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Emerald Black Diamond Ring
Free Estimated delivery: February 18
Crafted in 18k gold, Cathedral is a solitaire ring available in white, yellow, or rose. This model features a natural black diamond, emerald shape in AAA quality.
Made to order in our workshop, this ring can be customized with your preferred size and engraving. Our ring size guide is available to help you choose the right fit.
Every ring includes a Gemnat certificate attesting to the authenticity of the materials used.
Cathedral | Emerald Black Diamond Ring
18k White Gold / 0.75 ct
$1,580 USD
Every GEMNAT Jewelry comes with a Certificate of Authenticity mentioning all the characteristics.
Each jewelry is distinctively engraved with '750' to guarantee its 18-karat gold composition.
Delivery is free and the estimated is within 2-3 weeks, as each piece is custom-made to order. Therefore, please note that delivery time may vary by a few days.
- Shipping: Enjoy free worldwide shipping.
Need your jewelry earlier than the estimated delivery?
Contact us and we’ll check with our atelier what can be arranged. - Returns: If your piece isn’t quite right, return it unworn, unaltered and in its original packaging within 30 days for a refund to your original payment method. Refunds are processed within 7-10 days.
Please Note:
- Custom orders, items purchased with discounts (excluding welcome offers), and exchanged items are final sales and cannot be refunded.
- Any returned items that are worn, damaged, or altered will not be accepted.
- Changes to an order make it final.
- Return shipping costs are your responsibility.
At GEMNAT, we are committed to responsible sourcing and ethical practices.
Our gemstones are carefully selected to ensure they are conflict-free. We partner with suppliers who adhere to strict standards to promote safe, environmentally friendly, and socially responsible mining.
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Cathedral
Emerald Black Diamond Ring
Free Estimated delivery: February 18

Our Black Diamonds
Mysterious and bold, our black diamonds are 100% natural and hand-selected by our in-house gem experts. Each stone is chosen for its rich, opaque color and dramatic depth, bringing a distinctive character to your jewelry.
At GEMNAT, our roots as a family of gemstone dealers ensure that every black diamond meets our standards of authenticity and beauty. These stones offer a modern twist on traditional diamond jewelry, often chosen for their uniqueness and strength of presence.
Black diamonds aren’t tied to a specific birth month, but they are increasingly cherished as meaningful symbols of individuality, resilience, and unconventional love.



























