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The Fiorella oval blue lab-grown diamond engagement ring in yellow gold.

Bagues en diamants de laboratoire bleus et verts

Blue. And every bit a diamond.

Real blue lab-grown diamonds, chosen for your ring and shown to you before we set it.

Natural blue diamonds are some of the rarest gems on earth, priced for museums. Grown in a lab, a blue diamond is still a real diamond, with the same color and fire, for a small part of the price. Almost nobody else will be wearing one.

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18 produits

The Juliana Hope blue cushion moissanite ring in yellow gold, isolated product view
Amelia Claire ring in yellow-gold finish, front view: oval blue center stone in four claw prongs, framed by a compass cluster of clear round accents and two blue pear accents.
The Dariana oval moissanite solitaire ring in solid gold.
Rose gold ring with a blue gemstone and diamond accents on a light background
Front close-up of a rose gold-tone ring with an emerald-cut blue center stone and halo accents on blue fabric.
Rose-gold-toned ring with a radiant-cut blue moissanite and pale accent stones on a green leaf
The Fiorella blue oval cluster moissanite ring in rose gold, isolated product view
Bague Fiorella en diamant de laboratoire taille ovale Prix de venteA partir de $4,193.95
Rose-gold ring with a round blue center stone, clear accent gems, and sculpted leaf motifs resting on a surface.
La bague Elowen en diamant de laboratoire taille ronde Prix de venteA partir de $3,036.95
Bague Bethany - en diamant de laboratoire vintage taille ronde
The Noelle blue moissanite halo ring in rose gold, isolated front view
Bague Noelle en diamant de laboratoire taille ronde Prix de venteA partir de $4,049.95
The Carlotta 2 carat oval blue moissanite ring in solid gold, with a halo of clear stones, displayed on gray velvet.
Bague Carlotta en diamant de laboratoire taille ovale Prix de venteA partir de $4,193.95
The Bethany radiant cut blue moissanite halo ring in solid gold
Bague Bethany en diamant de laboratoire taille radiant Prix de venteA partir de $5,206.95
Gold-tone Natalia ring with a pale blue emerald-cut center stone and round accent stones on a reflective white surface.
Priscilla ring in yellow-gold finish, front view: blue emerald-cut center stone in four rounded corner claws, a trio of clear round accents on each side, and wave-swept shoulders.
The Bethany Marquise Cut blue moissanite ring in solid gold
Close-up view of The Katalina solid gold ring with its blue moissanite center.
Bague Katalina en diamant de laboratoire taille ronde Prix de venteA partir de $3,615.95
The Bethany 1.5 carat blue moissanite halo ring in solid gold.
The Althea 1CT round-cut moissanite ring in solid gold with delicate side stones

La couleur la plus rare du diamant, à portée de main

Chaque modèle de cette sélection est orné d’un diamant bleu (et l’un d’eux d’un diamant vert), comme les acheteurs en sont tombés amoureux. Chaque diamant de couleur est unique : nous sélectionnons le vôtre et vous le présentons avant de le sertir.

Vous préférez le même modèle en blanc ? Choisissez un diamant blanc sur la page du produit pour profiter d’un prix réduit. Vous préférez le rose ? Découvrez nos diamants roses de laboratoire. Toutes les bagues : bagues en diamant de laboratoire.

Frequently Asked Questions

Is a blue lab-grown diamond a real diamond?

Yes. It is diamond, with diamond's hardness and fire. Yours just happens to be blue.

Will I see my diamond before it is set?

Yes. Every colored diamond is one of a kind, so we send you a video of your actual stone and set it only after you approve.

Can I have a white diamond in the same design?

Yes. Choose White on the product page and the price updates, lower than blue.