







Black Opal and Onyx Engagement Ring | Statement Ring for Women | Luxury Gift for Her
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Make a bold statement with this elegant Black Opal and Onyx Engagement Ring, designed for women who love unique and meaningful jewelry. It features a stunning 8x6 mm oval-cut black opal (approx. 1.2 carats) with vibrant flashes of color. Enhanced with onyx accents, the ring offers a striking contrast and modern appeal. Crafted in 925 sterling silver with rose gold filled and yellow gold filled options, it combines durability with a luxurious finish. Lightweight at 2.7 grams and available in US sizes 4–10, it ensures comfort and a perfect fit. Ideal as an alternative engagement ring, statement piece, or luxury gift for her, this ring blends elegance, symbolism, and timeless style.
PRODUCT DETAILS
SHIPPING & RETURNS
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You can return your product up to 14 days after receiving your order. Please make sure that the products are not worn, washed or damaged.
GEMSTONE
✕-
Amethyst Engagement Ring...
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Amethyst Onyx Engagement...
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Aquamarine Emerald Engagement...
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Aquamarine Pink Tourmaline...
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Black Opal and...
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Black Opal Emerald...
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Blue Opal and...
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Blue Opal Emerald...
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Blue Sapphire and...
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Blue Sapphire Engagement...
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Classic Ruby Engagement...
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Elegant Pink Tourmaline...
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Emerald & Cubic...
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Emerald Engagement Ring...
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Emerald Ruby Engagement...
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Lavender Opal Amethyst...
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Lavender Opal Onyx...
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Moonstone & Onyx...
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Moonstone Blue Sapphire...
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Pink Tourmaline Onyx...
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Ruby Blue Sapphire...
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White Opal Engagement...
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White Opal Pink...
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Yellow Sapphire &...
MATERIAL
✕
Yellow Gold Filled
Rose Gold Filled
925 Sterling Silver
Rings Size Guide
✕Use this guide to find your perfect Rings length.
Ring Size Chart
At GoodStone, we use US and Canadian ring sizes.
| Diameter (mm) | Goodstone Size (US & Canada) | Europe | UK & Australia |
|---|---|---|---|
| 14.1 | 3 | 46 | F |
| 14.9 | 4 | 48 | H |
| 15.7 | 5 | 50 | J |
| 16.5 | 6 | 52 | L |
| 17.3 | 7 | 54 | N |
| 18.1 | 8 | 57 | P |
| 18.9 | 9 | 60 | R |
| 19.8 | 10 | 62 | T |
| 20.6 | 11 | 64 | V |
| 21.4 | 12 | 67 | X |
| 22.2 | 13 | 70 | Z |
Choose options








GEMSTONE
✕-
Amethyst Engagement Ring...
-
Amethyst Onyx Engagement...
-
Aquamarine Emerald Engagement...
-
Aquamarine Pink Tourmaline...
-
Black Opal and...
-
Black Opal Emerald...
-
Blue Opal and...
-
Blue Opal Emerald...
-
Blue Sapphire and...
-
Blue Sapphire Engagement...
-
Classic Ruby Engagement...
-
Elegant Pink Tourmaline...
-
Emerald & Cubic...
-
Emerald Engagement Ring...
-
Emerald Ruby Engagement...
-
Lavender Opal Amethyst...
-
Lavender Opal Onyx...
-
Moonstone & Onyx...
-
Moonstone Blue Sapphire...
-
Pink Tourmaline Onyx...
-
Ruby Blue Sapphire...
-
White Opal Engagement...
-
White Opal Pink...
-
Yellow Sapphire &...
MATERIAL
✕
Yellow Gold Filled
Rose Gold Filled
925 Sterling Silver
Rings Size Guide
✕Use this guide to find your perfect Rings length.
Ring Size Chart
At GoodStone, we use US and Canadian ring sizes.
| Diameter (mm) | Goodstone Size (US & Canada) | Europe | UK & Australia |
|---|---|---|---|
| 14.1 | 3 | 46 | F |
| 14.9 | 4 | 48 | H |
| 15.7 | 5 | 50 | J |
| 16.5 | 6 | 52 | L |
| 17.3 | 7 | 54 | N |
| 18.1 | 8 | 57 | P |
| 18.9 | 9 | 60 | R |
| 19.8 | 10 | 62 | T |
| 20.6 | 11 | 64 | V |
| 21.4 | 12 | 67 | X |
| 22.2 | 13 | 70 | Z |








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