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Round|Lab Grown|IGI

1.54ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG365930043

Shape and cutting style on the report: Round brilliant

Certificate IGI LG365930043

Diamond specifications and retailer prices

From £836 GBP
$1,120 USD
As of October 26, 2026
11 retailers carry this diamond
Most expensive: £1,327 GBP at MOH London · As of October 18, 2026
View at MOH London

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG365930043 or 365930043. Listed at 11 retailers as of October 26, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG365930043
Dimensions7.37 × 7.40 × 4.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.37 mm7.40 mm1.54 ctG / SI2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG365930043
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41.3°Culet: NoneDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 26
Current: £1,327 GBP|Low: £306 GBP|High: £1,327 GBP|Avg: £705 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 22, 2026
Retailer 5£306 GBP
Retailer 9£340 GBP
Retailer 2£489 GBP
Retailer 8£531 GBP
Retailer 3£586 GBP
Retailer 10£609 GBP
Retailer 6£898 GBP
Retailer 7£928 GBP
Retailer 4£1,086 GBP
MOH London£1,327 GBP

6 data points across 10 retailers

11 retailers

Retailer 1
-
£306 GBP
$410 USD
Price last confirmed 9 days ago
Retailer 2
-
£340 GBP
$455 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£489 GBP
View
Price last confirmed 8 days ago
Retailer 4
-
£531 GBP
$711 USD
View
Price last confirmed 8 days ago
Retailer 5
-
£586 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£609 GBP
$816 USD
View
Price last confirmed 9 days ago
B
Retailer 7
-
£836 GBP
$1,120 USD
View
Retailer 8
-
£898 GBP
$1,203 USD
View
Price last confirmed 7 days ago
Retailer 9
-
£928 GBP
$1,244 USD
View
Price last confirmed 7 days ago
Retailer 10
-
£1,086 GBP
$1,455 USD
View
Price last confirmed 9 days ago
Most Expensive
MOH London
LG365930043 · Oct 18
£1,327 GBP
View
Price last confirmed 12 days ago
10 more retailers have this diamond
Prices start from £836 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.

B
1.54ct Round
£836 GBP