Black Opal and Diamond Pin/Pendant

An important 14k yellow gold pin/pendant with bezel mounted Lightning Ridge Australian black opal, calf's head tourmaline and a round brilliant diamond, signed on back, tests for 14k gold. The majorit

An important 14k yellow gold pin/pendant with bezel mounted Lightning Ridge Australian black opal, calf's head tourmaline and a round brilliant diamond, signed on back, tests for 14k gold. The majorit

Arts and Crafts Black Opal, Diamond, Enamel, Gold Necklace, Marcus & Co. The necklace

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

Arts and Crafts Black Opal, Diamond, Enamel, Gold Necklace, Marcus & Co. The necklace

Fine Australian Black Opal & Diamond Pendant in 14K Yellow Gold includes 14K Gold Chain 11.25ctw * (estimate/approximately)

Stunning Art Nouveau Black Opal Diamond and Demantoid Garnet Necklace 14K Gold. Articulated pendent supporting two fancy-cut black opals, accented by old mine-cut diamonds and demantoid garnets. &bull

Art Deco Platinum Black Opal & Diamond Pendant. It features a drop design centrally set with a massive pear shaped black opal. It exhibits a harlequin peacock play-of-color and measures 31.00mm x 21.0

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

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

Ladies fine estate ring, a 14kt yellow gold, diamond and black opal ring containing: (12) Old Mine cut diamonds, approx 0.85ct tw, average clarity: SI2, color: J; (1) natural flat opal of oval form, a

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

18ct gold hallmarked black opal & diamond cluster ring: Outstanding ring supplied by Boodles, ring size T, 24 small but high grade diamonds. Opal measures 16mm x 11mm.

Vintage from the 1920s Ships from New York! Shorter shipping distances are kinder to the planet Ordering items closer to you is more likely to reduce your purchase's carbon footprint. Materials: Black

All pictures are real shot photography. You get what you see Ref:1219086 Gold Content:14K White Gold For people:Women Main Gemstone: Black Opal Number of Gemstone:1 Shape:Pear Carat Weight:12.2ct Colo

A un-treated black opal, diamond and eighteen karat bi-color gold ringdesigned as an oval cabochon black opal, measuring 14.49 x 12.65 x 6.51 mm, within pierced and millegrained round brilliant-cut di

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

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

A black opal, diamond and eighteen karat gold ringdesigned as an oval opal, measuring approximately 13.3 x 10.9 x 3.5 mm, within marquise and round brilliant-cut diamond mount; estimated total diamond

PGL Digital Appraisal Retail Replacement Value $13,995 Natural opal weighing 3.70 carats Natural Diamonds Carat Weight: 1.70Color Grade: H - I Clarity Grade: SI1 - SI2 Size 5.75 366869-2491 NOTE: PGL

An oval black opal with board blue/green color play, 12.10 x 9.20 mm, set horizontally in RBC diamond pave gallery, hoop, 1.65 cts. TW. 18k. Size 4 1/2. 4.0 dwt.

PGL Digital Appraisal Retail Replacement Value $10,740 Natural opal weighing 15.91 carats Natural Diamonds Carat Weight: .13Color Grade: H-I Clarity Grade: SI1-SI2 Size 6.75 370710-2151 NOTE: PGL Appr

Amazing 14Kt yellow gold ring with Round brilliant diamonds and Black Opal in the center. There are a total of 12 round brilliant diamonds. The diamonds are VS1-VS2 clarity, F-G color. The total weigh

Vintage Black Opal Mosaic Inlaid 14 Karat Yellow Gold with Approx. .12 Carat Round Brilliant Cut Diamond Cuff Bangle Bracelet. Opals with good play of color. Diamond F color, VS1 clarity. Stamped 14K.