4.07ct J IF Round Lab Grown Diamond
ID • J/IF • GIA 1226408781
Certificate GIA 1226408781
Diamond specifications and retailer prices
About this 4.07ct lab-grown round diamond
This 4.07ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1226408781. Listed at 3 retailers as of October 30, 2026, with a relatively tight 3% 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.
The 4Cs
Specifications
Caratlytics Score
How it works →3 retailers
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