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Latest from the blog

GIA Premium vs IGI 4Cs: pricing mixed lab-grown inventory

GIA now rates lab-grown stones Premium or Standard while IGI still issues full 4Cs. How to price, list and compare the report formats sitting in your stock.

Diamond tariffs 2026: what origin adds to a quote

Diamond tariffs in 2026: US duty on polished turns on where a stone was cut, and the EU wants an origin statement above 0.50ct. What that costs a quote.

Diamond price by shape: the 2026 elongated premium

Marquise, pear and oval now ask above round per carat in the bridal band, while cushion and asscher sit 30% below. The fancy category has split in two.

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