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 smaller sizes, with most pieces 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 octagon 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 rounds in the unheated sapphires, ranging in size 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 octagon / 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 in a range of pastel hues, including yellow, orange, green, violet, blue and pink, plus some interesting multicolors in the rounds. The clarity on 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. The pastel colors have more sparkle and fire than the darker sapphire colors, especially in very clean stones. But the superb prices on these stones, ranging from $130 to $250 a carat, makes them suitable for any project where you need a high quality untreated gemstone that is hard enough for everyday wear.
There are many bi-color and multicolor specimens in tourmaline, but you'll rarely see a multicolor 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