Home DiamondsMarquise Diamonds

Marquise Diamonds

Shop GIA/IGI certified marquise loose diamonds on GEMGEM. Advanced filters, 360° imagery & gemologist tools for flattering elongated silhouette stones.

No exact matches found.

But don’t worry — explore our most popular searches or adjust your filters to discover thousands of verified pieces.

The marketplace where fine jewelry holds its value.

GIA & IGI CertifiedCertifications and lab reports are shown on the listing when they apply to this item.

100% Secure EscrowPayments are processed securely. Funds stay protected until milestone steps in your order complete.

Fast Ship AvailableShown only when this listing qualifies; otherwise dispatch timing follows listing type and verification needs.

Insured Delivery AvailableCoverage and carrier depend on item value and destination. See listing and checkout for details.

30-Day Commission-Free ResellWhen offered, commission-free relist within 30 days of delivery; re-authentication and shipping fees may apply. See Buying for policy.