Aquamarine, black onyx, and diamond ring

Cabochon multi-gem and diamond bombe ring Cabochon citrine, amethyst, mother-of-pearl, black onyx, chalcedony, coral, and aquamarine, round brilliant-cut diamonds approx. 0.20 ct TW 14k yellow and whi

Black onyx with diamond in a 10K yellow gold setting; unique antique 10K setting with a blue aquamarine; fancy 10K setting with onyx ; 10K channel set emerald band.

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

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

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

14KT YELLOW GOLD, BLACK ONYX & DIAMOND RING, SIZE 7:A black onyx accented by two panels of diamonds in a 14kt yellow gold setting. Weighing approximately 7.0 grams. For a high resolution photo

10k Gold Oval Black Onyx & Diamond Ring. Size- 5 1/2. Total Weight- 5.9 grms. Good Condition

10K White Gold Black Onyx Diamond Ring Size 8.5. Marked: 10K ; size 3/4 in. x 5/8 in.

10K yellow gold setting with a black onyx tablet centered with a small accent diamond, ring size 8, 2.2 dwt