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Choose Your Diamonds, Appointment for Inspection, Payment, Free Delivery

About Buy Diamond

Buy Diamond is the leading Diamond online store, aiming at providing reasonable price but the best quality diamonds to our customer. Most of our diamonds are bundled with GIA certificates, ensuring the quality and grading. We provide one-stop services so that you can shop easily and conveniently through our Buy Diamond online store.

Why US?

LOW price; with Shop at TST
Our shop is located at Tsim Sha Tsui, with great amount of choices available; together with the greatly competible price, Buy Diamond is the first choice of many of our customers.

GIA Certificates, Quality Assurance
Buy Diamond provides inspection tools for you to examine the diamonds you’ve chosen. Matching the laser inscription of GIA certificate number on the diamond with the GIA certificate, ensuring the quality and the accuracy of the reports provided. (You can also search the report from the GIA official website). If you would like to inspect and certify the diamonds without the Code with GIA, we can help and accompany you to do so.

Making Your Ring
Buy Diamond helps you and provide consultation for you to embed the purchased diamond. We have lots of rings in our shop.

After-sales services
1.) Free Ring Size Modification
2.) Free Engraving Service
3.) Free Ring Polish and Renovation service
4.) Lifetime warranty
5.) Free delivery service
For your convenience, if you do not need to inspect the diamond at our shop, BuyDiamond can arrange delivery of your purchased products to your designated address.
(* This service is only provided for delivery address in Hong Kong, minimum HK$30,000 purchases)


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