A BLACK OPAL AND DIAMOND COCKTAIL RING, the large opal

GIA 5.39 cts Black Opal & Diamond Ballerina Cocktail Ring in Platinum

mounted in 18K gold, size 7

METAL: 18k gold. MEASUREMENTS: size 7, ring top is 30mm x 24mm. GEMSTONES: approx 0.65ctw (VS/H) opal. MARKED: 363, 2205, 18k, 750. WEIGHT: 13.2 grams. Gemstones have not been graded for color and cla

LADIES PLATINUM DIAMOND BLACK OPAL COCKTAIL RING Ladies .900 Platinum diamond cocktail fashion ring with oval cut black opal center stone. Diamond carat weight total is approximately .40cts, opal meas

Ladies' vintage 18 karat yellow gold Casbah cocktail ring, set to the center with large marquise cut opal stone, encircled by approx. seventeen round brilliant cut diamonds and seventeen round opal ac

Size 7 1/2 with large oval fire opal center stone, surrounded by 18 round brilliant diamonds each .02cts, for a total of about .40cts. The diamonds are clear and white . . Property of a Williams Islan

Ring.18kt yellow gold modernist cocktail ring with large oval opal with a surround of 7 round brilliant cut diamond accents. Stamped, "18k", with unidentified maker's mark of "D". Total approx. diamon

Large 14kt yellow gold opal & diamond ring. The ring has a tall design an features six (6), prong set, oval cabochon opals surrounding one (1), prong set, round single cut diamond. The ring has an ope

Ring size 7 1/2, ring top is 26mm x 23mm. Set with 25.5mm x 19.5mm x 6.5mm opal and approx. 0.24ctw in diamonds. Ring has a flip top. Marked: rev 14k. Weight - 12.6 grams.Gemstones have not been grade

Stunning large exceptional quality black Australian opal and diamond ring. Crafted out of platinum. Features a large natural solid black opal cabochon with an explosion of colors ranging from green, b

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

Ladies 14k gold vintage cocktail ring in an organic vine design. Large purple fire free form cabochon opal central gemstone accented with small diamonds. Unmarked. Acid tested 14k. Size 7 1/2. Total w

Title: GIA Natural Black Gray Opal Diamond Platinum Ring Description:A huge mid-century crossover ring with several white and clean diamonds and a large back or gray natural opal with no treatment! Th

An elegant ladies ring for a special occasion or an everyday wear in style. Central stone is a large beautiful oval opal 7.20ct weight, surrounded by 18pc round cut diamonds. Weight 6.46 grams. Stampe

14K YELLOW GOLD , OPAL TRIPLET, RUBY, AND DIAMOND RING: This beautiful ring features a large oval, black opal triplet. The opal measures approx. 25 x 15mm. Surrounding the opal are 14 rubies and 14 di

Beautiful Art Deco style ladies cocktail ring with a tear drop shape opal that measures 16.10mm x 11mm x 6mm and diamonds on the sides. Total approx. 5.20cts. Weight 3.36 grams. Size 7. Marked 14K and

18.5mm Black Opal Slate, 1.00ctw VS1-VS2/F-G Diamond & Solid Platinum Cocktail Ring W/Emerald Accents - This beautiful ring was finely crafted of solid platinum, and boasts a lovely, 18.5mm black opal

Large 18k gold ring, with two oval opals , emeralds and approx. 1.20ctw in diamonds. Ring size - 6 (shank is bent), ring top - 30mm x 34mm. Weight - 25.5 grams.

Both rings Crafted in 14k yellow gold. Ring number 1 has (10) oval opals with (1) diamond and black enamel weighing 7.1dwt. Ring number 2 features (5) opals and (9) round sapphires weighing 8.5dwt.

Beautiful domed cocktail ring, size 5, with about 1 1/2ct od gemstones, and a large oval green turquoise Size 5, with about 2 cts of opals, and 7 small round diamonds. total weight is 11.5 grams, ship

14K white gold & opal diamond ring, large opal surrounded by small diamonds, Diamond weight 1 Cts, round shape diamonds, natural opal, 16.0 by 12.25 by 5.5 mm, weight 6.11 Cts, Saturation, Vivid, ring

TREMONTI 14K YELLOW GOLD OVAL BLACK OPAL AND DIAMOND RING, OPAL WEIGHS APPROXIMATELY 2.86 CTS; DIAMONDS WEIGH APPROXIMATELY TWT 1.03 CT. RING SIZE 7; GROSS WEIGHT 9.2 GRAMS

Large lady's opal and diamond ring. Large opal approx. 4-5 karats surrounded by 20 small diamonds set in a 14K white gold setting. In good condition. Approx. size is 6 1/2.

METAL: 18k Gold. GEMSTONES: Diamonds approx. 0.28ctw, Black opal. MEASUREMENTS: Ring size 6.5, top is 28mm x 29mm. MARKED: Tayma, 750. WEIGHT: 13.8 grams.Gemstones have not been graded for color and c