These sre natural precious and semiprecious gems stones from Sri lanka. All are natural stones . We can supply according to buyers requirement. There are individual precious gemstones available with certificate from Sri Lankan Gem Authority. Eg Blue sapphires, rubies, yellow sapphires, and Alexandrite. Semi precious stones lots available for jewellery manufactures. Customer should give their specification as they required. Expensive stones like rubies , sapphires are marketing according to carat weight, colour and grading of the stone with a certificate. Any customer like to see the stone with his own eys, we can arrange the visit to Sri lanka and bye it from the original supplier. Payment methods are bank transfer with LC. Shipping port is Sri Lanka Colombo.