(PRESS RELEASE) The World Jewellery Confederation (CIBJO), the American Gem Trade Association (AGTA) and the International ...

Through her gem portfolios, Hangartner works with clients to use gemstones for wealth preservation. With the diamond market in turmoil, only exceptional stones in size and quality, especially coloured ...

The red color is caused by traces of chromium. Corundum also forms sapphire in many colors, which generally come from trace mixtures of iron, titanium, and chromium. Emeralds are formed of a ...

Couples are exploring the world of coloured gemstones to add individuality and uniqueness. Gemstones reflect love stories, personalities, and bold style statements. They carry a story and its ...

I therefore decided to combine these two elements and integrate with baguettes and differing shades of coloured sapphires to form the collection.’ The jewellery, which includes seductive rings and ...

5.3 x 5.3 cm. (2.1 x 2.1 in.) ...