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Table Of Contents
In-Depth
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Cover
’Tis the season
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A winter’s sale
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Inventory imbalance persists
Strong sales staying steady
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The final cut
Sinfully good
In-Depth
Authentication station
A look at some of the testing devices on the market, courtesy of the NDC’s Assure program.
By Leah Meirovich
Image: De Beers
Alrosa: Diamond Inspector
Russian mining giant Alrosa’s Diamond Inspector is a portable verification machine with a $5,799 price tag. The device can test stones from 0.03 to 10 carats in any shape, with a color range from D to J, and can distinguish natural diamonds from lab-grown and simulants. It has a 96.4% diamond accuracy rate — the percentage of diamonds it correctly categorizes as such — and can test up to 24 stones per hour.
alrosa-inspector.com
De Beers: DiamondView
A desktop instrument, the DiamondView is typically used to examine stones that have been referred for further testing, and requires an operator to interpret the results. The device can check loose stones and some mounted ones between 0.05 and 10 carats in all colors and shapes. DiamondView can differentiate between natural and lab-grown stones, but does not detect simulants. Priced at $35,000, it can test up to 112 stones per hour and has a 100% accuracy rate.
debeersgroupservices.com/instruments
DRC Techno: J Detect 9000
This desktop diamond verification system tests loose and mounted goods to determine if they are natural or lab-grown, but does not detect simulants. The J Detect 9000 can recognize stones over 0.003 carats, in colors from D to K. It has a diamond accuracy rate of 81.4%, can test up to 679 stones per hour, and costs $9,999.
drctechno.com
Presidium: ARI
ARI is a portable verification system for loose and mounted D to J stones weighing 0.02 carats and above. The instrument can identify natural and synthetic diamonds, as well as moissanite, but not other simulants. It can test up to 185 stones per hour, with a diamond accuracy rate of 95.5% and a false positive rate of 6%. It sells for approximately $1,335.
presidium.com.sg
De Beers: SynthDetect
SynthDetect can distinguish both loose and mounted natural diamonds from synthetics and simulants. The desktop machine, which requires an operator to interpret the test results, works with stones between 0.001 and 100 carats, ranging in color from D to J. It has a diamond accuracy rate of 99.3%, can test up to 583 stones per hour, and sells for $18,500.
debeersgroupservices.com/instruments
DRC Techno: J Smart
A desktop system, J Smart identifies loose or mounted D to K stones of 0.003 carats and above. It is designed to separate synthetic and natural diamonds. Valued at $22,499, the machine can test 1,103 stones per hour, with an accuracy rate of 88% and a false positive rate of 10.6%.
drctechno.com
OGI: Diatrue CS
The Diatrue CS is a desktop instrument that separates loose and mounted natural diamonds from lab-grown and simulants. The system works with D to J stones of 0.005 carats and over, checking up to 201 stones per hour. It boasts a diamond accuracy rate of 93.7% and a false positive rate of 4%, and costs $5,985. diatrue.com;
ogisystems.com
Presidium: Synthetic Diamond Screener II
This portable and desktop-mountable system can test stones of any shape as long as they have a flat surface. The device can distinguish between lab-grown and natural D to J diamonds of 0.02 to 10 carats, but cannot identify simulants. It has a diamond accuracy rate of 84.5% and a 0% false positive rate. It can test up to 240 stones per hour and costs approximately $645.
presidium.com.sg
SmartPro: Screen-1
The Screen-1 is a portable device for loose and mounted D to J stones between 0.01 and 12 carats. It can separate natural from lab-grown diamonds, but does not identify simulants. Priced at $639, the machine can test up to 283 stones per hour. It has a diamond accuracy rate of 89.5% and a false positive rate of 0%.
smartproinstrument.com
DRC Techno: J Mini
This portable system works on both loose and mounted D to K stones of 0.003 carats or more. The J Mini can identify lab-grown and natural diamonds, but not simulants. It has a diamond accuracy level of 93.9% and a false positive rate of 15.6%. The machine sells for $6,499 and can test up to 935 stones an hour.
drctechno.com
GIA: iD100
A portable device for identifying loose and mounted natural and synthetic diamonds and simulants, the GIA iD100 costs $5,495 and can test D to J stones weighing 0.005 carats and above. The machine has a false positive rate of 0% and a diamond accuracy rate of 96.7%. It can check up to 183 stones per hour.
gia.edu/id100
Yehuda: Sherlock Holmes
This portable desktop device can test loose and mounted D to K stones of any carat weight to determine if they are natural or synthetic. The system costs $6,495 and requires an operator to interpret the results. It can check up to 530 stones per hour, with a diamond accuracy rate of 97.5% and a false positive rate of 0%.
yehuda.com
Gemlogis: Belize
Gemlogis Belize is a portable verification method that uses a double-probe-tip testing method to separate natural diamonds from lab-grown and simulants. It can test samples from 0.02 carats and up, from D to J in color. Priced at $999, the system can check up to 195 stones per hour. It has a diamond accuracy rate of 92.3% and a false positive rate of 0%.
gemlogis.com
De Beers: DiamondSure
DiamondSure tests both loose and mounted stones and is designed to separate natural diamonds from synthetics. The portable machine can test 0.05- to 10-carat, D to J stones in any shape. Retailing for $18,200, it can check up to 193 stones per hour and has a diamond accuracy rate of 95.3%.
debeersgroupservices.com/instruments
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