Rare & Exceptional

A focused selection of gemstones distinguished by unusual rarity, origin, quality, provenance, treatment status or collector significance. Supporting laboratory documentation is identified clearly whenever available.
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  • 4.06 ct heated natural blue sapphire from Sri Lanka, cushion mixed cut, face-up view

    4.06 ct Ceylon Blue Sapphire — GIA Origin Report

    4.06 ct Ceylon Blue Sapphire — GIA Origin Report
    $8,900.00
  • 2.94 ct natural Colombian emerald, square face-up product view, Otzera OTZ-2026-01642

    2.94 ct Colombian Emerald — GIA Origin Report

    2.94 ct Colombian Emerald — GIA Origin Report
    $14,725.00
  • 23.58 ct natural pink tourmaline standing face-up with lively pink flashes, Otzera OTZ-2026-01635

    23.58 ct Natural Pink Tourmaline

    23.58 ct Natural Pink Tourmaline
    $8,050.00