In our newsletter this month:
In the last year we've been listing some unheated sapphire from Tanzania at very attractive prices. Since unheated sapphire is hard to find, not to mention rather expensive, these Tanzanian sapphires have proven to be very popular.
The main limitation with these unheated sapphires is that they have been available only in small sizes, with most pieces weighing under 1 carat. We're now pleased to report that we've found a source for larger stones, and we've just acquired a collection of more than 60 outstanding pieces in weights over 1 carat, with quite a few stones over 2 carats. We've had a number of specimens certified at the AIGS gemological lab in Bangkok to verify that they are unheated.
We have these in both round and octagonal shapes. Round sapphires are perennial favorites because they are easy to set and work well in many different jewelry designs. But rounds can be hard to find because it takes more raw material to cut a round stone, and many cutters will cut an oval instead to preserve carat weight. We've found about 30 round unheated sapphires, ranging in weight from 1 to 1.7 carats. Most of these are brilliant cut, but we also have about a dozen diamond-cut stones.
In addition to rounds, we have a selection of about 30 octagonal, scissor-cut sapphires, in weights between 1.4 and 2.8 carats with sizes ranging from 7 x 5 mm to 8 x 6 mm.
Colors for both shapes are a range of pastel hues, including yellow, orange, green, violet, blue and pink, plus some interesting multicolored round gems. The clarity of these is excellent, with almost every stone graded VVS-VS or VVS.
The pastel colors are of particular interest for those considering sapphire instead of diamond for a special piece of jewelry such as an engagement ring or anniversary gift. Pastel colors have more sparkle and fire than the darker colored sapphires, especially in very clean stones. The superb prices of these stones, ranging from $130 to $250 per carat, make them suitable for any project that requires a high quality untreated gemstone that is hard enough for everyday wear.
There are many bi-color and multicolor specimens of tourmaline, but you'll rarely see a multicolored stone as pretty as this padparadscha-colored tourmaline from Nigeria. Depending on the viewing angle, this gem displays pink, orange, yellow and green. What makes this stone so unusual is its impressive size - 10.15 carats - and its outstanding clarity. We've graded this gem IF (internally flawless).
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Happy gem hunting,Your friends at GemSelect