SJWGems' Profile


SJW Gems specializes in Gold Sheen Sapphire and Ruby Cabochons. Gold Sheen Sapphire is a new variety of sapphire that was discovered in 2012 by Mr Tanzim Kahn. SJW Gems in partnership with Mr Kahn has direct access to the only supply of Gold Sheen Sapphire in the world.

Gold Sheen Sapphire has been independently recognized by the most prestigious gemological laboratories in the world, including the GIA, GRS Switzerland, AIGS Thailand, EMIL Japan, Gemological Association of Great Britain and Gubelin Switzerland.

With a cutting factory located in Bangkok, SJW Gems can cut Gold Sheen Sapphire to any specification, calibrated or customer sizes.

In addition to Gold Sheen Sapphire, SJW Gems has secured a large amount of rough ruby from Mozambique mines. This ruby offers consistent plum red and rose colour cabochons from small to 50 carat plus sizes. Colour consistency can be reliably matched for any batch sizes up to hundreds of pieces. As with Gold Sheen Sapphire, rubies can be cut by the Bangkok factory to any size and specification.

SJW Gems was founded in Australia by Mr Steve Waddington in 2012. The company currently operates in Australia, Bangkok, Hong Kong, Europe and the USA with offices in Perth, Hong Kong and Tallinn. Mr Waddington was a highly recognized communications engineer in Australia and an avid gem collector for many years before founding SJW Gems. He has GIA accredited training in coloured gemstones.

In addition to specialization in Gold Sheen Sapphire and rubies, SJW Gems offers services in sourcing any type of gemstone, gem market tours and assistance to buyers to source the best stones at the best price. Customers of SJW Gems include award wining designers, jewelers and private collectors from around the world.


Natural Ruby Gold Sheen Sapphire