Vintage Large 18k Gold Black Onyx Intaglio .75 ctw Round Diamond Hexagon Earring

A large black onyx center stone (approx 10mm) that is surrounded by 26 round brilliant cut diamonds (approx .75 ctw). It is set in 14K yellow gold and has an expandable spring engaged band that easily

Vintage Round Brilliant Cut Diamond, Black Onyx and 18 Karat Yellow Gold Clip Back Earrings. Diamonds G-H color, VS1-VS2 clarity. Stamped 18K. Measure 1-1/8" H, 1-1/8" W. Approx. weight: 27.4 dwt. Con

18K yellow gold enhancer featuring 24 full cut diamonds weighing approx. 1.25 ctw set in prongs down the center of the textured gold set in large flat round black onyx disc, 2.5 in. W, 40.1 grams

VK UROO VHERNIER 18 karat Yellow Gold Black Onyx Diamond Button Earrings A pair of vintage Vhernier earrings made of 18 karat yellow gold with diamond and black onyx. The button vintage earrings featu

Vintage 18K Yellow Gold Mounted Black Onyx Cross Pendant, the tubular cross with gold caps on each arm, and a central "X" mounted with 13 five point round diamonds, with an 18K yellow gold bail, Total

18K yellow gold black onyx ring featuring two stripes set with round cut diamonds, approx. 1.25 ctw, spring insert, sz. 7.5, 19.2 grams

An 18K Yellow Gold Intaglio Bangle An 18K yellow gold textured bangle centering a bezel-set black onyx intaglio cameo and accented by forty-two round brilliant-cut diamonds. Diamonds are near colorles

Vintage 18KT white gold ring with (3) round diamonds set in black onyx. Onyx measures 21 x 10 MM. Ornate filigree mounting. Size 6.5, weighs 5.3 grams.

Ladies' 18K yellow gold clip-back earrings by Wander France featuring 2 frame style black onyx accented by 26 round brilliant diamonds approximately 0.78 carats, Clarity-VS2, Color-G. The earrings are

3.20ctw VS2-SI1/G-H Diamond, Faceted Black Onyx & Solid 18K White Gold 1.75" Inside Out Hoop Earrings - These lovely hoop earrings were finely crafted of solid 18k white gold and are lined with approx

18K White Gold Link Necklace, each of the seventy-two round links mounted with two horizontal round diamonds, transitioning to four large black onyx links, joined by bands of four round diamond mounte

Pair of Diamond, Black Onyx, 18k Yellow Gold Ear Clips. Each featuring one "V" shaped black onyx segment, accented by round brilliant-cut diamonds weighing a total of approximately 2.25 cttw., set in

Vintage Italian Large and Heavy 14 Karat Yellow Gold, Pave Set Round Brilliant Cut Diamond and Black Onyx Pendant Necklace. Diamonds E-F color, VS clarity. Signed 585 14 and Maker's Mark, appears to b

METAL: 18K gold. GEMSTONES: old mine cut diamonds- approx. 4.00-4.20ctw, black onyx (some stone slightly chipped). MEASUREMENTS: earrings are 20mm in diameter. TESTED: 18K. WEIGHT: 8.8 grams. Gemstone

David Webb Diamond, Enamel, Platinum, 18k Yellow Gold Bracelet. Featuring round brilliant-cut diamonds weighing a total of approximately 4.75 cttw., accented by black enamel, set in an art deco style

Pair of Ruby, Diamond, 18k Gold Earrings. Each centers four round-cut rubies weighing a total of approximately 0.75 cttw., accented by thirty-one full-cut diamonds weighing a total of approximately 0.

DAVID WEBB, DIAMOND AND ONYX EARRINGS Round brilliant cut diamonds weighing approximately 1.50 carats and black onyx. Yellow gold and platinum. 1 inch long. Stamp: DAVID WEBB 18K 900 PLAT HS433. Earri

Platinum open circle pin featuring old European and round cut diamonds, weighing approx. 2.00 ctw, and French cut black onyx, milgrain edge, 18K safety catch, 1.25 in. diameter, 5.8 grams Provenance:

Vintage Pave Set Round Cut Diamond, Oval Cut Emerald, Black Onyx and 18 Karat Yellow Gold Brooch. Signed 18K. Two (2) small chips to onyx otherwise good condition. Measures 2-7/8" L, 3/4" W. Approx. w

Vintage 18K white gold diamond and pearl drop screw back post earrings, comprise of four 8mm cultured pearls with good luster and two round brilliant-cut diamonds, approx: 0.50 cttw., color: H-I, clar

Vintage 18K yellow gold pave diamond bar cufflinks, set with 72 round brilliant-cut diamonds; approx: 0.72 cttw., color: F-G, clarity: VS, marked: "18K" with maker's mark. 0.75"L x 0.43"W x 0.87"H. Ap

Vintage 18K yellow gold pave diamond bar cufflinks, set with 72 round brilliant-cut diamonds; approx: 0.72 cttw., color: F-G, clarity: VS, marked "18K" with maker's mark. 0.75"L x 0.43"W x 0.87"H. App

18K yellow gold clip earrings featuring round cut rubies, weighing approx. 0.75 ctw, prong set in a leaf design with Florentine finish, signed with maker's mark featuring a K inside of a G, Omega clip

Pair of Fouts "Basic Couture" Ruby, Diamond, 18k Yellow Gold Earrings. Each featuring three round-cut rubies weighing a total of approximately 0.75 cttw., accented by two full-cut diamonds weighing a