The desired aquamarine hue is a dark blue to slightly greenish blue with moderate intensity, and it is most noticeable in stones weighing more than 5 carats. Fine stones have a consistent blue hue with no zoning.
The majority of faceted aquamarines gemstones are devoid of obvious inclusions. Clean diamonds with good transparency are often expected by collectors. Today, there is a tendency to employ included, but good-color aquamarines as one-of-a-kind centerpieces for jewelry items, or even as partially polished crystal slices or nuggets in necklaces.
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