6.45ct Boulder Opal, 0.50ctw Diamond 18K Ring

14.40ct Boulder Opal Diamond Freeform Ring, set in 18k Gold with 2/0.064 1 VS2 Diamonds. 17.7g, approximately 1.3125 x 1 x 0.5625 in.

Opal Pendant made with 18K Gold. The Boulder Opal from Queensland is predomantly blue and green color. The Chain is makred BUNDA 750 - The Ring is 750 White Gold and Diamonds. Opeal Weight is 31.50 Ct

Mikimoto 1.02ctw Emerald, 0.50ctw VS1-VS2/G-H Diamond Solid 18K Yellow Gold/14K White Gold Ring W/(2) Gemological Reports (Comes W/$12,500 Appraisal) - This piece combines timeless elegance with sophi

B. Kieselstein-Cord 1997 0.50ctw VS1-VS2/F-G Diamond and Solid 18K Yellow Gold Ring - This ring was made by Kieselstein-Cord and was finely crafted of solid 18k yellow gold. The ring is lined with fiv

Platinum 4.5Ct Boulder Opal & Diamond Ring, Size 4 3/4, TW:8.2 Grams.

E.J. & Co. Designer 5.00ct Fire Opal, 0.85ctw SI1-SI2/G-H Diamond & Solid 18K Yellow Gold Ring W/Hallmarks - This beautiful ring is made of solid 18k yellow gold, and boasts a beautiful, 5.00ct oval-c

14K white gold ring, brightly polished, featuring centered prong set boulder opal cabochon, weighing approx. 2.65 carats, further adorned with 6 prong set round brilliant cut diamonds weighing a total

Cartier Pasha de Cartier 0.50ctw VS1-VS2/E-F Diamond, Mother of Pearl & Solid 18K White Gold Ring - This beautiful cocktail ring from the house of Cartier made its debut as part of the brand's Pasha d

A 14 Karat Yellow Gold, Boulder Opal and Diamond Ring, containing one freeform boulder opal measuring approximately 36.00 x 25.80 mm and 126 round brilliant cut diamonds weighing approximately 1.25 ca

Boulder opal, diamond and 18k yellow and white gold ring Featuring (1) irregular shaped boulder opal, measuring approximately 22 X 11.3 X 4.5 mm, accented by (2) pear-cut and (6) full-cut diamonds, we

Van Cleef & Arpels 0.50ctw VS1-VS2/E-F Diamond, Carved Onyx and Solid 18K Yellow Gold Buckle Ring - This beautiful ring comes from one of the world's foremost designers of high-caliber luxury jewelry,

Opal and Diamond Ring.  This 18 karat yellow gold ring features a 13.93 carat, polished freeform beautiful genuine boulder opal that is bezel-set in a frame of .75 carats round, brilliant-cut, G-

10mm-12mm White and Gold Pearl, 0.50ctw SI1-SI2/G-H Diamond and Solid 18K White Gold Ring - GUARANTEED FREE SHIPPING WILL ARRIVE BEFORE CHRISTMAS IF PAYMENT RECEIVED WITHIN 48 HOURS. This lovely ring

2.45ct Black Opal, 0.50ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This ring was finely crafted of solid platinum and boasts an approximately 2.45ct oval shaped black opal which displays a beautiful

5.00ct Blue Topaz, 0.50ctw SI1-SI2/G-H Diamond, Carved Blue Quartz and Solid 18K Yellow Gold Ring - This beautiful ring was finely crafted of solid 18k yellow gold and has an elegant design decorated

5.00ct Blue Topaz, 0.50ctw SI1-SI2/G-H Diamond, Carved Blue Quartz & Solid 18K Yellow Gold Ring - This beautiful ring was finely crafted of solid 18k yellow gold and has an elegant design decorated wi

5.00ct Blue Topaz, 0.50ctw SI1-SI2/G-H Diamond, Carved Blue Quartz & Solid 18K Yellow Gold Ring - This beautiful ring was finely crafted of solid 18k yellow gold and has an elegant design decorated wi

13.5mm Black Opal, 0.50ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This ring is made of solid platinum and boasts a 13.5mm black opal center. The ring is then finished with approximately 0.50ctw SI1

Boulder Opal, Diamond, Gold Ring. Featuring one triangular shaped boulder opal measuring approximately 20 x 14 mm, accented by eight single-cut diamonds weighing a total of approximately 0.15 cttw., s

3.50ct Green Tourmaline, 0.50ctw Diamond and Solid 18K White Gold Ring - This ring is crafted of solid 18k white gold and boasts an approximately 3.50ct elongated emerald cut green tourmaline. The tou

Here is a very nice men\'s natural boulder opal ring set in 18K yellow gold. This one has been around for awhile, probably since the 40\'s.Stunning oval shape boulder opal displays a beautiful green p

BOULDER OPAL AND DIAMOND RING Containing one freeform boulder opal measuring approximately 24.00 x 11.40 mm and three round brilliant cut diamonds. Mounted in yellow gold. Ring size 6 3/4. Stamp: 750.

GRIMA: BOULDER OPAL AND DIAMOND DRESS RING, 1977 The oval boulder opal in a pierced mount of textured wire with brilliant-cut diamond accents, mounted in 18 carat gold, signed Grima, workshop mark HJC

35.00ct Opal, 0.50ctw SI1-SI2/G-H Diamond & Solid 14K Yellow Gold Ring - This lovely ring is made of solid 14k yellow gold and boasts a massive 35.00ct (approximate) genuine opal. The ring is also emb