Check for natural inclusions, verify weight and hardness, request certification from recognized labs (GIA, AGS), and buy from reputable dealers with return policies.

Focus on the 4 Cs: Color (vivid and even), Clarity (eye-clean), Cut (well-proportioned), and Carat (appropriate size). Always request certification and detailed photos.

Not necessarily, but they should be disclosed and priced accordingly. Heat treatment is common and accepted. Avoid undisclosed treatments. Natural, untreated stones are most valuable.

Buy from established dealers with certifications, clear return policies, and transparent practices. We offer natural, certified gemstones with 30-day guarantees. Browse our loose gemstone collection.

Prices vary by type, quality, and size. Research market rates, compare similar stones, and be wary of prices that seem too good to be true. Quality gemstones are an investment. See our pricing guide.