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Round|Lab Grown|IGI

1.02ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG811645691

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811645691

Diamond specifications and retailer prices

From £130 GBP
$174 USD
As of October 30, 2026
Save £545 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £675 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.02ct lab-grown round diamond

This 1.02ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811645691 or 811645691. Listed at 14 retailers as of October 26, 2026, with prices from £130 to £675, a £545 spread on the same certified stone. MOH London lists it at £675. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811645691
Dimensions6.45 × 6.41 × 3.98 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
6.45 mm6.41 mm1.02 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811645691
Side View
Table 56.0%Crown 35.1°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.9%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £675 GBP|Low: £130 GBP|High: £682 GBP|Avg: £348 GBP|+3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 12£130 GBP
Retailer 5£144 GBP
Retailer 3£219 GBP
Retailer 9£248 GBP
Retailer 7£250 GBP
Retailer 2£252 GBP
Retailer 8£263 GBP
Retailer 4£302 GBP
Retailer 10£352 GBP
Retailer 14£398 GBP
Retailer 6£454 GBP
Retailer 11£490 GBP
Retailer 13£505 GBP
MOH London£675 GBP

42 data points across 14 retailers

14 retailers£130 GBP to £675 GBP

A
Cheapest Retailer
-
£130 GBP
$174 USD
Final sale: no returns
A
Retailer 2
-
£144 GBP
$193 USD
View
A
Retailer 3
-
£219 GBP
$293 USD
View
A
Retailer 4
-
£248 GBP
ZAR 5,360 ZAR
View
A
Retailer 5
-
£250 GBP
View
B+
Retailer 6
-
£252 GBP
View
B+
Retailer 7
-
£263 GBP
$353 USD
View
Retailer 8
-
£302 GBP
$405 USD
View
Price last confirmed 24 days ago
B+
Retailer 9
-
£352 GBP
A$725 AUD
View
B+
Retailer 10
-
£398 GBP
SGD 720 SGD
View
B
Retailer 11
-
£471 GBP
$631 USD
View
B
Retailer 12
-
£490 GBP
$656 USD
View
B
Retailer 13
-
£505 GBP
$676 USD
View
Most Expensive
B
MOH London
LG811645691 · Oct 26
£675 GBP
View
13 more retailers have this diamond
Prices start from £130 GBPSave up to £545 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
1.02ct Round
£130 GBP