Diamonds are the treasures that every woman dreams of. South Africa's Petra Diamonds recently discovered a blue diamond weighing 29.6 carats. It is estimated that the market auction price will be between 15 million and 20 million US dollars.
This diamond has a bright color and a high degree of saturation. Blue diamond is a kind of colored diamond, very rare, and is highly sought after by the market. A 25.5-carat blue diamond auctioned by Petra in April last year was sold for $16.9 million, creating the company's history at a price of $663,000 per carat.
Seam Sealing Tape,Waterproof Seam Tape,3M Seam Sealer Tape,Seam Seal Waterproof
NEW POWER INDUSTRIAL Co., Ltd , https://www.newpowerhk.com