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Round|Lab Grown|IGI

8.25ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG830644266

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830644266

Diamond specifications and retailer prices

From £833 GBP
$1,116 USD
As of October 29, 2026
Save £4,002 GBP (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,835 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 8.25ct lab-grown round diamond

This 8.25ct 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 LG830644266 or 830644266. Listed at 13 retailers as of October 29, 2026, with prices from £833 to £4,835, a £4,002 spread on the same certified stone. With Clarity lists it at £4,835. 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

8.25
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830644266
Dimensions12.89 × 12.99 × 7.99 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
12.89 mm12.99 mm8.25 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830644266
Side View
Table 55.0%Crown 33.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

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 29
Current: £1,791 GBP|Low: £833 GBP|High: £5,555 GBP|Avg: £2,384 GBP|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
October 31, 2026
Retailer 11£833 GBP
Retailer 9£907 GBP
Retailer 5£1,269 GBP
Retailer 3£1,369 GBP
Retailer 7£1,538 GBP
Retailer 1£1,791 GBP
Retailer 12£1,811 GBP
Retailer 10£1,961 GBP
Retailer 8£1,963 GBP
Retailer 2£2,847 GBP
Retailer 6£3,122 GBP
Retailer 4£4,531 GBP
With Clarity£4,835 GBP

37 data points across 13 retailers

13 retailers£833 GBP to £4,835 GBP

A
Cheapest Retailer
-
£833 GBP
$1,116 USD
A
Retailer 2
-
£907 GBP
$1,215 USD
View
A
Retailer 3
-
£1,269 GBP
View
A
Retailer 4
-
£1,369 GBP
$1,834 USD
View
A
Retailer 5
-
£1,538 GBP
€1,962 EUR
View
B+
Retailer 6
-
£1,791 GBP
A$3,691 AUD
View
A
Retailer 7
-
£1,811 GBP
$2,427 USD
View
B+
Retailer 8
-
£1,961 GBP
$2,627 USD
View
B+
Retailer 9
-
£1,963 GBP
$2,630 USD
View
B+
Retailer 10
-
£2,847 GBP
$3,815 USD
View
B+
Retailer 11
-
£3,122 GBP
View
Retailer 12
-
£4,531 GBP
SGD 8,205 SGD
View
Price last confirmed 18 days ago
Most Expensive
B
With Clarity
830644266 · Oct 31
£4,835 GBP
$6,478 USD
View
12 more retailers have this diamond
Prices start from £833 GBPSave up to £4,002 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
8.25ct Round
£833 GBP