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  Blue Sapphire

  16.90 ct Mixed Unheated Ceylon Alluvial Rough Parcel – 13 Natural Sapphires and Spinel from Sri Lanka

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  Crystal

  18.23 ct Natural Sapphire Crystal from Pelmadulla, Sri Lanka – Complete Corundum Crystal with Growth Striations

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  Chrysoberyl Rough

  18.40 ct Natural Ceylon Unheated Chrysoberyl Rough from Nivithigala, Sri Lanka – Clean Facet Grade River-Worn Gem Rough

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  Crystal

  18.75 ct Vietnamese Red & Pink Spinel Crystal Collection – 17 Natural Unheated Crystals from Luc Yen

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  Sapphire Rough

  19 ct Ceylon Natural Yellow Sapphire Rough – Facet Grade from Nivithigala Village, Sri Lanka

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  Blue Sapphire

  2.10 ct Elahera Blue Sapphire Rough: Why a Flat Natural Sapphire Can Need a Completely Different Cutting Idea

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  Blue Sapphire

  2.50 ct Ceylon Natural Unheated Vivid Blue Sapphire Rough from Rambuka, Sri Lanka – Clean Facet Grade Rough

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  Blue Sapphire

  20.25 ct Natural Unheated Ceylon Mixed Color Sapphire Rough Parcel – 15 Pieces from Sri Lanka

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  Crystal

  20.70 ct Ceylon Natural Unheated Yellowish-Green Chrysoberyl Crystal from Embilipitiya, Sri Lanka

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  Garnet Rough

  21.00 ct Ceylon Natural Unheated Pyrope Red Garnet Rough from Kolonna, Sri Lanka – Large Facet Grade Rough

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  Sapphire Rough

  21.75 ct Ceylon Natural Unheated Pastel Blue to Violet Sapphire Rough from Endana, Sri Lanka – Facet Grade Alluvial Rough

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  Blue Sapphire

  22.00 ct Facet Grade Ceylon Blue Sapphire Rough from Elahera, Sri Lanka – Standard Heated Rough with Blue Color Zoning

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