE AND DIAMOND CLUSTER RING, a cushion-cut sapphire within a rectangular border of old-cut and baguette-cut diamonds. Estimated total diamond weight 1.75ct, ring size N, 5.1 grams

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.

FINE ART DECO SAPPHIRE AND DIAMOND CLUSTER RING. set with a large vibrant sapphire , totalling approx 1.40 ct. surrounded by bright diamonds. size L. 3.3 grams.