0.74 ctw Marquise Blue Sapphire Stud Earrings – 14k White Gold

14k white gold. 2 marquise-cut natural blue sapphires, 0.74 ctw.

The marquise cut has the best origin story in jewelry. The version everyone tells is that Louis XV commissioned it in the 1740s to mirror the smile of the Marquise de Pompadour — take it as tradition rather than documented fact, but the shape has carried her title ever since.

What is certain is the geometry. A marquise is an elongated boat shape with points at both ends, and it is the single most efficient cut for making a stone look larger than it weighs. Spread the same carat weight across a long silhouette instead of a compact round and you gain visible surface area. These are 0.74 carats total and they wear noticeably bigger than that number suggests.

Blue sapphire is corundum — Mohs 9, no cleavage plane, no special handling required. It is one of the few colored stones I would put in an everyday earring without a caveat. The only vulnerability in a marquise is the points, and here they are protected by the setting.

White gold is the correct choice for blue sapphire. Yellow gold pushes warmth into the stone and dulls the blue; a cool white metal keeps the color reading true.

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