4.05 Carat Round Lab Grown Diamond

We compare live offers from 10 retailers and show the lowest price first. In this listing set, prices range from $3,892 to $22,493. Comparing the same certified stone across multiple stores is the most reliable way to judge whether the price you see is competitive.

Retailers can price the same stone differently based on margin strategy, promotions, shipping terms, and financing options. Some retailers bundle free shipping or insurance, while others offer lower base prices. Comparing side-by-side usually reveals meaningful savings on the exact same certified diamond.

Confirm the lab certificate details (GIA #1528847100) match the listing. Review the retailer's return and exchange policy, check whether shipping and insurance are included, and compare the final checkout total including any applicable taxes.

Start with the 4Cs: carat weight, color grade, clarity grade, and cut quality. Once you have shortlisted stones with matching specifications, compare total cost including shipping and review each retailer's return policy. For round cuts specifically, pay attention to the length-to-width ratio and how it affects the stone's visual appearance.

The GIA certificate (#1528847100) is an independent grading report that verifies this diamond's carat weight, color, clarity, cut, and other physical properties. It serves as a trusted third-party guarantee of the stone's quality. Always verify the certificate number on the issuing lab's website before purchasing.

Lab grown diamonds are chemically and optically identical to natural diamonds but are typically 50-80% less expensive. They are an excellent choice for buyers who want a larger or higher-quality stone within a given budget. Lab grown diamonds are graded using the same 4C standards as natural diamonds.

For this specific GIA certified round diamond, the price spread across 10 retailers is $18,601 (478%). That means by choosing the lowest-priced retailer for the exact same stone, you could save up to $18,601 without any compromise on quality.