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Round|Lab Grown|IGI

1.54ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG793633937

Shape and cutting style on the report: Round brilliant

Certificate IGI LG793633937

Diamond specifications and retailer prices

From £272 GBP
$365 USD
As of October 30, 2026
Save £553 GBP (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £826 GBP at MOH London · As of October 29, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG793633937 or 793633937. Listed at 8 retailers as of October 29, 2026, with prices from £272 to £826, a £553 spread on the same certified stone. MOH London lists it at £826. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793633937
Dimensions7.38 × 7.35 × 4.60 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm7.35 mm1.54 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793633937
Side View
Table 57.0%Crown 34.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.5%

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: £826 GBP|Low: £254 GBP|High: £831 GBP|Avg: £475 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5£272 GBP
Retailer 2£337 GBP
Retailer 8£357 GBP
Retailer 3£381 GBP
Retailer 6£451 GBP
Retailer 4£549 GBP
Retailer 7£698 GBP
MOH London£826 GBP

39 data points across 8 retailers

8 retailers£272 GBP to £826 GBP

B+
Cheapest Retailer
-
£272 GBP
$365 USD
A
Retailer 2
-
£337 GBP
€430 EUR
View
A
Retailer 3
-
£357 GBP
$478 USD
View
A
Retailer 4
-
£381 GBP
View
B+
Retailer 5
-
£451 GBP
$604 USD
View
Retailer 6
-
£549 GBP
$735 USD
View
Price last confirmed 13 days ago
B
Retailer 7
-
£698 GBP
$936 USD
View
Most Expensive
B
MOH London
LG793633937 · Oct 29
£826 GBP
View
7 more retailers have this diamond
Prices start from £272 GBPSave up to £553 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
1.54ct Round
£272 GBP