18K gold opal and diamond mounted cluster ring. Fiery opal measures 11.6 x 8.9mm. Marked 18K.

18K gold opal and diamond mounted cluster ring. Fiery opal measures 11.6 x 8.9mm. Marked 18K. Approximate ring size 8.25.

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. MEASUREMENTS: Ring size - 6, ring top is 25mm x 22mm. GEMSTONES: Opals, Diamonds approx. 0.24ctw. MARKED: CR18k. WEIGHT: 11.3 grams.Gemstones have not been graded for color and clarit

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

METAL: 18k Gold. MEASUREMENTS: Ring size - 5.5, ring top - 22mm x 15mm. GEMSTONES: Opal - 12mm x 8mm, Diamonds. MARKED: 18k. WEIGHT: 10.8 grams.Gemstones have not been graded for color and clarity ,an

METAL: 18K gold. GEMSTONES: diamonds - approx. 0.24ctw, oval cut opal 16.5mm x 10mm. MEASUREMENTS: ring size 6.25. Ring top is 23.3mm x 17mm at widest point. MARKED: Italy 18K. WEIGHT: 11.7 grams. Gem

Ring size 6 1/4, ring top is 19mm x 13mm. Set with two 5.3mm opals and approx. 0.20ctw in diamonds. Marked: 18k plat. Weight - 5.8 grams.Gemstones have not been graded for color and clarity ,and teste

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

METAL: 18k Gold. MEASUREMENTS: Ring size - 6.25, ring top - 12mm x 15mm. GEMSTONES: Opal - 6.1mm x 7.6mm, diamonds approx. 1.00ctw. MARKED: JWC, 18k. WEIGHT: 6.9 grams.Gemstones have not been graded f

18k gold ring - size 6 1/2, ring top 9.6mm x 12.1mm. Set with approx. diamonds and opal in the center. Marked 18k. Weight - 6.8 grams.14k gold ring - size 4 1/2, top - 12.1mm x 14mm. Set with opal, su

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 Designer : Unknown Gemstone : Carved opal lion, Diamonds Measurements : Cage measures 30mm x 32mm x 26mm Marked: : DHJ, English marks Weight: 31.5 grams

Ladies retro 18k white gold opal and diamond ring. Features a rectangular natural opal surrounded by prong set round diamonds. Total diamond weight is approximately .15 carats. Opal measures 10mm x 8m

18K gold opal mounted ring with naturalistic design. Opal measures 16.3mm round. Ring size 7.25. Marked 18CT. 19.1 grams.

METAL: 18K gold. GEMSTONES: diamonds, opal. MEASUREMENTS: ring size 9.25. Ring top is 26mm x 21mm at widest point. MARKED: 750 Queen$Daddy. WEIGHT: 5.5 grams.Gemstones have not been graded for color a

METAL: 18K gold. GEMSTONES: opal, 3 diamonds. MEASUREMENTS: ring size 6. Ring top is 21.5mm x 16mm at widest point. MARKED: 750, maker's hallmark. WEIGHT: 7.4 grams. Gemstones have not been graded

Men's 18kt yellow gold ring displaying a central oval cut opal with a surround of (24) single cut diamonds. Opal measures approx. 13.5mm x 9.5mm. Stamped, "18K". Total approx. weight of the ring is 21

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

18K. With green enamel highlights. Fully signed. Excellent condition. Ring size 7. Opal measures 18 x 8mm. Weight 15.9 grams.

METAL: 18k Gold. MEASUREMENTS: Ring size - 6, ring is 16mm wide. GEMSTONES: Opal cabochon - 12mm x 9mm, Diamonds approx. 0.22ctw. MARKED: K 750, D.D.S. WEIGHT: 15.5 grams.Gemstones have not been grade

Ring size 8 3/4, ring top is 26mm x 20mm. Set with opal gemstone - *has a fracture on one side, visible upon close inspection* and approx. .0.23ctw. Marked pt900,k18, 8.11,0.23. Weight - 10.5 grams.Ge

METAL: 18k gold. MEASUREMENTS: ring size - 6, ring top is 20mm x 23mm. GEMSTONES: Ethiopian opal - approx. 2.89ct, diamonds approx. 6.25ctw. MARKED: 13.9 grams.Gemstones have not been graded for color

E.J. & Co 18k White Gold Matrix Opal and Diamond Ring, Size 6.5. Diamond to either side of the ring. Marked 750 to the inner band. Weight Approx., 7 grams Measures Approx. Size 6.5 Domestic Shipping:

18K yellow gold ring featuring very fine oval opal from Coober Pedy mine in Australia, opal measures 18.5 x 12.4mm with very good green, yellow and violet play of color, set in twisted wire setting wi