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White gold and diamond rings, some featuring lab diamonds.

Moissanite vs Lab Diamond: Simulants vs Diamonds

Lab diamonds and moissanites are both created in laboratory settings, bringing sparkle to many jewelry styles. But these gems are very different when it comes to chemical composition, refraction and durability. Learn more about the differences between lab grown diamonds and moissanites.

Only at Blue Nile

When it comes to celebrations we strive to make your experience as
brilliant as our jewelry with the perfect pieces for every occasion.

Meet our personal jewelers, explore bestselling styles, pick up an online order, arrange to preview something from our online collection and so much more.
Book a fun and interactive appointment with a diamond expert and get up-close views of diamond and jewelery options from the comfort of your own home.
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The highest-quality design at a great price.
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The original online jeweler since 1999.
Inspiring Assortment
The perfect pieces for every occasion.