Sinclair is a luxury jewelry company with the mission to create the finest works of art by celebrating the magnificence of diamonds, emeralds, rubies and sapphires. Inspired by the natural beauty of precious and colored gemstones, we create jewels of timeless splendor and pleasure.

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Our distinct designs stand in the tradition of European master jewelers expressing elegance and sophistication for over 50 years.

explore sinclair

Sinclair is home to the highest quality gemstones. Explore nature's most beautiful art— treasures beyond the ordinary.

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If you are looking for something that is truly exceptional, Sinclair Treasures is perfect for you.

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For something small and intimate, or for making that profound statement, our wide selection of diamonds, emeralds, sapphires and rubies will never fail to impress.

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 These gemstones are upon request.