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Your Trusted Partner for Diamond & Jewelry Sales Online
Diamond Exchange Online stands as a trusted leader in diamond buying services, offering unparalleled value for precious items through a secure, online-only process. Our team of GIA-certified evaluators combines decades of industry experience with rigorous adherence to the 4Cs (cut, color, clarity, carat) to provide transparent, market-driven valuations. We specialize in purchasing diamonds, engagement rings, luxury jewelry, and precious metals from clients nationwide, eliminating retail overhead to maximize payouts.

Our process prioritizes privacy, speed, and professionalism, featuring insured FedEx shipping, same-day payments via check or direct deposit, and free item return if offers are declined. With a reputation built on integrity and customer satisfaction, we ensure every transaction reflects our commitment to excellence, discretion, and competitive pricing.
Services
Diamond Purchases Jewelry Appraisals Gold Valuation Estate Jewelry Sales Designer Jewelry Buyouts
Served areas
  • United States of America
Highlights and features
  • GIA-certified experts ensure accurate, professional evaluations
  • Fully insured shipping with $100,000 coverage
  • Same-day payment upon acceptance of offers
  • No hidden fees or deductions from payouts
  • Nationwide service with remote transactions
Associations and certifications
  • Gemological Institute of America (GIA)
What people say
Secure shipping Competitive offers Quick payments Professional service Transparent process
Services
Diamond Purchases
We buy natural diamonds of all shapes and sizes (minimum 0.3 carats) including certified and vintage pieces. Our GIA-certified experts use precise grading standards to ensure fair market pricing. Customers receive detailed valuations based on current market conditions and the 4Cs grading system.
Jewelry Appraisals
Professional evaluation services for engagement rings, diamond jewelry, and luxury watches. Our team assesses item quality, brand value, and market demand to provide accurate cash offers. All appraisals include comprehensive explanations of valuation factors.
Gold Valuation
We purchase all gold types (10K-22K) including jewelry, coins, and bullion. Our process considers purity, weight, and current market prices to deliver maximum payouts. Damaged or broken pieces receive proper valuation based on melt value.
Estate Jewelry Sales
Specialized buying service for antique and collectible jewelry. We evaluate historical significance, craftsmanship, and gemstone quality to determine fair market value. This includes Art Deco, Victorian, and inherited collections.
Designer Jewelry Buyouts
Premium purchases of authenticated designer pieces from brands like Tiffany & Co. and Cartier. Our experts verify authenticity and assess condition to provide competitive offers for signed luxury jewelry and timepieces.
Questions
How do you determine my jewelry's value?
Our GIA-certified experts analyze the 4Cs, current market data, and item condition to provide fair, competitive valuations.
What if I decline your offer?
We return your items free of charge using the same insured shipping method with no obligation to sell.
How long does the process take?
From shipment to payment, the process typically takes 2-3 business days with 24-hour estimate turnaround.
Is my shipment insured?
Yes, all shipments include $100,000 FedEx insurance coverage during transit at no additional cost.
What items do you purchase?
We buy diamonds (0.3+ carats), gold (10K-22K), estate jewelry, designer pieces, and luxury watches.