A Transparent Opal Cabochon Diamond Platinum Necklace

A Transparent Opal Cabochon Diamond Platinum Necklace Diamonds - 1.5 TCW Approximate Dimensions: 22.5 mm x 18 mm (Opal Length x width) x 3 cm (pendant length) x 41 cm (Total Unclasped Length of Neckla

Opal, Diamond, Platinum, White Gold Pendant-Necklace  The pendant features an oval-sh

Opal-diamond necklace WG 750/000 and platinum 900/000 with an excellent milk opal cabochon 16,5 x 12 mm, with vivid play of colours, one brilliant-cut diamond 0,10 ct W/SI and 41 old-cut diamonds, tog

NO RESERVE - A BLACK OPAL AND DIAMOND PENDANT NECKLACE, CIRCA 1910, Made in 15 carat yellow gold, platinum and 18 carat yellow gold, the chain later added, Oval cabochon black opal, weighing approxima

Crafted in platinum and 18K gold; set with a trapezoid cabochon-cut black opal, measuring approximately 12.40 x 9.30 x 4.65 mm; lozenge-shaped sapphire, weighing approximately 2.60 carats; accented by

Opal, Diamond, Platinum, White Gold Pendant-Necklace  The pendant features an oval-sh

Platinum diamond and opal pendant necklace. The pendant is fashioned of two marquise cut diamonds and a single round cut diamond attached by a ring to a kite shaped opal (broken). Measures 1 1/4" in l

OPAL AND DIAMOND NECKLACE, 1996 The pear-shaped opal cabochon within a surround of brilliant-cut diamonds, suspended from a similarly-cut diamond surmount, UK import mark, lengths: pendant 2.3cm, chai

OPAL AND DIAMOND NECKLACE Containing 43 oval cabochon opals measuring approximately 6.70 x 4.80 mm and 172 round brilliant cut diamonds weighing approximately 0.35 carat total. Mounted in gilt sterlin

YELLOW GOLD, OPAL AND DIAMOND NECKLACE Containing one oval cabochon opal measuring approximately 15.50 x 10.75 x 4.40 mm and 23 round brilliant cut diamonds weighing approximately 0.85 carat total. 15

Opal, Diamond, Platinum Ring The ring features an oval-shaped opal cabochon measuring 19.4

Black Opal, Diamond, Platinum, Gold Ring The ring features an oval-shaped black opal caboc

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

Black Opal, Diamond, Platinum Ring, Ayres The ring features a pear-shaped black opal caboc

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

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

A platinum opal and diamond ring. The opal cabochon, with pave-set diamond shoulders. Approximate diameter of opal 10mms. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham. Ring size N 1

4.00ct Fire Opal, 0.40ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts an approximately 4.00ct fire opal cabochon which displays a beautif

An opal and diamond necklace. Designed as a series of oval opal cabochons, with similarly-cut opal and brilliant-cut diamond triple spacers. Estimated total diamond weight 2.75cts. Length 44cms. Weigh

14k stamped yellow gold necklace. Center section with eight oval cut opal cabochons accented by fourteen 1.5 point each round diamonds. Total diamond weight .21 carats. One opal with hairline crack an

DESCRIPTION: An antique black opal pendant necklace. Features a 16-18 Carat Opal, further completed with diamond set platinum bow in a 14kt yellow gold setting. Complete with a 14kt yellow gold box ch

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.

Opal, diamond and platinum ring Centering (1) oval opal cabochon, measuring approximately 19 X 13 mm, flanked by (4) full-cut diamonds, weighing a total of approximately 0.10 ct., set in a platinum mo

This is an antique 14K gold pendant necklace dating to the early 20th century. The pendant features a large prong set opal cabochon with vibrant green, blue, and red fire. Accented by three full cut d