![]() So far the best solution is gemology labs like the Gemology Institute of America or the Gem Research Swiss lab, but the labs can produce different opinions for the same gems. The precise “line” between the two is argued from vendor to vendor, and varies from country to country too. Rubies will usually be priced higher than pink sapphires, and this affects a vendor’s profit. However, the pricing differences between the two can be significant. The most expensive pink sapphires and least expensive rubies fall into the same color range, with very slight differences. This is also a long-standing argument in the gem industry of what colors should be called ruby or pink sapphire. The only difference between the two varieties of corundum is whether they are called ruby or pink sapphire. ![]() ![]() These two gems are made from the same mineral (corundum) and colored by the same element (chromium). No discussion of pinkish rubies is complete without mentioning pink sapphires. Pink Sapphire Marquise Shape 5x2.5mm Approximately 0.70 Carat, September Birthstone, A Variety of Corundum, Faceted Plain Top (3400) BestinGems (14,349) 37. This is due to the much purer red color, along with its untreated status. It also has a much higher value than R10036 of $8,924.40 USD. The pink component disappears completely under incandescent lighting, but it is visible under fluorescent lighting.
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