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Koh-I-Noor mystery

The Koh I Noor is probably one of the most mythical diamonds of the History.

The ownership of the Bahia emerald at controversy

Known as the biggest emerald in the world, this "green gold" weights 38 kilos i.e. 180 000 carats and is valued 400 million dollars.

Sotheby's is showing a 100.20-carat white diamond in Dubai

Sotheby's is currently presenting one of the most beautiful white diamonds of more than 100 carats seen on the market for the past 25 years.

A fake Akoya pearl embellished dress stolen at the Oscars in Hollywood

The actress Lupita Nyong’o got her Oscar dress stolen and returned

Blue zircons from Ratanakiri, Cambodia

The most beautiful zircons are from Ratanakiri, Cambodia

Spinel of Mogok : the rising gemstone

The main change I can see in Mogok is that the prices of gemstones have peaked locally and throughout Burma

Mogok, the ruby valley in Burma

Since Joseph Kessel and his book "La Vallée des Rubis", Mogok has changed very little.In Mogok, the fever for gemstones is a habit that has been lasting for ages

The Jade Market in Mandalay in Burma-Myanmar

The so called “jade market” in Mandalay, in Upper Burma, is a fascinating place. All these craftsmen working the jade (jadeite variety) are gathered together in a closed market

Exceptional 232 carats white diamond found at Cullinan Mine in South Africa

The British company Petra Diamonds recently said it had uncovered an "exceptional" 232 carats (46 grams) white diamond at its Cullinan mine

Famous diamonds : The Imperial Russian diamond named Orlov

The Orlov has a fantastic history and its uncertain origin reads like a myth. According to tales, this diamond used to be found on a sacred Hindu statue

Insecurity threatens Pakistani gemstone business

Last year the export of precious stones has fallen at an alarming rate due to ongoing political instability, security crisis and energy problems

Van Cleef & Arpels : The magic of fine jewellery makes the Donkeyskin fairytale come true

Ever since its birth in 1896, the French jewellery House Van Cleef & Arpels is renowned for the poetry and dreaminess of its designs, mainly inspired by nature, fantasy and mythology

Interview with Victor Tuzlukov, an incredible pearl cutter

At the 2014 edition of the Sainte Marie aux Mines gem show (France), Patrick Voillot met Victor Tuzlukov and discovered his incredible cutting expertise

Mineral Gem 2014 edition: precious stones at Sainte-Marie aux Mines

Gems News: More than 1 000 exhibitors from 50 countries showed this year

Mineral Gem 2014 edition: minerals and gemstones at Sainte-Marie aux Mines

More than 1 000 exhibitors from 50 countries showed this year and some tens of thousands of visitors

The Cullinan mine’s winning blue diamond

Friday 13th June 2014 was a lucky day for Petra Diamonds : the day of the discovery of a 122.52 carat-blue diamond

The fascination for the

The 45-carat "Hope" diamond is the biggest blue diamond known today

The “Regent”, the French royal diamond

The “Regent” is famous for its mesmerizing beauty and purity, its weight of 140.5 carats and for telling the last twists and turns of the French Monarchy

The diamonds, rubies and emeralds of the Treasure of Naples

The Musée Maillol in Paris presents until July 20th, 2014 some of the most precious pieces of the Treasure of Naples

The « Grand Condé » A pear shape diamond in the heart of an apple

The “Grand Condé”, a pear-shaped light pink diamond, is said to come from the historical Indian mines of Kollnur in the Golconda region

Famous diamonds : The Last Diamond… The Florentine

The Florentine, a legendary diamond is celebrated this week with the release of the movie “Le Dernier Diamant”

Famous diamonds : a royal diamond, the Penthièvre

Its history is closely linked to the fall of the French monarchy...

Ringwoodite diamond : an ocean twenty thousand leagues under the continents

A treasured diamond of less than one carat was recently found in Brazil; it features a tiny inclusion full of promises and rich in information called ringwoodite

Somewhere over the fancy diamond Rainbow Collection

Eddy Elzas' unique and world known collection of coloured diamonds displayed at the Harry Oppenheimer Diamond Museum

Indian jewels : masterpieces of moghol treasures

During a wedding in Jaïpur, extraordinary moghol pieces came back to light

The Blue amber from the Dominican Republic

Amber is a fascinating organic material that is extremely light ( it floats on salt water) and is found in the Dominican Republic

Gem & Mineral 2013 Sainte-Marie aux Mines

How do you choose a gemstone?

Color is one of the most important characteristics of a gemstone; it is also quite often the criterion for choosing a precious stone.

Having your gemstone mounted on a ring

How to set up the mounting of your gemstone on a ring

Birthstone : the gemstone of the month of birth

Birthstone : which gemstone matches with my month of birth?

The precious stone of the wedding anniversary

Which precious stone shall fit to which anniversary?

Types of gems cutting

The main types of cut of a gem

Certificates of authenticity

The certificate delivered is a true "identity card" with the characteristics of the stone.

The purity of diamonds and gemstones

An internationally agreed codification for diamonds...

Color of the Diamonds

Color scale of diamonds

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