Sparkle Sustainably
Buy and Sell Pre-Owned Lab-Grown Diamond and Moissanite Jewelry
Discover Conscious Luxury
Welcome to SparkAgain—the curated marketplace for pre-owned lab-grown diamond and moissanite jewelry. Here, every piece tells a story. Lab-grown diamonds are more affordable and environmentally friendly than mined stones, and by choosing pre-owned, you make your jewelry choice even more sustainable.
Learn moreHow It Works
Selling Made Simple
List your sparkles in minutes without upfront costs. Enjoy expert support, a secure selling process, and only pay a small fee when your piece finds a new home.
How to sellFind Your Unique Diamond
Explore our curated collection and discover one-of-a-kind, certified pieces with their own history and charm.
How to buySeamless and Secure Transactions
Once you’ve found your match, pay securely, and enjoy trackable and insured shipping. Payment is safely held until your item is delivered and verified.
Buyer protection