The "gold standard" for natural diamonds, known for the strictest grading.
Prioritize this above all else. A "Super Ideal" or "Excellent" cut ensures light reflects correctly rather than leaking through the bottom. Retailers like Whiteflash specialize in these precision-cut stones.
The industry leader for lab-grown diamonds .
How to Verify Lab Grown Diamond Jewellery Authenticity Online
Since you cannot physically hold the stone, rely on high-definition visual evidence: