6.78ct F VVS1 Cushion Lab Grown Diamond
ID • F/VVS1 • IGI LG806611727
Shape and cutting style on the report: Square cushion modified brilliant
Certificate IGI LG806611727
Diamond specifications and retailer prices
About this 6.78ct lab-grown cushion diamond
This 6.78ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG806611727 or 806611727. Listed at 17 retailers as of November 1, 2026, with a 269% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.
The 4Cs
Specifications
Caratlytics Score
How it works →17 retailers
Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.
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