cuts, and certifications. Gemologists grade gemstones based on the Four Cs - colour, clarity, cut, and carat (weight). With colours, while most diamonds are colourless, other gemstones are not.
The gem faceting machine market is steadily growing, reaching a valuation of USD 849.8 million in 2024 and projected to rise ...
“It was perfect,” she said. Jean-Noel Soni founded Top Notch in 2009, focusing his one-man business on distinctive cuts for colored gemstones. He didn’t want to produce familiar shapes such ...
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