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Radiant|Lab Grown|IGI

3.97ct H VS2 Radiant Lab Grown Diamond

EX • H/VS2 • IGI LG848611927

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG848611927

Diamond specifications and retailer prices

From £608 GBP
As of October 27, 2026
Save £2,892 GBP (83%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £3,500 GBP at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 3.97ct lab-grown radiant diamond

This 3.97ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG848611927 or 848611927. Listed at 2 retailers as of October 27, 2026, with prices from £608 to £3,500, a £2,892 spread on the same certified stone. Brilliant Earth lists it at £3,500. 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

3.97
Carat
H
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848611927
Dimensions10.92 × 7.90 × 5.36 mm
L/W Ratio1.38
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.92 mm7.90 mm3.97 ctH / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848611927
Side View
Table 67.0%Crown 45°Girdle: MediumPavilion 36.3°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £3,500 GBP|Low: £608 GBP|High: £3,500 GBP|Avg: £2,054 GBP
Brilliant Earth
Retailer 2
October 27, 2026
Retailer 2£608 GBP
Brilliant Earth£3,500 GBP

1 data point across 2 retailers

2 retailers£608 GBP to £3,500 GBP

A
Cheapest Retailer
-
£608 GBP
Most Expensive
B
Brilliant Earth
22321064A · Oct 27
£3,500 GBP
$4,690 USD
View
1 more retailer has this diamond
Prices start from £608 GBPSave up to £2,892 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.

A
3.97ct Radiant
£608 GBP