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Round|Lab Grown|IGI

8.41ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG819645759

Shape and cutting style on the report: Round brilliant

Certificate IGI LG819645759

Diamond specifications and retailer prices

From £1,131 GBP
$1,515 USD
As of October 31, 2026
Save £1,820 GBP (62%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,951 GBP at Brilliance · As of November 1, 2026
View at Brilliance

About this 8.41ct lab-grown round diamond

This 8.41ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG819645759 or 819645759. Listed at 4 retailers as of October 31, 2026, with prices from £1,131 to £2,951, a £1,820 spread on the same certified stone. Brilliance lists it at £2,951. 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

8.41
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819645759
Dimensions13.40 × 13.32 × 7.81 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.40 mm13.32 mm8.41 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819645759
Side View
Table 61.0%Crown 33.4°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 58.5%

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: Oct 31
Current: £2,951 GBP|Low: £1,131 GBP|High: £3,504 GBP|Avg: £2,259 GBP|-15.8%
Brilliance
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 2£1,131 GBP
Retailer 4£1,514 GBP
Retailer 3£2,722 GBP
Brilliance£2,951 GBP

15 data points across 4 retailers

4 retailers£1,131 GBP to £2,951 GBP

A
Cheapest Retailer
-
£1,131 GBP
$1,515 USD
Final sale: no returns
B+
Retailer 2
-
£1,514 GBP
$2,028 USD
View
B+
Retailer 3
-
£2,722 GBP
$3,647 USD
View
Most Expensive
B
Brilliance
D44588830 · Nov 1
£2,951 GBP
$3,954 USD
View
3 more retailers have this diamond
Prices start from £1,131 GBPSave up to £1,820 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
8.41ct Round
£1,131 GBP