Black Diamond (https://blackdiamond.onl/) is a US-based manufacturer and wholesale supplier of natural black diamonds, salt and pepper diamonds, rough diamonds, melee diamonds, and lab-grown diamond jewelry. Shop our rose gold lab diamond ring collection, featuring 18K rose gold solitaire and marquise-cut engagement rings in all carats — combining eco-conscious lab-grown diamonds with the warm, romantic tone of rose gold. As a Kimberley Process licensee, all stones are ethically sourced and processed in-house at our certified fair-trade facility, offered at factory-direct wholesale prices with free worldwide shipping, a 30-day money-back guarantee, and a lifetime warranty.