The Carat Club
Melee Made Simple
No minimum orders & transparent pricing
We believe everyone—from passionate hobbyists to artisan crafters and large-scale jewellers—deserves access to premium melee diamonds. Our commitment is simple: delivering exceptional quality at unbeatable prices, empowering every corner of the jewellery industry.
Sustainably Grown
We specialise in supplying lab grown diamonds cultivated through verified sustainable practices — combining exceptional brilliance with full traceability and ethical sourcing.
Free Shipping + Bulk Savings
Save more when you buy more
Save up to 15% on 5+ melee diamonds, with free UK shipping on every order
Ethically Sourced
Every diamond we supply is fully Kimberley Process compliant — sourced exclusively from the world's most reputable, audited suppliers. Provenance you can verify, quality you can trust.
Ready For Setting
Precisely calibrated & full of fire
We are committed to supplying melee diamonds of exceptional quality—ethically sourced, precisely calibrated, and bursting with fire. Make your creations stand out with our superior diamonds today.
Diamond Diaries
Designed your ring with AI? Here's how to source the stones
Natural Sapphire, Emerald & Ruby Melee – A Jeweller's Guide to Coloured Gemstone Melee
Lab Grown Fancy Colour Diamonds: The Ultimate Guide to Blue, Pink & Yellow