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Radiant|Lab Grown|IGI

8.57ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG849658489

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

Certificate IGI LG849658489

Diamond specifications and retailer prices

From £1,264 GBP
As of November 2, 2026
Save £2,149 GBP (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,413 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 8.57ct lab-grown radiant diamond

This 8.57ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG849658489 or 849658489. Listed at 5 retailers as of November 2, 2026, with prices from £1,264 to £3,413, a £2,149 spread on the same certified stone. MOH London lists it at £3,413. 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

8.57
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849658489
Dimensions15.15 × 10.21 × 6.64 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.15 mm10.21 mm8.57 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849658489
Side View
Table 73.0%Crown 42.4°Girdle: MediumPavilion 38.6°CuletDepth 65.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £3,413 GBP|Low: £1,192 GBP|High: £107,390 GBP|Avg: £8,664 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3£1,264 GBP
Retailer 5£1,683 GBP
Retailer 4£1,684 GBP
Retailer 2£1,935 GBP
MOH London£3,413 GBP

11 data points across 5 retailers

5 retailers£1,264 GBP to £3,413 GBP

A
Cheapest Retailer
-
£1,264 GBP
B+
Retailer 2
-
£1,683 GBP
$2,259 USD
View
B+
Retailer 3
-
£1,684 GBP
$2,260 USD
View
A
Retailer 4
-
£1,935 GBP
$2,596 USD
View
Most Expensive
B
MOH London
LG849658489 · Nov 3
£3,413 GBP
View
4 more retailers have this diamond
Prices start from £1,264 GBPSave up to £2,149 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
8.57ct Radiant
£1,264 GBP