4.99ct D FL Cushion Lab Grown Diamond

About this 4.99ct lab-grown cushion diamond

This 4.99ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7526984856. Listed at 10 retailers as of November 1, 2026, with a relatively tight 25% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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.