LG 07, 14 Greville Street , LONDON, GREATER LONDON, United Kingdom, EC1N 8SB
Solitaire Gemmological Laboratories Ltd. (SGL) is an independent international gem testing laboratory. Trusted by jewellers and consumers alike, reports by Solitaire Gemmological Laboratories represent the highest standards of reliability, consistency and integrity. With our commitment to high certification standards we serve the interests of the gems and jewellery industry and support gemmological research worldwide through our centres in the United Kingdom and India. A Solitaire Gemmological Laboratories certificate offers unmatched assurance of a diamonds quality and authenticity.
The National Association of Jewellers
Head Office: Federation House
10 Vyse Street
Birmingham, B18 6LT, UK
London Office: 45 Britton Street, London EC1M 5NA