GIA certificate

Selling Loose Diamonds in the UK: Value, Buyers & What to Expect

March 26, 2026 by Manuela Calandra

Gemologist examining a loose diamond with high-tech lab equipment.

Need to sell my loose diamond but worried about finding the right buyer? Loose diamonds are easier to grade accurately than mounted stones, but the UK market for unset diamonds is brutally niche. Key Takeaways: • Loose diamonds avoid the 15-25% valuation penalty that mounting creates during professional grading• Certified loose stones command 20-30% higher … Read more

Diamond Certificates Explained: GIA, IGI, HRD and EGL

March 28, 2026March 26, 2026 by Manuela Calandra

A large diamond under dramatic lighting with fog, capturing grading theme.

Diamond certificate explained, your stone’s grading report determines whether you get £2,000 or £5,000 when selling, but most sellers can’t tell which grading labs command resale premiums. Key Takeaways: GIA-certified diamonds sell for 15-20% more than identical IGI stones on the secondary market EGL certificates are rejected by 80% of professional diamond dealers due to … Read more