HEATKEYS

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Guidance, reviews, and discussion for diamond jewelry buyers. We do NOT sell jewelry or diamonds.

Washington Diamond offers Ideal GIA certified diamonds, platinum diamond engagement rings set exclusively with the highest quality GIA certified diamonds, exceptional diamond wedding bands, custom wedding rings, and unique find jewelry. We are direc...

Gemological Science International (GSI) offers a range of gemological services, Diamond Grading Reports, Colored Gem Grading Reports, Virtual vault, GEM Web I.D, diamond certificates, gemological laboratory, lab, diamond reports, HPHT treatments, las...

As the largest online retailer of certified diamonds, engagement rings and fine jewelry, Blue Nile offers outstanding quality, selection, and value.

Online Diamond Buying Advice: What to look for in a diamond?s cut, color, clarity and carat size for the best price online. Which online diamond retailers offer the best quality for the best price.

Offering GIA diamonds, each with an exclusive Quality Guarantee, Lifetime diamond trade-in privileges, 30-day return, and written appraisal. We sell only GIA certified diamonds, in a classic solitaire setting or as a loose diamond.

Browse our diamond engagement settings or our classic pre-set engagement rings.

See why The Leo Diamond is the first diamond ever to be independently measured and certified for superior brilliance and beauty.

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Find information on engagement rings, loose diamonds, fine jewelry, and diamond education. Learn about jewelry trends, gemstones, and certified diamond grading.

The Gemological Institute of America, GIA, is the world