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Black Onyx, a symbol of confidence, protection, and power, has been revered since ancient times. Known for its deep, jet-black luster, this gemstone has been widely used in signet rings, engraved jewelry, and statement pieces. Believed to ward off negativity and enhance mental clarity, black onyx remains a classic gemstone for both men’s and women’s fine jewelry.
Our round cabochon onyx gemstones are hand-polished, precision-cut, and calibrated to ensure seamless settings in rings, earrings, bracelets, and pendants. The smooth, mirror-like finish of these cabochons makes them an ideal choice for both contemporary and vintage-inspired jewelry.
Type | Color | Size (MM) | Cut | Treatment |
---|---|---|---|---|
Natural Onyx | Jet Black | 3 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 4 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 5 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 6 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 7 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 8 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 9 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 10 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 11 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 12 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 13 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 14 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 15 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 16 mm | Standard Cabochon | Dyed |
✔ Symbol of Strength & Protection – Worn for confidence, grounding, and emotional resilience.
✔ Deep, Polished Jet Black Hue – A smooth, mirror-like surface that radiates elegance and power.
✔ Ideal for Men’s & Women’s Jewelry – A classic choice for signet rings, sophisticated pendants, and stud earrings.
✔ Hand-Polished & Calibrated for Precision – Ensures uniform sizing and a flawless finish.
✔ Perfect for Engraving & Intaglio Work – Frequently used in custom, vintage, and bespoke jewelry designs.
✔ Custom Matching Service – Let our experts hand-select matching gemstones based on size and color preferences.
✔ How to Request a Match: Add "Match for Size & Color" in the special instructions at checkout.
⚠ Note: Custom-matching services do not qualify for quantity discounts.
💎 Bring timeless elegance and strength to your jewelry collection with the bold sophistication of black onyx! 💎
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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Black Onyx, a symbol of confidence, protection, and power, has been revered since ancient times. Known for its deep, jet-black luster, this gemstone has been widely used in signet rings, engraved jewelry, and statement pieces. Believed to ward off negativity and enhance mental clarity, black onyx remains a classic gemstone for both men’s and women’s fine jewelry.
Our round cabochon onyx gemstones are hand-polished, precision-cut, and calibrated to ensure seamless settings in rings, earrings, bracelets, and pendants. The smooth, mirror-like finish of these cabochons makes them an ideal choice for both contemporary and vintage-inspired jewelry.
Type | Color | Size (MM) | Cut | Treatment |
---|---|---|---|---|
Natural Onyx | Jet Black | 3 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 4 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 5 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 6 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 7 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 8 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 9 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 10 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 11 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 12 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 13 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 14 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 15 mm | Standard Cabochon | Dyed |
Natural Onyx | Jet Black | 16 mm | Standard Cabochon | Dyed |
✔ Symbol of Strength & Protection – Worn for confidence, grounding, and emotional resilience.
✔ Deep, Polished Jet Black Hue – A smooth, mirror-like surface that radiates elegance and power.
✔ Ideal for Men’s & Women’s Jewelry – A classic choice for signet rings, sophisticated pendants, and stud earrings.
✔ Hand-Polished & Calibrated for Precision – Ensures uniform sizing and a flawless finish.
✔ Perfect for Engraving & Intaglio Work – Frequently used in custom, vintage, and bespoke jewelry designs.
✔ Custom Matching Service – Let our experts hand-select matching gemstones based on size and color preferences.
✔ How to Request a Match: Add "Match for Size & Color" in the special instructions at checkout.
⚠ Note: Custom-matching services do not qualify for quantity discounts.
💎 Bring timeless elegance and strength to your jewelry collection with the bold sophistication of black onyx! 💎
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