Neth Gems & Rings, We are certified in Australia and Sri Lanka as a Gem and Jewellery company, and specialise in fine grade loose sapphires for bespoke and fine jewellery. Neth Gems stones are natural, unheated, with no treatments to enhance their appearance. Nature at its best. Neth Gems stones such as Sapphires, Alexandrite, Garnet, Tourmaline, Topaz, Zircon, Amethyst, Citrine, Moonstone, Spinel, Aquamarine, and we do custom-made fine jewellery pieces and crafted products such as promise rings, engagement rings, wedding rings, celibacy rings, fashion jewellery, tiaras, earrings, hairpins, pendants, bangles, bracelets, rings, thumb rings, anklets, and toe rings that are shipped worldwide.