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Discount automatically applied during checkout. Offer valid through 12/7/2025.
Cyber Week Savings! Enjoy 10% Off Orders, up to $1,000 + Free Ground Shipping, up to 40 lbs*. See Details
GIA, founded in 1931, sets the global standard for diamond grading and gem education through its 4Cs system, research, trusted laboratory services, and advanced gemstone analysis instruments
