: A trusted authority that recently expanded into lab diamonds. They are noted for high-quality GIA-certified stones and a "white-glove" service experience.

: Specializes exclusively in lab-grown stones and is praised for a risk-free experience, including a generous 100-day return policy . Where to Buy In-Person

: Highly recommended for price transparency . They show exactly what they paid for the stone and their own markup, often offering some of the lowest prices on the market.

Buying in person is ideal if you want to see the diamond's "fire" and sparkle under different lighting before committing.