Diamond Guide
Everything begins with the diamond — color, clarity, cut, and what they actually measure.
Learn MoreSignature Collection
Pieter Andries Anniversary Bracelet
The Art of Making Jewelry
Your story sets the design in motion. Bring us the heirloom you've kept close, and we'll restyle it around the gemstones already within it. Or start with a rare gemstone we source for you, and we'll shape the piece around your vision.
Commission Joaillerie
Accredited by the American Gem Society
Every diamond and gemstone is graded in our own Pieter Andries Diamond and Gemstone Laboratory, accredited by the American Gem Society — one of roughly five hundred such laboratories in North America. Diamonds of half a carat and above are inscribed with a number matching their grading record.
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Engagement & Celebration
Pieter Andries Engagement Rings
Wedding Bands
The ring you'll touch a thousand times without thinking. Built to outlast the moment it marks, and every quieter moment after.
Colored Gemstones
Sapphires, emeralds, rubies, and the rarer finds beyond them — each gemstone sourced individually, each setting shaped to the gemstone it holds.
The World of Diamonds
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