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Lot : 31

Reference: 5513 year: 1967   highly collectible item All original James Bond Dial Tritium turned…

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Lot : 37

Each Surmount of Knot Design is Highlighted with Brilliant and Single Cut Diamonds. Detachable Tassel…

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Lot : 42

An 18K Yellow Gold Gentleman’s Cabochonת, with Sapphire Weighing Approximately 7.83 carats Accompanied with Gubelin…

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Lot : 43

Platinum Ring set with Natural Sapphire, Not Heated, Weighing 4.73ct. and Diamonds with a Total…

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Lot : 49

A 1.11ct. Radiant cut Diamond Accompanied with GIA report no: 14885022 stating that the Diamond…

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Lot : 50

A 1.30ct. Cushion cut Diamond Accompanied with GIA report no: 6183302616 stating that the Diamond…

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Tzoffey's Blog

Why Sell at an Auction

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Gemstone characteristics

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Are Diamonds and Precious Stones an Investment? / Avner Sofiov

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The Trends According to Auctions/ Avner Sofiov

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Tzoffey's 1818 is a privately owned auction house specializing in diamonds, precious stones and Jewelry.

Mr. Avner Sofiov, President of Tzoffey’s, is the Former President of the Israel Precious Stones and Diamond Exchange and has served as the Director on the Board of Directors of the International Colored Gemstone  Association (ICA), Chairman of the

ICA Arbitration Committee and Chairman of the ICA Ethics Committee.


Avner takes care to display in Tzoffey’s auctions rare and unique items, attracting many serious collectors and buyers from all over the world.