An Opal & Diamond Cocktail Ring in 18K

18K white gold ring featuring oval opal with strong blue and green play-of-color set in center with two rows of diamonds weighing approx. 0.50 ctw, sz 8.75, 6.9 grams

METAL: 18k Gold. GEMSTONES: Diamonds approx. 0.48ctw. Opal. MEASUREMENTS: Ring size 5 1/4, top is 25mm x 22mm. MARKED: Illegible maker's mark, 18k. WEIGHT: 12.6 grams.Gemstones have not been grade

Ring features diamonds and an opal measuring 24mm x 16.3mm. Opal has crazing. Ring size 7.5. Ring top measures 30mm x 21.9mm. Marked 18K. Weight - 15.1 grams. Gemstones have not been graded for color

Metal : 18k Gold Designer : Hubert Gemstone : Diamonds approx. 0.38ctw, Fire opal. Measurements : Ring size 6.5, top is 30mm x 26mm. Marked: : Hubert, 18k, USA, RH6845. Weigh

METAL: 18k Gold. MEASUREMENTS: Ring size 8, shank is slightly bent. Top is 28mm x 24mm. GEMSTONES: Opal (one stone is fractured), Diamonds approx. 0.64ctw. TESTED: 18k. WEIGHT: 10.5 grams.Gemstones ha

18K yellow gold ring with opal approx 22 mm x 15 mm set in the center of the ring; opal is in mint condition and has strong blue green play of color, baguette and round diamonds are set in halo around

mounted in 18K gold, size 7

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.

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

Beautiful cocktail ring in 18k yellow gold featuring a bright and colorful opal in the center surrounded by diamonds and emeralds. It is 35mm wide, a size 10, and weighs 11 grams Every month Market Au

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

METAL: 18k Gold. GEMSTONES: Fancy diamonds approx. 1.50ctw. Pink opal. MESUREMENTS: Ring size 5 1/4, ring top is 13.5mm wide. MARKED: Italy 18k, Star mark 3652AL. WEIGHT: 16.5 grams.Gemstones have not

METAL: Platinum. MEASUREMENTS: Ring size - 8 1/4, ring top - 26mm x 26mm. GEMSTONES: 15.45ct opal, measures 23.3mm x 19.9mm, shows natural crazing. Diamonds - approx. 0.48ctw. MARKED: Pt900, 1545. WEI

Platinum cocktail ring, with oval 15.5 x 12.5mm opal, surrounded with approx. 0.20ct win diamonds . Opal is slightly loose in the setting. Ring size - 5.75, ring top - 17mm x 20mm. Marked 900pt. Weigh

METAL: 14K Gold. GEMSTONES: Opal - 16mm x 10.5mm, diamonds - approx. 0.30ctw. MEASUREMENTS: Ring size 7, top measures 23.8mm x 19.2mm. Sits approx. 15.5mm from finger. TESTED: 14K. WEIGHT: 10.5 grams.

14K yellow gold ring featuring an oval opal measuring 16.3 x 12.5mm with blue, green and orange flashes bezel set in the center of ring with 22 diamonds weighing approx. 1.50ctw set surrounding center

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

set with an oval opal approx. 16x13mm, accented with 8 round diamonds approx. 0.30 carats, overall head 24x22mm, in yellow gold branch style setting, stamped 14K, size 6.75, 12gms., fine condition, op

Platinum cocktai lring, set with a 1.83ct al opal, surrounded eith 0.25ctw in diamonds. Ring size - 6, ring top - 18mm x 15mm. Marked: 900Pt, D025, 1.83. Weight 9.4 grams.

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

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

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

Estate Platinum Opal & Diamond Cocktail Ring. Hallmarked. Having a cabochon cut opal at center with small white diamonds. Ring size 6.5, can be resized. Weighs approximately 3.1 grams inclusive.

Excellent original condition; the weight is approx. 6.7 grams, featuring three 4mm opals, along with six 2mm diamonds. FJG is the mark for Frank J. Golden.