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Passion
Round Black Diamond Ring
Free Estimated delivery: March 13
Crafted in 18k gold, Passion is a wedding ring available in white, yellow, or rose. This model features natural black diamonds, round shape in AAA quality. It is also set with natural diamonds of G - VS quality and round shape.
Each piece is handcrafted to order in our atelier, with personalization options for ring size and engraving. Please refer to our ring size guide to select your fit.
Every ring includes a Gemnat certificate attesting to the authenticity of the materials used.
Passion | Round Black Diamond Ring
18k White Gold / 0.14 ct
$810 USD
JEWELRY CERTIFICATE
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.
SHIPPING & RETURNS
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.
CONFLICT FREE GEMSTONE
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.
Choose options
Passion
Round Black Diamond Ring
Free Estimated delivery: March 13
Satisfied or refunded
FREE DELIVERY WORLWIDE
CERTIFICATE OF AUTHENTICITY
100% NATURAL GEMS
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.
More Round Black diamond Rings
What Customers Are Saying
User-friendly website and secure checkout.
Top notch. I've ordered from Gemnat twice and the product and the service level is always flawless.
Luxury Service + Quality
This was my first time buying fine jewelry online and I had zero clue what I was doing 😅. I picked out a morganite ring and was worried about how it would look in real life. When it arrived, I was completely blown away!! The stone sparkles more than I expected, the band is perfect, and the packaging is so elegant! The team even helped me with sizing questions via chat. I’m officially hooked on Gemnat!
This ring went beyond my expectations. Stunning and perfectly crafted.
she said YES!
This ring looked even more stunning in person, just like my now-fiancée. She said YES, shed a few happy tears, and hasn’t stopped admiring it since. We couldn’t be happier. Thank you, GEMNAT! The resizing process was also effortless, thanks to the convenient online chat support.
I AM ALWAYS IMPRESSED!!
This is my third purchase from Gemnat and I’m still amazed 😍. Each piece is gorgeous, shipping is fast, and their customer service is super friendly. Definitely my go-to for jewelry now!
Big selection at great prices
This is actually my 2nd time buying a diamond ring online and I wish I knew about this site for my first one too! Tons of options and such good prices. Seriously, how do I give them 6 stars?
This bracelet is so nicely made, the detail is awsome!!
They helped me resize super easy!! fast and nice!!
They could not have been more helpful and professional and we were amazed with the service. Happy to recommend anyone who’s considering diamonds online
They are ABSOLUTELY TRUSTWORTHY!!!
These earrings are so simple but legit sparkle like crazy. Perfect for everyday or when I wanna look fancy. Website was smooth, shipped fast. Obsessed.
There customer service is very very patient when I had a problem with resizing. The ring that I order was a bit smaller but no need to worry since they had it resized for me. Everything was SMOOTH. Will definitely order from this shop again for sure.
The website is so user-friendly. You can easily access everything you want from rings, bracelets, pendants and earrings even wedding rings. They even sort out the colour of stones for buyers. All the designs are super nice it even makes me had a hard time to choose what to buy but I really wanted a tennis bracelet during that time but would probably buy a ring for my girl next time. They are highly recommended!! Customer service was nice because I have to make some adjustments with the chain length and they were patient on every process. Fast replies. Thank you, GEMNAT!!!
The ring is gorgeous, just like in the pictures. Totally in love with it. 😍
The ring is amazing and service is great.
The quality of this ring is incredible, especially for the price. It truly exceeded all my expectations.
Exactly as Expected
The product is Excellent. Exactly what we ordered and expected.
The person I gave these to loved them! They look really nice.
The perfect ring for my bride-to-be—unique, beautiful, and just like her. Gemnat made the whole process really smooth.
The jewelry is beautifully made, with rings available in an impressive range of sizes. Shipping is fast and always tracked for peace of mind. They offer a wide selection of pieces at very competitive prices. I’ll definitely be back for more amazing jewelry.
The craftsmanship on this sapphire ring is outstanding! Feels delicate yet strong.
The craftsmanship is first rate and the service is impeccable. And the best part is the prices. You can get great quality of diamonds in cheaper price than on other websites
Tanzanite just hits different. The diamonds enhance it beautifully. The website photos were accurate. Came well packaged and secure.
Superb Professional Service
Super service, extremely professional, very efficient, extremely responsive, and punctual.
Super pretty, exactly what I wanted. Fits perfectly!
Such a gorgeous ring. The stone isn’t too big or small, just perfect.
Such a brilliant experience here.
Stunning ring! The band is just the right width and goes perfectly with my Morganite solitaire (also from Gemnat). Really appreciated the smooth ordering process and excellent customer service.
So pretty, got compliments instantly
So far this experience has been great! The necklace is shiny and beautiful, and the packaging was lovely. ✨
So cute 😭
Sized perfectly, and all the diamonds are arranged so nicely. The glimmer is amazing. 💎
Simple, transparent, and secure website.
Simple design but diamonds catch the light beautifully. Feels like everyday luxury. Checkout smooth and secure. Delivery on time.
Simple and classy. I wear them with everything.
Amazing
Shipping was smooth, product amazing!!
She liked it!! Mission accomplished
Impeccable Craft
She cried OMG love love love!!
She LOVED the pendant and earrings! Totally worth it
SHE LOVES IT!! From the moment I popped the question, everyone has been complimenting the ring. Her birthstone and the personalized touch just make it perfect.
Ring fits perfectly.
Reliable. Excellent Service!
Really nice accent pieces.
Perfect gift, she loved it 💖
Perfect for everyday wear.
Outstanding customer service and experience. It is already our 2nd time buying a ring here and I always got what's expected. Very beautiful ring!!
Ordering was super easy. The shipping was fast, and the description was spot on. Very happy.
Customer Care + Craft = 💯
Ordered my fiancé’s engagement ring and there was a tiny issue with the addresses… I thought Christmas proposal was ruined 😭. But it showed up on Xmas Eve morning and I got to propose!! Super happy with the quality and how fast it got here.
Hassle-Free!!
Ordered a made-to-order amethyst bracelet for my mom. The stones are gorgeous and the design looks exactly like I imagined. There was a slight delay with shipping since I ordered it during Holiday season, but the team kept me updated the whole time. Mom was thrilled and I will definitely buy from them again!