The Diamond Certification Laboratory of Australia (DCLA)
Buy and sell diamonds with the help of the experts
The record breaking price achieved at Christie’s in Geneva for the D flawless pear shape which sold for $254,400 per carat, $26.7 million total.
20 lots sold for prices exceeding $1 million each, and the new owner Harry Winston helped the Magnificent Jewels sale realise $102.14 million total sales.
"A perfect diamond commands a perfect price," Christie’s
Two diamonds were sent to three Accredited Valuers for valuation.
The synthetic diamond pendant had valuations ranging from $4330 to $5700, which is up to $5100 more than its true value.
The man-made diamond ring ranged from $5350 to $6200, which is $5000 more than it’s worth.
The Laboratory created man-made diamonds cost $600 and $1200. Neither of the Synthetics were identified as by any of the Accredited Valuers.
Synthetic diamonds can be created in laboratories by machines that work around the clock to replicate what occurs in nature, subjecting graphite carbon to extreme pressure and temperatures of up to 1500C, machines are able to produce a synthetic diamond in just a few days.
Or by Chemical vapour deposition (CVD) used to produce a synthetic diamond by creating the circumstances necessary for carbon atoms in a gas to settle on a substrate in crystalline form in a matter of hours.
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25.5 carat blue Diamond recovered by Petra Diamonds at its famous Cullinan mine in South Africa.
The diamond is a rare blue colour and Petra says the stone is considered to be a “high quality gem diamond of top colour”. Which could fetch more than $10m (£6.5m)?
The World renowned Cullinan mine is known for its large diamonds, including the Great Star of Africa which was discovered at the mine in 1905.
After Red and Purple, Blue diamonds are one of the rarest and most expensive of all diamonds and Cullinan is one of the largest producers of the stones,
Fancy Coloured diamonds are in high demand and because of their rarity are breaking record prices at auctions like Christies in New York earlier this week. Where the 34.65 carat Pink diamond from India sold for $39.3m, or $1.13m per carat.
Christie’s New York is selling the Princie Diamond, a large fancy intense pink diamond from the Golconda region in India.
The 34.65 ct Cushion cut, fancy intense pink stone was originally owned by the royal family of Hyderabad. (Hyderabad where Rulers of the wealthiest provinces of the Mughal Empire.)
The Princie Diamond carries a fabulous provenance and a rich history. This combined with its rare pink colour will attract collectors seeking the best diamonds available today.
After 50 years the diamond will reappear at uk Christie’s auction, and experts expect it to sell for $30 to $40 million USD.
A 239.2 carat diamond recovered from Karowe mine has been recovered. Lucara Diamond Corporation reported two more exceptional stones were recently found at the mine.
This makes the 239 carat stone is one of the largest diamonds ever to have been recovered from the highly prolific Orapa kimberlite field in Botswana in over 40 years of production.”
The diamonds will be sent to Antwerp to be sold later this year.
Synthetic diamonds have penetrated the world’s biggest diamond cutting and polishing center in Surat, becoming a major cause of concern for the industry leaders.
Educating diamond manufacturers and traders about the threat that synthetic diamonds pose to the diamond industry. As well as the importance of the, disclosure, differentiation and detection. Is of paramount importance for the Gems and Jewellery Export Promotion Council (GJEPC).
The objective is to create awareness among the diamond manufacturers, especially the diamond traders about the lab grown diamonds.
Synthetic diamonds are becoming increasingly popular, as aside from the growth structure of natural origin they are exactly like natural diamonds.
Police in Brussels report that a group of masked, armed men cut through a security fence at the Brussels airport on Monday night, drove their vehicles onto the tarmac and took the diamonds from a security van waiting to load the cargo onto a plane bound for Switzerland.
Authorities say the robbers completed their theft within minutes, with no shots fired. The thieves have escaped with a cache of diamonds worth at least $50 million, in a daring airport heist. Police found the thieves burned-out vehicle near the airport.
The Antwerp World Diamond Centre confirmed the value of the stolen diamonds, telling the French news agency it is one of the biggest diamond thefts of all time.
Alrosa Russian diamond miner recovered a 145.44 ct. diamond in the Yubileynaya Diamond Pipe in the Yakutia region of Russia in January.
The 145.44 ct octahedron shape stone may fetch $1 million when put up on tender or auction according to experts at Alrosa’s diamond sorting centre.
Rough buyers are competing for goods, this has driven up prices from Diamond Trading Company. Sight holders said that the assortment in sight boxes were better for the price.
The DTC first Sight of the year is being held this week, with sight holders reporting premiums. DTC boxes have sold to the trade at a 5 % + premiums.
The reason given for the robust demand for rough.is a reported shortage of better quality polished.
Demand for DTC goods has been low and premiums were either low single digits or non-existent. This is a welcome turnaround from the recent slow market.
DTC has expressed an interest in keeping prices in the market high.
The US$250 million De Beers has already spent on prospecting will yield a diamond deposit, the company is confident that it will find a diamond deposit in Angola.
De Beers has already found diamonds at the Mulepe concession, in Lunda Norte province; De Beers has a 49 percent share, Endiama hasthe remaining 51 percent.
In 2001 after its right to sell diamonds worth US$800 million was revoked, The De Beers group left Angola but returned in 2005.
According to the Kimberley Process, Angola sold 8.33 million carats of diamonds worth US$1.16 billion in 2011.