Results for “black onyx”

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18K YELLOW GOLD AND ONYX RING: After BVLGARI. Gold and onyx ring having a circular black onyx disc set in 18k yellow gold. Marked "BVLGARI" to setting and "750 / Omega I 36" to inside of band.

Apr 23, 2026

18K YELLOW GOLD AND ONYX RING

Ahlers & Ogletree Auction Gallery

Est. $1,200-$1,500

26.89 Ct Natural Black Onyx Hexagon Carving Pair: Weight - 26.89 Ct / Dimensions - 20.40 x 18.10 x 5.00 mm / 2 Pc's / Shape - Hexagon Carving cab / Clarity - Opaque / Origin - Brazil / Comments - None

May 01, 2026

26.89 Ct Natural Black Onyx Hexagon Carving Pair

Est. $100-$200

12.80 Ct Natural Black Onyx Hexagon Cut: Weight - 12.80 Ct / Dimensions -18.40 x 16.10 x 7.80 mm / Shape - Hexagon Cut / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

Apr 23, 2026

12.80 Ct Natural Black Onyx Hexagon Cut

Est. $75-$150

11.61 Ct Natural Black Onyx Trillion Cut: Weight - 11.61 Ct / Dimensions -17.00 x 16.40 x 8.00 mm / Shape - Trillion Cut / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

Apr 23, 2026

11.61 Ct Natural Black Onyx Trillion Cut

Est. $75-$150

16.04 Ct Natural Black Onyx Pear Cut Pair: Weight - 16.04 Ct / Dimensions -16.20 x 12.10 x 5.10 mm / 2 Pc's / Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Comments - None

May 01, 2026

16.04 Ct Natural Black Onyx Pear Cut Pair

Est. $75-$150

5.31 Ct Natural Black Onyx Pear Cut: Weight - 5.31 Ct / Dimensions - 14.00 x 10.00 x 4.70 mm / Shape - Pear cut / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

Apr 23, 2026

5.31 Ct Natural Black Onyx Pear Cut

Est. $75-$150

6.88 Ct Natural Black Onyx Pear Drop: Weight - 6.88 Ct / Dimensions - 12.30 x 7.70 x 7.70 mm / Shape - Pear Drop / Clarity - Opaque / Origin - Brazil / Treatment - None

Apr 30, 2026

6.88 Ct Natural Black Onyx Pear Drop

Est. $75-$150

14.14 Ct Natural Black Onyx Pear Drop Pair: Weight - 14.14 Ct / Dimensions - 11.30 x 8.10 x 8.10 mm / 2 Pc's / Shape - Pear Drop / Clarity - Opaque / Origin - Brazil / Comments - None

May 01, 2026

14.14 Ct Natural Black Onyx Pear Drop Pair

Est. $75-$150

Kimber Special Edition Onyx Ultra II 9mm Pistol: Description Kimber Special Edition Onyx Ultra II in 9mm with one, eight round removable magazine and a 3.15" barrel. Serrated white Serrated black composite grip plates. KimPro II Silver Finished allo

Apr 25, 2026

Kimber Special Edition Onyx Ultra II 9mm Pistol

Connecticut Firearms Auction

Est. $600-$1,200

9.85 Ct Natural Black Onyx PeaR Drop: Weight - 9.85 Ct / Dimensions -17.20 x 9.60 x 9.60 mm / Shape - Pear Drop / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

Apr 23, 2026

9.85 Ct Natural Black Onyx PeaR Drop

Est. $75-$150

10.14 Ct Natural Black Onyx Pear Briolette: Weight - 10.14 Ct / Dimensions - 19.10 x 9.70 mm / Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Comments - None

May 04, 2026

10.14 Ct Natural Black Onyx Pear Briolette

Est. $75-$150

15.72 Ct Natural Black Onyx Trillion Cut: Weight - 15.72 Ct / Dimensions - 19.00 x 18.70 x 8.50 mm / Shape - Trillion Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

Apr 27, 2026

15.72 Ct Natural Black Onyx Trillion Cut

Est. $100-$200

14.24 Ct Natural Black Onyx Round Cut: Weight - 14.24 Ct / Size - 17.10 x 17.10 x 8.40 mm / Shape - Round Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

Apr 30, 2026

14.24 Ct Natural Black Onyx Round Cut

Est. $75-$150

Vintage 21k Yellow Gold Black Onyx Grape Vine Ring: Vintage 21k Yellow Gold Black Onyx Grape Vine Ring This vintage cocktail ring showcases a stunning black onyx stone, expertly set in a heavy textured band crafted from yellow gold. The square-cut onyx

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Vintage 21k Yellow Gold Black Onyx Grape Vine Ring

$2,410(13 bids)

4.10 Ct Natural Black Onyx Round Cut: Weight - 4.10 Ct / Dimensions - 9.90 x 9.90 x 6.70 mm / Shape - Round Cut / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

May 04, 2026

4.10 Ct Natural Black Onyx Round Cut

Est. $75-$150

14.24 Ct Natural Black Onyx Round Cut Set: Weight - 14.24 Ct / Size - 10.00 - 10.10 mm / 3 PC's / Shape - Round Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

May 01, 2026

14.24 Ct Natural Black Onyx Round Cut Set

Est. $75-$150

2.57 Ct Natural Black Onyx Round Cut: Weight - 2.57 Ct / Size - 8.10 x 8.10 x 5.30 mm / Shape - Round Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

Apr 30, 2026

2.57 Ct Natural Black Onyx Round Cut

Est. $75-$150

7.28 Ct Natural Black Onyx PeaR Drop: Weight - 7.28 Ct / Dimensions -11.30 x 8.10 x 8.10 mm / Shape - Pear Drop / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

Apr 23, 2026

7.28 Ct Natural Black Onyx PeaR Drop

Est. $75-$150

13.20 Ct Natural Black Onyx Hexagon Cut: Weight - 13.20 Ct / Size - 18.30 x 16.20 x 7.70 mm / Shape - Hexagon Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

Apr 30, 2026

13.20 Ct Natural Black Onyx Hexagon Cut

Est. $75-$150

12.62 Ct Natural Black Onyx Pear Cut: Weight - 12.62 Ct / Size - 17.60 x 17.40 x 7.50 mm / Shape - Pear cut / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

Apr 23, 2026

12.62 Ct Natural Black Onyx Pear Cut

Est. $75-$150

Handcrafted Sterling Silver Black Onyx Cabochon Bolo Tie with Leather Cord: Handcrafted Sterling Silver Black Onyx Cabochon Bolo Tie with Leather Cord This vintage bolo tie features a handmade design crafted from sterling silver and black leather. The centerpiece is an oval c

3 days Left

Handcrafted Sterling Silver Black Onyx Cabochon Bolo Tie with Leather Cord

Est. $351-$456

7.37 Ct Natural Black Onyx Pear Drop: Weight - 7.37 Ct / Size - 11.40 x 8.10 x 8.10 mm / Shape - Pear Drop / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

May 04, 2026

7.37 Ct Natural Black Onyx Pear Drop

Est. $75-$150

17.18 Ct Natural Black Onyx Fancy Cut: Weight - 17.18 Ct / Size - 32.00 x 14.90 x 4.90 mm / Shape - Fancy Cut / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

Apr 27, 2026

17.18 Ct Natural Black Onyx Fancy Cut

Est. $100-$200

8.72 Ct Natural Black Onyx Pear Cut Pair: Weight - 8.72 Ct / Dimensions - 13.70 x 9.60 x 4.30 mm / 2 Pc's / Shape - Pear Cut / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

May 01, 2026

8.72 Ct Natural Black Onyx Pear Cut Pair

Est. $75-$150

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