Engagement Rings

Celebrate modern love with Blanc Lune’s lab-grown diamond engagement rings — ethically crafted, endlessly radiant, and made to mark your forever with intention.

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Platinum Marquise Halo Pavé Lab Diamond Engagement Ring Platinum Marquise Halo Pavé Lab Diamond Engagement Ring
Platinum Marquise Halo Pavé Lab Diamond Engagement Ring
¥203,600
14K Yellow Gold Asscher NSEW Lab Diamond Engagement Ring 14K Yellow Gold Asscher NSEW Lab Diamond Engagement Ring
14K Yellow Gold Asscher NSEW Lab Diamond Engagement Ring
¥155,700
Toi & Moi Lab Diamond Engagement Ring in White Platinum Toi & Moi Lab Diamond Engagement Ring in White Platinum
Toi & Moi Lab Diamond Engagement Ring in White Platinum
¥303,300
Emerald Pavé Lab Diamond Engagement Ring in Platinum Emerald Pavé Lab Diamond Engagement Ring in Platinum
Emerald Pavé Lab Diamond Engagement Ring in Platinum
¥207,500
Pear Solitaire Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold Pear Solitaire Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold
Pear Solitaire Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold
¥550,700
2.5CT East-West Pear Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold 2.5CT East-West Pear Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold
2.5CT East-West Pear Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold
¥343,200
Solitaire Prong-Set Emerald Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold Solitaire Prong-Set Emerald Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold
Solitaire Prong-Set Emerald Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold
¥383,100
3CT East-West Pear Cut Engagement Ring with Lab-Grown Diamond, 14K Gold 3CT East-West Pear Cut Engagement Ring with Lab-Grown Diamond, 14K Gold
3CT East-West Pear Cut Engagement Ring with Lab-Grown Diamond, 14K Gold
¥383,100
Solitaire Prong-Set Cushion Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold Solitaire Prong-Set Cushion Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold
Solitaire Prong-Set Cushion Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold
¥550,700
East-West Oval Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold East-West Oval Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold
East-West Oval Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold
¥566,700
Solitaire Prong-Set Marquise Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold Solitaire Prong-Set Marquise Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold
Solitaire Prong-Set Marquise Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold
¥486,900
Solitaire Prong-Set Oval Cut Engagement Ring with 1.5ct Lab-Grown Diamond, 14K Yellow Gold Solitaire Prong-Set Oval Cut Engagement Ring with 1.5ct Lab-Grown Diamond, 14K Yellow Gold
Solitaire Prong-Set Oval Cut Engagement Ring with 1.5ct Lab-Grown Diamond, 14K Yellow Gold
¥271,400
Solitaire Prong-Set Princess Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold Solitaire Prong-Set Princess Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold
Solitaire Prong-Set Princess Cut Engagement Ring with Lab-Grown Diamond, 14K Yellow Gold
¥255,400
Bezel Pear Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow Bezel Pear Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow
Bezel Pear Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow
¥407,100
Bezel Oval Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow Bezel Oval Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow
Bezel Oval Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow
¥514,800
Bezel Baguette Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow Bezel Baguette Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow
Bezel Baguette Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow
¥486,900
Bezel Cushion Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow Bezel Cushion Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow
Bezel Cushion Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow
¥1,109,300
Bezel Emerald Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow Bezel Emerald Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow
Bezel Emerald Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow
¥295,300
Bezel Round Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow Bezel Round Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow
Bezel Round Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow
¥143,700
Bezel Oval Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow Bezel Oval Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow
Bezel Oval Diamond Engagement Ring with Lab Diamond, 14K Gold Yellow
¥287,300
3CT East-West Bezel Oval Lab Diamond Engagement Ring, 14K Yellow Gold 3CT East-West Bezel Oval Lab Diamond Engagement Ring, 14K Yellow Gold
3CT East-West Bezel Oval Lab Diamond Engagement Ring, 14K Yellow Gold
¥542,700
4CT Bezel Oval Diamond Engagement Ring with Lab Dimaond, 14K Gold Yellow 4CT Bezel Oval Diamond Engagement Ring with Lab Dimaond, 14K Gold Yellow
4CT Bezel Oval Diamond Engagement Ring with Lab Dimaond, 14K Gold Yellow
¥614,600
Pavé Bezel Baguette Diamond Engagement Ring with Lab Dimaond, 14K Gold Yellow Pavé Bezel Baguette Diamond Engagement Ring with Lab Dimaond, 14K Gold Yellow
Pavé Bezel Baguette Diamond Engagement Ring with Lab Dimaond, 14K Gold Yellow
¥319,300
Twisted Arm Bezel Princess Lab Diamond Engagement Ring, 14K Yellow Gold Twisted Arm Bezel Princess Lab Diamond Engagement Ring, 14K Yellow Gold
Twisted Arm Bezel Princess Lab Diamond Engagement Ring, 14K Yellow Gold
¥255,400