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Luster: Luster refers to the brilliance of the surface
reflection of the pearl. The Akoya pearls, although not as large as
the South Sea pearls, are of similar value even though they are smaller
due to their mirror like image.
Surface:
Pearls should be free of visible blemishes. Like a diamond, eye
visible imperfections should be avoided when purchasing pearls.
Avoid pearls with noticeable marks, bumps, or, cracks on their surface.
Size:
The larger a pearl is, regardless of its type, the more valuable
it will be. Akoya pearls are usually between 5 and 9 millimeters.
Tahitian pearls are frequently between 8 and 14 millimeters. South
Sea pearls are often seen from 9 to as much as 18 or at the most,
19 or 20 millimeters. Freshwater pearls are commonly available all
the way from 4 to 11 millimeters in size. It is important to note
that while freshwater pearls closely resemble Akoya in size and
appearance, they are never capable of achieving the same level of
perfection in terms of the luster or surface quality. Compare both
Akoya and Freshwater pearls before making a purchase so you can
decide which variety suits you best.
Shape:
Pearls of maximum value are visibly round. If you see pearls that
are out of round, the value of the pearls is significantly reduced.
The most common variation in shape that consumers see is between
the Akoya and the Freshwater pearl. While the Freshwater pearl costs
far less than the Akoya and closely resembles it in appearance,
it is never as round.
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