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Radiant|Lab Grown|IGI

4.89ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG850680409

Certificate IGI LG850680409

Diamond specifications and retailer prices

From £890 GBP
As of November 1, 2026
Save £2,193 GBP (71%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £3,082 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.89ct lab-grown radiant diamond

This 4.89ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG850680409 or 850680409. Listed at 2 retailers as of October 31, 2026, with prices from £890 to £3,082, a £2,193 spread on the same certified stone. Brilliant Earth lists it at £3,082. 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

4.89
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
Polish
Symmetry
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG850680409
Dimensions12.11 × 8.40 × 5.53 mm
L/W Ratio1.44
Top View
12.11 mm8.40 mm4.89 ctF / VS2
OriginLab Grown
CutExcellent
FluorescenceNone
CertificateIGI LG850680409
Side View
Table 67.0%CrownGirdlePavilionCulet: NoneDepth 65.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £3,082 GBP|Low: £890 GBP|High: £3,082 GBP|Avg: £1,986 GBP
Brilliant Earth
Retailer 2
November 1, 2026
Retailer 2£890 GBP
Brilliant Earth£3,082 GBP

3 data points across 2 retailers

2 retailers£890 GBP to £3,082 GBP

B+
Cheapest Retailer
-
£890 GBP
Most Expensive
C
Brilliant Earth
22363041A · Oct 31
£3,082 GBP
$4,130 USD
View
1 more retailer has this diamond
Prices start from £890 GBPSave up to £2,193 GBP

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.

B+
4.89ct Radiant
£890 GBP