1.78ct D VVS1 Cushion Lab Grown Diamond
ID • D/VVS1 • IGI LG837640826
Shape and cutting style on the report: Cushion modified brilliant
Certificate IGI LG837640826
Diamond specifications and retailer prices
About this 1.78ct lab-grown cushion diamond
This 1.78ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837640826 or 837640826. Listed at 19 retailers as of November 1, 2026, with a 447% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.
The 4Cs
Specifications
Caratlytics Score
How it works →19 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.
Similar diamonds
- 1.78ct CushionD/VVS1from $436across 12 retailersAs of October 30, 2026
- 1.78ct CushionD/VVS1from $517across 11 retailersAs of October 30, 2026
- 1.78ct CushionD/VVS1from $384across 10 retailersAs of October 29, 2026
- 1.78ct CushionD/VVS1from $683across 8 retailersAs of November 1, 2026
- 1.78ct CushionD/VVS1from $662across 6 retailersAs of November 1, 2026
- 1.78ct CushionD/VVS1from $2,133across 4 retailersAs of October 31, 2026
- 1.78ct CushionD/VVS1from $2,133across 4 retailersAs of October 31, 2026
- 1.78ct CushionD/VVS1from $791As of October 30, 2026