An Exceptional Ruby, Tsavorite Garnet and Diamond Ring, by Ferri
Lot 591
An Exceptional Ruby, Tsavorite Garnet and Diamond Ring,
by Ferri
HK$ 1,500,000 - 2,000,000
US$ 190,000 - 260,000

Lot Details
An Exceptional Ruby, Tsavorite Garnet and Diamond Ring, by Ferri An Exceptional Ruby, Tsavorite Garnet and Diamond Ring, by Ferri
An Exceptional Ruby, Tsavorite Garnet and Diamond Ring, by Ferri
The step-cut ruby, weighing 10.06 carats, within a pavé-set circular-cut tsavorite garnet surround, accented by brilliant-cut diamonds, garnets approximately 11.60 carats total, signed FERRI, ring size 6½

Footnotes

  • Accompanied by an AGL (American Gemological Laboratories) report stating that the natural ruby has no indications of heat treatment and originates from Kenya. Report number 8086172, dated 13 March 2017.

    Accompanied by a Gubelin report stating that the ruby has no indications of heat treatment and originates from East Africa. Report number 0910175, dated 26 October 2009.

    10.06克拉天然無經加熱處理肯尼亞紅寶石,沙弗莱石配鑽石戒指,FERRI
    翠榴石共重約11.60克拉,戒指尺寸6½,附Gubelin及AGL證書


    Kenya

    Famous for tsavorite garnet, Kenya is also home to a host of other glorious gems including ruby, sapphire, amethyst, aquamarine, garnet and iolite.

    Ruby has been mined in Kenya for many years and a recent discovery near the town of Baringo in the Rift Valley is now providing the region with Ruby and Pink Sapphires. These are said to be of a higher grade than those being mined in the Tsavo National Park, which are often cut into gem beads or cabochon cut.

    Kenya rubies surprised the world when they were discovered in the sixties because their colour rivals the world's best. Unfortunately, most of the ruby production has many inclusions, tiny flaws which diminish transparency. They are rarely transparent enough to facet. Lot 591 which is a very rare ruby of over 10 carats from Kenya and has similar colour and optical properties to their Burmese counterparts.

    肯尼亞

    肯尼亞著名出產沙弗莱石榴石,也是許多寶石的產源地,其中包括紅寶石,藍寶石,紫水晶,海藍寶石,石榴石和堇青石。

    紅寶石在肯尼亞已經被開採了很多年,最近在Rift Valley的Baringo鎮附近發現的新礦,為該地區提供了紅寶石和粉紅色剛玉的新來源。據說這些寶石質量比在Tsavo國家公園開採的寶石要高,因Tsavo國家公園開採的寶石其質量較差而只可被打磨成圆珠或蛋面。

    肯尼亞的紅寶石在六十年代被發現時令世界感到驚訝,因它們的顏色與世界上最好的紅寶石可媲美。很可惜的是,大多數在肯尼亞出產的紅寶石有許多內含物令透明度偏低, 因而很少能達到可以切割的要求。 591拍品是來自肯尼亞超過10克拉的紅寶石,並具有緬甸紅寶石的颜色及類似的光學特性, 所以十分稀有。
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