Navneet is friendly and was continuously communicative during the entire experience when ordering online. I received my order, and it was more than I could have hoped for. My ring is stunning, and the... See more
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I have now made 3 purchases. Buying expensive gemstones is always nerve wracking. I got them tested at my local jeweler when I got them- they are authentic. The customer service is excellent. The ship... See more
Item said it was in transit for almost a month. Only update received was from UPS saying it arrived in Goodyear AZ (155 miles from destination) and UPS kept sending “shipment delayed due to conflict”.... See more
Company replied
Navneet was incredible helpful. I received a diamond that was very close to what I ordered, but it had a chip in it. Navneet did everything he could to get me a replacement that was an upgrade from... See more
Company details
Written by the company
Welcome, we are Black Diamond our Business name is Black Diamond, and Based in Surat, India, We cut and polished loose natural diamonds all fancy shape all colors all size all fancy shapes and raw natural diamonds of all fancy colors all sizes, rustic rose cut diamonds, white rose cut, white star melee, black, blue, green, cognac, pink, purple, salt, and pepper all shapes rose cut, Diamond beads, raw crystal diamonds, raw mackle, diamond slice also offering fancy color GIA/IGI/HRD Certified diamonds, and custom jewelry as per request all diamonds are conflicts free and Kimberley Licensees, we have a responsibility to maintain the highest standards when sourcing our diamonds. We source our rough only from Kimberley Process-compliant nations and send them to our certified fair trade facility to be polished. We are 100% committed to ethical sourcing as our best practice, thank you for visiting our store.
Contact info
202, Sardar center, Hiranagar, A.K Road, 395006, Surat, India
- +91 9099720491
- Hello@blackdiamond.onl
- blackdiamond.onl
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Fast shipping and excellent communication!
Fast shipping and excellent communication! I asked for a custom cut on my diamond and they delivered flawlessly. Highly recommended!

Reply from Black Diamond Onl
Absolutely amazing!
I purchased two natural black diamond rings which were custom made. The rings exceeded my expectations in all aspects. Beautiful, top quality diamonds and at the best price you can ever find in the market. Also the service provided throughout the process from the designing of the rings to their delivery has been outstanding. Navneet is so professional, assistive and a perfectionist with an attention to detail. I am so happy with my rings and will be proceeding with another purchase soon!

Reply from Black Diamond Onl
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