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Difference between heated, unheated and glass filled blue sapphire gemstones?

NavneetGems - - Gemstone Treatments
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Famous Topaz Gemstones Cut and Uncut

Lareef - - Famous Gemstones
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NavneetGems

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Introduction About Myself

paulg - - Introduce Yourself
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NavneetGems

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    Prices of Blue sapphire depends on its characteristics - Natural or glass filled. Both heated and unheated are called natural but see how unheated sapphire changes the color and clarity during heating process. Blue Sapphire_0.jpg
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    NavneetGems -

    Replied to the thread Famous Topaz Gemstones Cut and Uncut.

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    Most famous oval shaped Marbella' topaz weighs around 8,225-carats and known for its perfect color and cut, although 31,000 carats 'El Dorado' topaz is highest in weight.
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    NavneetGems -

    Replied to the thread Introduction About Myself.

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    Hi, I am Navneet Agarwal from Bangkok, Thailand and running gemstones supply company Navneetgems , I am here to share my knowledge with people.
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    Maryjewel -

    Replied to the thread Animal and Plant Motif Jewelry Appearing at Public Auctions.

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    Lot 8 - An Emerald and Diamond Flower Bracelet - though not a signed piece, registered a reasonable impact at the auctions, assigned a moderately high pre-sale estimate of US$13,579 - $18,106 and selling slightly above the upper estimate for US$18,198.
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    DianerDiamonds -

    Posted a new thread: Purple Orchid Diamond - Famous or No?

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    Don't know if you guys have seen this new Purple Orchid diamond released by Leibish & Co, but I think it is absolutely stunning. I have never seen a purple stone look so good in all my years working with diamonds. Apparently it is still available and…
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    DianerDiamonds -

    Posted a new thread: Introduction - Avner from Dianer Diamonds

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    Hello Internet Stones community, I wanted to introduce myself. My name is Avner and I am the CEO at Dianer Diamonds. For over 20 years myself and my amazing team of experts have been working on and perfecting diamond enhancement treatments. We now…
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    Lareef -

    Replied to the thread Animal and Plant Motif Jewelry Appearing at Public Auctions.

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    As in the Christie's "Jewels : The London Sale" held on June 10, 2009 highlighted previously by AnitaP, signed pieces by reputed jewelry designers and jewelry houses, had also performed extremely well at the May 13, 2009 Christie's Jewels : The Geneva
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    AnitaP -

    Replied to the thread Animal and Plant Motif Jewelry Appearing at Public Auctions.

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    Thanks shah for taking all the trouble to fish out more interesting plant and animal motif jewelry from Christie's Geneva May 2009 auctions. The images you uploaded are fantastic and speak for the quality of the pieces highlighted !
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    shah -

    Replied to the thread Animal and Plant Motif Jewelry Appearing at Public Auctions.

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    At least eight plant and animal motif jewelry lots appeared at Christie's Jewels : The Geneva Sale held on May 13, 2009. These lots are 4, 8, 24, 25, 107, 114, 117, 120. Lot 4 - A Turquoise, Diamond and Gold Tortoise Brooch, by Cartier. Price achieved -
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    Lareef -

    Replied to the thread Animal and Plant Motif Jewelry Appearing at Public Auctions.

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    The four factors highlighted above for the Christie's "Jewels : The London Sale," held on June 10, 2009, that had a bearing on the prices achieved, also applies equally well for the lots highlighted by Peter that appeared at Christie's Jewels : The Hong
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