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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: Oil Only

Certificate No: DSEF SM081088

Overall Grade: Very Good

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

Emeralds over one carat are considered a rarity from Sandawana, aside the fact that the mines as such are empty. Our inventory is easily the largest in the trade but let this not deceive you: no new material is coming, and we are selling fast and low priced, but not for long. This 1.60 carat with a DSEF minor-oil-only report, is well cut, shows off 8x6mm but no window, radiates rich bluish green, with no yellow, no brown, is never pale, and never black-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 (Sandawana easily matched the best South-American sources), 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.  

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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