CR Gems is British/American-owned and operated, NAJ member, GIA certified and ICA-accredited ethical dealer. We’re the only gemstone wholesalers with huge immediate stock availability in each of our UK & USA showrooms. In the UK we are in London's Hatton Garden and Birmingham’s Jewellery Quarter.We specialise in Precious and also semi-precious gemstones ranging in various qualities and also we do calibrated melee in all gemstones ranging from different sizes. CR GEMS is a one stop shop for all your gemstone needs.