Layered gold necklaces with a midnight-blue moissanite pendant
Handmade Moissanite Jewelry

Brilliance
Beyond Diamonds

More fire than a mined diamond. A fraction of the footprint and the price. Every Cassienne piece is handmade to order, hand-finished, and guaranteed for life.

9.25Mohs hardness
2.65Refractive index
90%Below diamond price
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Pink cushion-cut moissanite ring in rose gold
The Honest Stone

Why Moissanite
Outshines Diamond

Born from a meteorite discovery, grown to perfection in a lab. Moissanite refracts more light than a mined diamond, never clouds, and carries no mining footprint — only fire.

MoissaniteMined Diamond
Brilliance (refractive index)2.65 — more fire2.42
Hardness (Mohs)9.25 — forever-proof10
OriginLab-grown, conflict-freeMined, varies
Price per caratUp to 90% lessPremium
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Colorless VVS1 Stones

Every center stone is colorless, VVS1-clarity moissanite, with more fire than a mined diamond.

Lifetime Warranty

Moissanite never fades or clouds. If it ever loses its fire, we replace it. Simple.

Free Insured Shipping

Complimentary, fully-insured worldwide delivery on every order over $150.

60-Day Returns

Changed your mind? Return it within 60 days for a full refund of the item price.

The Inner Circle

First Light on New Drops

Early access to limited editions, private offers, and 10% off your first order.