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Round|Lab Grown|IGI

1.40ct G VS2 Round Lab Grown Diamond

EX • G/VS2 • IGI LG804642978

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804642978

Diamond specifications and retailer prices

From £138 GBP
$184 USD
As of October 29, 2026
Save £669 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £807 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.4ct lab-grown round diamond

This 1.4ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG804642978 or 804642978. Listed at 18 retailers as of October 29, 2026, with prices from £138 to £807, a £669 spread on the same certified stone. MOH London lists it at £807. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804642978
Dimensions7.18 × 7.13 × 4.39 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
7.18 mm7.13 mm1.40 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804642978
Side View
Table 60.0%Crown 34°Girdle: Slightly ThickPavilion 41.1°Culet: NoneDepth 61.3%

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: £807 GBP|Low: £136 GBP|High: £832 GBP|Avg: £394 GBP|-2.9%
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
Retailer 15
October 30, 2026
Retailer 9£138 GBP
Retailer 5£172 GBP
Retailer 14£303 GBP
Retailer 8£310 GBP
Retailer 10£324 GBP
Retailer 2£355 GBP
Retailer 11£363 GBP
Retailer 13£384 GBP
Retailer 7£448 GBP
Retailer 6£469 GBP
Retailer 4£552 GBP
Retailer 12£556 GBP
Retailer 15£593 GBP
Retailer 3£622 GBP
MOH London£807 GBP

39 data points across 15 retailers

18 retailers£138 GBP to £807 GBP

A
Cheapest Retailer
-
£138 GBP
$184 USD
A
Retailer 2
-
£164 GBP
$219 USD
View
A
Retailer 3
-
£172 GBP
$229 USD
View
A
Retailer 4
-
£176 GBP
$234 USD
View
B+
Retailer 5
-
£303 GBP
$404 USD
View
A
Retailer 6
-
£310 GBP
View
A
Retailer 7
-
£324 GBP
€411 EUR
View
A
Retailer 8
-
£355 GBP
View
B+
Retailer 9
-
£363 GBP
$483 USD
View
B+
Retailer 10
-
£384 GBP
$512 USD
View
B+
Retailer 11
-
£448 GBP
$597 USD
View
B+
Retailer 12
-
£469 GBP
$625 USD
View
Retailer 13
-
£515 GBP
$686 USD
View
Price last confirmed 44 days ago
B
Retailer 14
-
£552 GBP
$735 USD
View
B+
Retailer 15
-
£556 GBP
$740 USD
View
B
Retailer 16
-
£593 GBP
$789 USD
View
B
Retailer 17
-
£622 GBP
$828 USD
View
Most Expensive
B
MOH London
LG804642978 · Oct 29
£807 GBP
View
17 more retailers have this diamond
Prices start from £138 GBPSave up to £669 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
1.40ct Round
£138 GBP