Centring on a cushion-shaped fancy greenish blue diamond weighing 3.01 carats, decorated with pear-shaped diamonds, highlighted with brilliant-cut pink diamonds extending to the shank, the diamonds and pink diamonds totalling approximately 4.85 carats, mounted in 18 karat white and pink gold. Ring size: 6½

GIA report numbered 2136678350, dated 25 November 2014, stating that the diamond is 3.01 carats, Fancy Greenish Blue colour, Internally Flawless clarity.

Only an extremely small portion of all diamonds mined every year are coloured diamonds. Their rarity lures seasoned collectors, who are knowledgeable about the quality, price and market and would seize every opportunity to collect these exquisite gems. The apparent imbalances in demand and supply of these precious coloured diamonds bring about the rational surge of the price, while high-quality stones often fetch extraordinary prices at auction.
This autumn, China Guardian （Hong Kong） presents two extremely rare diamonds. The 3.01 carat Natural Fancy Greenish Blue Internally Flawless Diamond, Pink Diamond and Diamond Ring and“A Ray of Hope-The Ember Diamond”- Magnificent 1.26 carat Fancy Reddish Orange Diamond and Diamond Ring.

Fancy Greenish Blue Diamond
The color of the Blue Diamond comes from the presence of Boron in the diamond, often accompanied by gray and green secondary colors. The blue Diamond is located in Africa’s largest Premier. More than one carat of blue diamonds has only one piece per annual output.
According to The Smithsonian Museum of Natural History estimates that only 1 in 200,000 diamonds discovered has a hint of blue. Blue diamonds are extremely rare and exquisitely beautiful. This special combination has made them coveted by diamond lovers and jewelry connoisseurs.
This season, China Guardian （HK） is pleased to present a 3.01-carat Natural Fancy Greenish Blue Internally Flawless Diamond, Pink Diamond and Diamond Ring. As rare blue diamonds keep achieving record prices on the international market, this stone combining blue and green, two of the rarest colours in diamonds, as well as internally flawless （IF） clarity and a weight of over 3 carats, the Fancy Greenish Blue Diamond promises to be an invaluable and most treasured addition to any top gen collcetion.

Price estimate:
HKD: 7,200,000 - 8,000,000
USD: 917,200 - 1,019,100

Auction Result:
HKD : --