Justine Carmody

The Gemmological Association of Great Britain, also known as Gem-A, is the world's longest established provider of gem education. The private company is based in London, UK and was founded in 1908 by Samuel Barnett. The British company offers an online short course called GemIntro that teaches the fundamentals of gemmology. The course costs £220 and provides six months of access to their online platform. The CEO is Alan David Hart.

Theo Fennell Ltd. engages in the design, manufacture and retailing of jewelry. It also offers a range of silver objects and gifts. The firm allows its customers to buy online through its owned website. It designs and exports the rings, lockets, bangles and watches to the international market. The company was founded by Alister Theodore Fennell in 1982 and is headquartered in London, the United Kingdom.