4.89ct D IF Radiant Lab Grown Diamond
ID • D/IF • IGI LG689588237
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG689588237
Diamond specifications and retailer prices
About this 4.89ct lab-grown radiant diamond
This 4.89ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689588237 or 689588237. Listed at 25 retailers as of October 30, 2026, with a 334% 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 →25 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
- 4.89ct RadiantD/IFfrom £6,170across 14 retailersAs of October 30, 2026
- 4.89ct RadiantD/IFfrom £4,832across 5 retailersAs of October 30, 2026
- 4.88ct RadiantD/IFfrom £4,115across 27 retailersAs of October 30, 2026
- 4.88ct RadiantD/IFfrom £6,295across 24 retailersAs of October 30, 2026
- 4.88ct RadiantD/IFfrom £4,384across 21 retailersAs of October 29, 2026
- 4.86ct RadiantD/IFfrom £3,540across 17 retailersAs of October 30, 2026
- 4.86ct RadiantD/IFfrom £3,432As of October 30, 2026
- 4.85ct RadiantD/IFfrom £19,263As of October 29, 2026