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Gemstone Buying Guide: What to Know Before You Buy

The 4 Cs apply to colored stones too: Color (most important factor), Clarity (inclusions are more accepted than in diamo...

Complete Guide to Birthstones by Month

January: Garnet (friendship, trust). February: Amethyst (peace, courage). March: Aquamarine (youth, hope). April: Diamon...

The Most Expensive Gemstones Ever Sold

Pink Star Diamond: $71.2 million (59.6 carats). Oppenheimer Blue Diamond: $57.5 million. Blue Moon of Josephine Diamond:...

Gemstone Treatments: What Jewelers Must Disclose

Heat treatment: Applied to 95% of rubies and sapphires on the market. Heats stones to 1,600-1,800 degrees C to improve c...

Investing in Gemstones: Risks and Opportunities

Colored gemstones have appreciated 5-8% annually over the past decade, outperforming many traditional investments. Key f...