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8.12ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG837603865

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837603865

Diamond specifications and retailer prices

From £989 GBP
$1,325 USD
As of October 31, 2026
Save £4,959 GBP (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £5,948 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 8.12ct lab-grown round diamond

This 8.12ct 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 LG837603865 or 837603865. Listed at 3 retailers as of October 28, 2026, with prices from £989 to £5,948, a £4,959 spread on the same certified stone. Brilliant Earth lists it at £5,948. 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

8.12
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837603865
Dimensions13.10 × 13.13 × 7.75 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.10 mm13.13 mm8.12 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837603865
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £5,948 GBP|Low: £989 GBP|High: £5,948 GBP|Avg: £2,972 GBP
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3£989 GBP
Retailer 2£1,514 GBP
Brilliant Earth£5,948 GBP

32 data points across 3 retailers

3 retailers£989 GBP to £5,948 GBP

A
Cheapest Retailer
-
£989 GBP
$1,325 USD
Final sale: no returns
A
Retailer 2
-
£1,514 GBP
View
Most Expensive
B
Brilliant Earth
21386804A · Oct 28
£5,948 GBP
$7,970 USD
View
2 more retailers have this diamond
Prices start from £989 GBPSave up to £4,959 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
8.12ct Round
£989 GBP