Pearls are the only gemstones made by living creatures. Mollusks produce pearls by depositing layers of calcium carbonate around microscopic irritants that get lodged in their shells—usually not a grain of sand, as commonly believed.
ROUND DIAMONDS
The most popular diamond shape is the round brilliant cut. Carefully refined over nearly 100 years to maximize light return and sparkle, this shape has proven the test of time as a sought after choice. Almost three quarters of all diamond engagement rings feature a round brilliant diamond.
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