Lab also rolling out new comments clarifying impact of fluorescence.
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Company has previously financed its mining projects mainly through internal sources.
Truck carrying gold, diamonds, gemstones and watches to California trade show was robbed in 2022.
Emmanuelle Nodale will become brand CEO, replacing Céline Assimon, who left in February.
Diamond trade gathered in New York to discuss marketing, lab-grown diamonds and traceability.
HRD Antwerp will still issue reports for mounted stones in jewelry.
Sale totals $87.7 million, setting several records.
The trade seems split on recent campaigns that shine a negative light on lab-grown.
Yellow-diamond ring is top seller, fetching $152,400.
New York laboratory explores how ultraviolet light can trigger a shift from blue to yellow in lab-grown stone.
3.03-carat diamond ring was expected to make $1.6 million.