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Oil-only Sandawana Emerald 1.60

Sandawana oil-only emerald in emerald cut open blue-green
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1.60 Carat
Intense Open Blue-ish Green
Medium Dark 60
Lightly/Moderately Included



- Identification: Natural Unheated Emerald
Carat: 1.60
Shape: Emerald
Measures: 7.86x6.19x4.68 (millimeter)
Color Grade: Excellent
Tone: Medium Dark 60
Color Zoning: None
Clarity: Lightly/Moderately Included (see comment)
Cutting Grade: Very Good
 - > 
Brilliancy: 80%
 - > 
Depth: 75%
Origin: Sandawana

Treatment: Minor Oil Only

Certificate No: DSEF SM081088

Overall Grade: Excellent

Comment: Newly permitted into our stock: Oiled emeralds. (Please read here if you want to know why.)

Sandawana emeralds over one carat are considered a rarity. Our inventory is easily the largest in the trade but let this not deceive you: no new material is coming, the mines have been emptied long ago, their consistent quality is legend, amongst the best emeralds found in history. This 1.60 carat with a DSEF minor-oil-only report is well cut, shows off with 8x6mm but no window, radiates open bluish green, with no yellow, no brown, is never pale, and never blacks-out, ever. Note the high maximum brilliancy, a rarity in a more color-based variety. The sometimes-visible inclusion is also a 'normal' feature in this gem-class. The one inclusion of silvery texture is visible to the unaided eye but only from a certain angle, thus I graded the gem 'lightly/moderately included', on an indecisive day. In any case, this is an emerald of fine quality and legendary pedigree. BTW: How or why does an origin gain legendary status? For emeralds, it is primarily a high chromium content, for blue sapphires it is a more complicated combination of color agents and crystal formation, in ruby we love to see chromium as well, only there it, surprisingly, produces red etc.. Average sizes, clarity, total output, and not least regional marketing and political circumstances determine if a mining area can gain and hold global fame before it is empty. Sandawana became famous over night with a quality hitherto unseen but ran dry too quickly in the 90ies. If you are looking for something extraordinary rare, value retaining and ever green, search no more. Prices will go no-where but up, fast.

This article from Guebelin reports the biggest cut Sandawana emerald as 1.56ct. Possibly this is one of the largest Sandawana emerald ever found, in good quality and minor-oil, no less.

Read about Sandawana Emeralds.

Here is a bit more about Emerald grading by the GIA.

Read here about emeralds on photo.


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