Gemstone Journal

Gemstone knowledge from the source: sourcing insights, care guides, and buying advice to help you choose jewelry and stones with confidence.

Gemstone necklaces and pendants from the Sapphire Row necklaces collection
Jewelry and Gifts
Sapphire Row

Gemstone Pendants: A Buyer's Guide to Choosing the Right Stone for a Necklace

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Carat Weight vs Size: 0.64 ct blue sapphire, 0.98 ct blue sapphire, 2.01 ct blue sapphire and 3.45 ct cornflower blue sapphire beside the word Carat on navy Buying Basics
Sapphire Row

Carat Weight vs Size: Why Two One-Carat Gems Look Nothing Alike

Why carat is weight, not size, how density and cut change what a stone looks like, and why you should buy by millimeter.

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