Results for “black onyx”

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7 - 8" BRACELET NATURAL BLACK ONYX BEADS ROSE GOLD OVER SOLID 925 SILVER: These are natural, earth mined and hand crafted with precision. Stone: Onyx, Stone Shape: Carved Rondelle, Stone Size: 7 - 9mm, Width - 5 - 6.5mm, Length: 7 - 8", Weight: approx. 96 carats. The photog

Apr 25, 2026

7 - 8" BRACELET NATURAL BLACK ONYX BEADS ROSE GOLD OVER SOLID 925 SILVER

Designers Theme

Est. $20-$50

12.95 Ct Natural Black Onyx Hexagon Cut: Weight - 12.95 Ct / Size - 17.70 x 15.50 x 7.90 mm / Shape - hexagon Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

Apr 30, 2026

12.95 Ct Natural Black Onyx Hexagon Cut

Est. $75-$150

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

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

2.95 Ct Natural Black Onyx Pear Checkerboard Cut: Weight - 2.95 Ct / Dimensions - 11.60 x 8.00 x 3.70 mm / Shape - Pear Cut / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

Apr 27, 2026

2.95 Ct Natural Black Onyx Pear Checkerboard Cut

Est. $100-$200

7.79 Ct Natural Black Onyx Drilled Oval Cab: Weight - 7.79 Ct / Dimensions - 21.00 x 17.00 x 12.00 mm / Shape - Drilled Oval Cab / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

May 04, 2026

7.79 Ct Natural Black Onyx Drilled Oval Cab

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

2.89 Ct Natural Black Onyx Pear Checkerboard Cut: Weight - 2.89 Ct / Size - 11.70 x 7.60 x 3.90 mm / Shape - Pear Cut / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

May 04, 2026

2.89 Ct Natural Black Onyx Pear Checkerboard Cut

Est. $75-$150

11.96 Ct Natural Black Onyx Trillion Cut: Weight - 11.96 Ct / Dimensions - 17.00 x 16.90 x 7.90 mm / Shape - Trillion Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

Apr 23, 2026

11.96 Ct Natural Black Onyx Trillion Cut

Est. $75-$150

13.40 Ct Natural Black Onyx Fancy Pear Drop: Weight - 13.40 Ct / Dimensions -20.40 x 10.30 x 10.30 mm / Shape - Fancy Pear Drop / Clarity - Opaque / Origin - Brazil / Comments - None

Apr 27, 2026

13.40 Ct Natural Black Onyx Fancy Pear Drop

Est. $100-$200

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

14.48 Ct Natura Black Onyx Pear Cut Pair: Weight - 14.48 Ct / Size - 16.20 x 12.00 x 4.90 mm / 2 Pc's / Shape - Pear Cut / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

May 01, 2026

14.48 Ct Natura Black Onyx Pear Cut Pair

Est. $75-$150

4.30 Ct Natural Black Onyx Pear Cut: Weight - 4.30 Ct / Size - 13.90 x 9.70 x 3.90 mm / Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

Apr 30, 2026

4.30 Ct Natural Black Onyx Pear Cut

Est. $75-$150

8.50 Ct Natural Black Onyx Pear Cut: Weight - 8.50 Ct / Size - 16.20 x 12.00 x 5.60 mm / Shape - Pear Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

May 04, 2026

8.50 Ct Natural Black Onyx Pear Cut

Est. $75-$150

12.18 Ct Natural Black Onyx Cushion Cab: Weight - 12.18 Ct / Size - 27.00 x 17.90 x 2.60 mm / Shape - Cushion Cab / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

May 01, 2026

12.18 Ct Natural Black Onyx Cushion Cab

Est. $75-$150

13.46 Ct Natural Black Onyx Cushion Cab: Weight - 13.46 Ct / Size - 26.00 x 8.00 x 3.00 mm / Shape - Cushion Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

Apr 27, 2026

13.46 Ct Natural Black Onyx Cushion Cab

Est. $100-$200

28.54 Ct Natura Black Onyx Pear Cut Pair: Weight - 28.54 Ct / Size - 18.40 x 18.10 x 7.90 mm / 2 Pc's / Shape - Pear Cut / Color - Black / Clarity - OPaque / Origin - Africa / Treatment - None

May 01, 2026

28.54 Ct Natura Black Onyx Pear Cut Pair

Est. $75-$150

10.05 Ct Natural Black Onyx Round Cut Pair: Weight - 10.05 Ct / Size - 10.20 x 10.20 x 7.20 mm / 2 PC's / Shape - Round Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

May 01, 2026

10.05 Ct Natural Black Onyx Round Cut Pair

Est. $75-$150

10.31 Ct Natural Black Onyx Pear Drop: Weight - 10.31 Ct / Dimensions - 20.10 x 9.60 x 9.60 mm / Shape - Pear Drop / Clarity - Opaque / Origin - Brazil / Comments - None

May 01, 2026

10.31 Ct Natural Black Onyx Pear Drop

Est. $75-$150

12.59 Ct Natural Black Onyx Trillion Cut: Weight - 12.59 Ct / Size - 17.20 x 16.60 x 8.30 mm / Shape - Trillion Cut / Clarity - Opaque / Origin - Brazil / Treatment - None

Apr 30, 2026

12.59 Ct Natural Black Onyx Trillion Cut

Est. $75-$150

14k White Gold Filigree Ring with Black Onyx and Old Mine Cut Diamond: 14k White Gold Filigree Ring with Black Onyx and Old Mine Cut Diamond This antique cocktail ring features a rectangular black onyx stone, accented by an old mine cut natural diamond, all set in solid

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14k White Gold Filigree Ring with Black Onyx and Old Mine Cut Diamond

14.87 Ct Natural Black Onyx Pear Cut: Weight - 14.87 Ct / Dimensions -18.70 x 18.50 x 7.90 mm / Shape - Pear Cut / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None

Apr 23, 2026

14.87 Ct Natural Black Onyx Pear Cut

Est. $75-$150

Artcarved 14k Gold Vintage UT School Signet Ring with Black Onyx: Artcarved 14k Gold Vintage UT School Signet Ring with Black Onyx This vintage Artcarved signet ring features a beautifully carved natural black onyx stone, set in solid 14k yellow gold. The ring showc

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Artcarved 14k Gold Vintage UT School Signet Ring with Black Onyx

15.56 Ct Natural Black Onyx Fancy Cab: Weight - 15.56 Ct / Size - 30.00 x 14.30 x 5.00 mm / Shape - Fancy Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

May 04, 2026

15.56 Ct Natural Black Onyx Fancy Cab

Est. $75-$150

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