|Dimensions (mm)||11 x 9 x 4.5mm|
|Weight (carats)||7 carats|
This emerald is from Mozambique Africa that has been set in our factory.
The workmanship and finish is good.
Silver stamped 925
Note this stone has been checked by our in house gemologist and has been found to be a natural emerald stone-there is even no oil found in it.
Emeralds are a variety of the mineral beryl colored green by trace amounts of chromium and sometimes vanadium.
Beryl has a hardness of 7.5–8 on the 10 point Mohs scale
Emerald tends to have numerous inclusions and surface breaking fissures. Unlike diamond, where the loupe standard, i.e. 10X magnification, is used to grade clarity, emerald is graded by eye. Thus, if an emerald has no visible inclusions to the eye (assuming normal visual acuity) it is considered flawless. Stones that lack surface breaking fissures are extremely rare and therefore almost all emeralds are treated, “oiled”, to enhance the apparent clarity. Eye-clean stones of a vivid primary green hue (as described above) with no more than 15% of any secondary hue or combination (either blue or yellow) of a medium-dark tone command the highest prices. This relative crystal non-uniformity makes emeralds more likely than other gemstones to be cut into cabochons rather than faceted shapes.
The Gemstone Sheriff program allows our members to request an audit on any auction, which is completed by an independent gemologist who assesses the accuracy of the item description and pictures.
|Starts||25th Nov 2018 10:27pm PST|
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