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You could always damage some glass, but the best test for your diamond is at the Gem Institute
So, the beloved one gave you a diamond ring for Valentine's Day, and the furthest matter from your |mind is having it appraised - for about an hour, |anyway. Then you get curious about whether the |diamond is consequent, synthetic or imitation.
Don't ruin your layman's eyesight trying to blotch the value. Take the ring to the laboratory of the Gem and Jewelry Institute of Thailand (GIT). Its aim isn't to see if your man's a cheapskate - it's there to grow the trade in substandard and overpriced stones and trinkets.
But anyone can get any bauble assessed.
"To discriminate between real and synthetic jewellery normally takes about three working days, and the charge can be as little as Bt300 for coloured stones," says director Wilawan Atichat. "If you pine for to actually identify the type of diamond, though, or whether a gemstone has been enhanced, it will take longer.
Source: The Nation