shiny diamond
From a sustainability standpoint, I was pleased that I was able to recycle our old diamond and get a great deal on a new, recycled diamond. We win and the environment wins.
Greg A. (Hong Kong).

Upgrade your diamond with Diamond Marketplace

When you upgrade with DMP, you’ll have twice the reason to celebrate: the best available price worldwide on your sale and purchase transactions.

On top of this, DMP offers upgraders who both sell & buy a special discount on our fees, resulting in exceptional value. To get your discount code, start by selling your diamond.

How does it work?

Use our website to get a valuation

Use our price comparison engine to get an immediate valuation

No need to ship your diamond

Just input your GIA number for an immediate quotation


Choose your Selling Option

Choose to hold onto your GIA certified diamond and just list it for sale, or;

Send us your diamond immediately for authentication and a quicker sale.

All diamonds must go through the authentication process for a sale to complete.

Browse our collection for your new diamond deal

After selling your diamond for the best possible price, we’ll give you a discount code to use on your new purchase.

Our price comparison engine compares our prices to major online retailers; ensuring you get the best deal possible on your upgrade.


Find Your Perfect Diamond

Browse our collection of diamonds and find the one that captivates you or your loved one.

Find Your Diamond