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Our quality standards are among the highest of all jewelers. At Blue Nile, shopping is risk-free because you've come directly to the finest loose diamonds and jewelry available. We use only the finest materials to create jewelry with exceptional craftsmanship. We're confident that you won't find a better diamond or piece of jewelry for the price.
This combination of exceptional quality and extraordinary value has drawn thousands of couples to Blue Nile.
As the largest online diamond retailer, Blue Nile offers the largest collection of the world's finest cut diamonds. Pre-selected for exceptional quality, the cut, color, and clarity of our loose diamonds are evaluated based on a standardized grading scale. Also, each loose diamond is accompanied by a grading report from either GIA or AGSL, independent diamond grading labs with the most stringent grading scales of all labs.
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For exceptional quality, the diamonds set in our diamond jewelry meet strict minimum quality standards. Each diamond is colorless to near-colorless (D–I grade color) with exceptional clarity (FL–SI grade clarity). This standard of quality applies to all our diamond jewelry — even pieces with the smallest diamonds.
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The pearls in our Akoya cultured pearl jewelry must have high to medium luster, and they must be mostly round in shape, with smooth surfaces and no noticeable blemishes. Since color and size are the most important features of Tahitian cultured pearls, ours feature high to medium luster, they must be mostly round in shape, and have smooth to lightly spotted surface markings. Even our Freshwater cultured pearl jewelry features white pearls with high to medium luster, round to slightly off-round, good uniformity, and smooth to lightly spotted surface markings.
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You'll find we offer only the strongest, most durable jewelry grade platinum. Also, in all set engagement rings, each loose diamond is set with the strength and security of platinum prongs.
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We offer fine 18k gold for more beautiful gold color than 14k, but more strength and durability than pure, 24k gold. We may offer jewelry with 14k gold accents in instances where strength is essential, like in hinges, clasps, or earring posts.
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For durability and beautiful shine, we use only the finest sterling silver stamped with a mark of purity.
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