Daval Jewels offers a  collection of 20+ carat lab grown diamonds: large certified solitaires, each over 20 carats, available to view in Dubai and to ship worldwide. Every stone is a Lab grown diamond in a laboratory and comes with an independent grading report from IGI , so you can check its carat weight, shape, colour and clarity before you buy.

Browse the live inventory below, filter by shape, carat, colour and clarity, and download the full specifications as Excel or CSV. To check the price and availability of any stone, send it to us on WhatsApp.

Large Lab Grown Diamond Shapes

Our 20+ carat lab grown diamonds include Emerald, Round, Radiant, Cushion, Oval and Pear shapes. At this size, the shape and cut define the look of the stone. Emerald cuts show long, clean step facets, while round, oval and radiant cuts give maximum sparkle.

Certified and Verifiable

Each diamond in this collection has its own IGI  report number, listed in the inventory. You can verify the report on the laboratory’s website, and the report confirms that the diamond is laboratory grown. Our team will walk you through the grading details of any stone you are considering.

View in Dubai or Ship Worldwide

Book a private viewing at our showroom at Unit 12, Hind Plaza Building 7, Gold Souq District, Deira, Dubai, or ask us for videos of a stone. Once you have chosen, collect in Dubai or have your diamond shipped to you anywhere in the world.

Set Into Bespoke Jewellery

A 20+ carat diamond can be set into a statement ring, pendant or necklace. Our team can design a custom setting for your stone, and you confirm the design before production.

Looking for smaller stones? See all certified loose lab grown diamonds. Trade buyer? Visit our wholesale lab grown diamond supply page.

20+ Carat Lab Grown Diamonds: FAQ

Are these 20+ carat diamonds natural or lab grown?

They are lab grown diamonds. They are real diamonds, with the same chemical structure, hardness and sparkle as mined diamonds, but they are grown in a laboratory rather than mined. Every stone’s grading report states that it is laboratory grown.

Are all 20+ carat diamonds certified?

Yes. Every stone in this collection comes with an independent grading report from IGI . The report number is listed in the inventory, so you can verify it on the laboratory’s website before you buy.

Can I schedule a private viewing in Dubai?

Yes. You can book a private viewing at our Gold Souq showroom in Deira, Dubai. If you can’t visit, we can share videos of any stone on WhatsApp.

Do you ship 20+ carat diamonds outside the UAE?

Yes. We supply customers worldwide. Contact us with your country and the stone you have chosen, and we will confirm the shipping arrangements for your order.

Can you set a 20+ carat diamond into custom jewellery?

Yes. Our team can design and make a custom ring, pendant or necklace for your diamond. We will advise on the setting and metal and confirm all details before production.

How do I get the price of a 20+ carat diamond?

Select the stones you like in the inventory and send them using the WhatsApp or email quote buttons, or message us on WhatsApp at +971 58 621 8338. We will reply with current pricing and availability. You can also download the full specifications as Excel or CSV.