Black Onyx & Diamond Ring 18Kt.

Greek Iconic Ring.Natural Jet Black Onyx, Sapphire Diamonds ring..15ct Natural Cabochon Blue Sapphire..30ct. Diamonds G-color Vs-2 clarity.Gorgeous Carved German Onyx Inlay 18kt. yellow gold 5.7 grams

Brutalist Design Gold, Black Onyx, and Diamond Ringring set with black onyx stones surrounded by full cut round diamond accents weighing approximately .09 total carat, testing 18KT. 15.2mm; Ring size

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.

Art Deco style, center emerald cut black onyx approx. 7.25 x 5.5mm, calibre cut black onyx, 22 round brilliant diamonds estimated total weight 0.46ct., stamped "750, 17518, 9", 18kt. yellow gold, size

Antique 18K white gold ring with a spinning .65 carat European cut diamond (K color, SI clarity), set in black onyx. Size 7.5

Cartier Panther Style ring with apx 6TCW VS/F diamonds and black Onyx. It is hallmarked 750 for 18kt gold. Width of the ring is 13mm. Size: 6.5 Similar Cartier Panther ring sells for over $20000

Estate Italian 18kt Yellow Gold Diamond Onyx Gargoyle Ring. Unique ring set with black onyx and four round cut white diamonds as the eyes of two gargoyles / satyrs. Ring size 6, can be resized. Weighs

14Kt Yellow Gold Black Onyx & Diamond Ring. Ring has Black Onyx Gemstone with one Diamond. Ring size: 10.50. Total weight: 9.70 Grams. Diamond weight approx 0.50ct.

14k White Gold & Platinum Gram Weight: 6.6 Art Deco Black Onyx & Diamond Ring Size: 6.5

14k gold with black onyx and diamond ring. This ring is a handmade piece and is designed with a massive oval black onyx stone set in the center of the mounting that is surrounded by pave diamonds with

14Kt Yellow Gold Black Onyx & Diamond Ring. Ring has Nugget Design with Black Onyx Gemstone & a Diamond in one corner. Ring size: 9.50. Total weight: 7.40 Grams.

Circa 1890 18K Yellow Gold Mounted Ring, with navette shaped black onyx stone and round faceted diamond, size 7 1/2, 3.2 dwt tw.

18k yellow gold black onyx and diamond ring, twenty-eight diamonds, 15 mm across the top, stamped 750, ring size 7.25.

10Kt Yellow Gold Black Onyx & Diamond Ring. Ring has Black Onyx & 3 round Diamonds. Ring size: 7.25. Total weight: 7.80 Grams.

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 14kt Black Onyx Diamond Ring, Sz 5.5., Filigree White gold with a bezel-set flush mounted onyx that is appx. 17mm by 12mm and set in the center is a 1.5mm diamond set with six prongs in a six-

A Russian Soviet-era 14K yellow gold ring with black onyx. Black onyx inset and a diamond garnish the crown. The ring is decorated with pierced ornaments. The hallmark of 585 gold standards, the SYuZ

14Kt Yellow Gold Black Onyx & Diamond Ring. Ring has one Cut Black Onyx & 12 round Diamonds. Ring size: 8.50. Total weight: 4.20 Grams.

14Kt Yellow Gold Black Onyx & Diamond Ring. Ring has one Black Onyx Gemstone with one Diamond on the center. Ring size: 10.25. Total weight: 4.70 Grams.

ANTIQUE 10K YELLOW GOLD BLACK ONYX DIAMOND RING This is a beautiful antique Victorian 10K yellow gold onyx ring with a diamond tube set in the center. The ring top is 3/4" x 1/2". The ring is a size 7

10Kt Yellow Gold Black Onyx & Diamond Ring. Ring has Black Onyx Gesmtone with one Diamonds to the sides. Ring size: 9.50. Total weight: 4.30 Grams.

10kt Yellow Gold Black Onyx & Diamond Ring. Ring has Black Onyx With one Diamond. Ring size: 7.75. Total weight: 5.30 Grams.

Estate 14kt Yellow Gold Black Onyx & Diamond Ring. Hallmarked. Ring size 6.5, can be resized. Weighs approximately 5.5 grams inclusive.

14K White Gold, Black Onyx & Diamond Ring. Condition: Excellent Condition. Dimensions: Ring Size- 7.5. Total Weight: 1.8g./.1.1dwt. Provenance: From a North Shore Long Island, NY Estate. Please note t