Choose your size
Diamonds by Size is making the purchase of diamonds by jewelers, manufacturers, and other businesses, faster, easier, and more efficient than ever before.
We are B2B ONLY!
Our website is very easy to use.
99% of our customers never needed to call to discuss their orders.
They simply place an order online
just as they do on any other ecommerce site.
Free shipping on orders over $2000!
Shipping is only $80 on packages worldwide
Packages are delivered within 7 days - worldwide!
Shop by size, weight, and clarity.
Add what you want to your cart.
Check out with a bank transfer.
Get your diamonds within 7 days!
Customer service is our commitment!
Sure, we sell diamonds, but it’s our customer
service that truly sets us apart.
24-hour customer service.
100% refund guarantee. *
Let the team at Diamonds by Size amaze you!