David Wein Fine Jewelry Store

David Wein is an online fine jewelry store associated with Multicolour Gems - one of the largest online retailers of gemstones. After almost 30 years of buying, collecting, cutting, selling, appreciating and studying gemstones, we decided to put our finest gems into your jewelry.

With a commitment to quality, detail and originality our mission is to create designs - some original and some more classical that highlight the stones with fashion and grace. All of our high end jewelry pieces are manufactured here in Bangkok under strict supervision and quality control by a European master goldsmith with over 50 years experience.

Alexandrite Gemstone Collectors Guide, The

The alexandrite gemstone buyer and collectors guide contains comprehensive information on the features and background of the alexandrite.

Many key aspects of alexandrite gemstone are discussed throughout this guide, from the history which affected the stone´s name to the color changing phenomena and its role in the gemstone´s value.

Readers can also learn the differences between natural and synthetic alexandrite, as well as find the answers for many common questions regarding alexandrite identification.

Madagascar Multicolor Gemstones Guide

Madagascar is the fifth largest island in the world. It measures 1,580 km from north to south, 450-580 km from east to west, and has a total area of 587,000 km

Madagascar is an extraordinary country – vibrant, exciting, frightening and fun, all at once.

Madagascar is home to some of the world’s richest untapped seams of pink sapphires, and as regular multicolour.com visitors will know, pink sapphires are among the hottest coloured gemstones to hit the market in recent years...