Star Lanka

96.53ct Padparascha Peach Tourmaline

admin — Thu, 26 Jan 2012 08:38:17 +0000

This is a beautiful Padparascha color rare tourmaline from Mozambique at an enormous size of 96.53ct. This gemstone color is very rare and you can see this gemstone at the Hong Kong jewelry fair this February 2012.

25.86ct Hot Pink Tourmaline Cushion

admin — Thu, 26 Jan 2012 08:35:54 +0000

A beautiful hot pink tourmaline was cut from a 57ct rough from Mozambique. This beautiful piece was sold just the day we finished polishing it. This is just a beautiful gemstone.

Big Clean Natural Green Tourmaline Rough Mozambique

admin — Thu, 26 Jan 2012 08:18:56 +0000

These are the new parcel of Clean big size green tourmaline from Mozambique and have got unbelievable clarity in the gemstone. These mines have started to have Nigerian like tourmaline material which were rare to see from Mozambique. These stones have fine formation and change very well in color if Heat Treatment is done to them.

The 400 Million Dollar Bahia Emerald – Premiers on 29th Jan on NGC

admin — Tue, 24 Jan 2012 07:45:55 +0000

The “Bahia” emerald will be premier on National Geographic Channel on 29 January.

Information about the emerald

It weighs at a stagering 1,800,000 carats. Where emerald are sold at 1000+ US$ per carat. This enormous emerald was found in 2001 and was appraised for more than 400 million US$. They were found by miners deep in the jungle where there was no transportation and carrying back this huge emerald was very difficult for the miners, in which they came across various natural dangers and thief’s before they arrive at USA. The Bahia Emerald has got a very fascinating story to it and I would highly recommend you to watch the National Geographic premier on Explorer this weekend.

If you are not aware of Bahia, it is a province in Brazil and this gemstone has many importance to it and a big story behind it as people struggle for making hold of this gemstone.

View Larger Map

For more information about the emerald please check www.thebahiaemerald.com

Below is a sneak peak of the show.

Gemstone Enhancements in Detail – Synthetic Overgrowth

admin — Mon, 23 Jan 2012 10:37:27 +0000

This is our Detailed explanation of Gemstone enhancements and treatments. In this section we are going to read about Synthetic Overgrowth.

The surface of these stones frequently show many small cracks, presumably derived from a difference in the properties of the natural stone and the synthetic overgrowth layer.

Main types of treatments that I recommend you to continue reading are:

Heat Treatment

Irradiation Treatment

These are some of the treatments that are done most commonly in the trade.