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Round|Lab Grown|IGI

1.53ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG837636486

Shape and cutting style on the report: Round brilliant

Certificate IGI LG837636486

Diamond specifications and retailer prices

From £147 GBP
$197 USD
As of October 29, 2026
Save £710 GBP (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £857 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.53ct lab-grown round diamond

This 1.53ct 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 LG837636486 or 837636486. Listed at 14 retailers as of October 29, 2026, with prices from £147 to £857, a £710 spread on the same certified stone. MOH London lists it at £857. 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

1.53
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837636486
Dimensions7.42 × 7.37 × 4.58 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
7.42 mm7.37 mm1.53 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837636486
Side View
Table 57.0%Crown 33.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

Caratlytics Score

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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 29
Current: £857 GBP|Low: £147 GBP|High: £871 GBP|Avg: £412 GBP|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7£147 GBP
Retailer 10£182 GBP
Retailer 2£304 GBP
Retailer 11£318 GBP
Retailer 5£326 GBP
Retailer 4£330 GBP
Retailer 8£346 GBP
Retailer 6£469 GBP
Retailer 9£537 GBP
Retailer 3£594 GBP
MOH London£857 GBP

40 data points across 11 retailers

14 retailers£147 GBP to £857 GBP

A
Cheapest Retailer
-
£147 GBP
$197 USD
A
Retailer 2
-
£182 GBP
$244 USD
View
A
Retailer 3
-
£182 GBP
$244 USD
View
A
Retailer 4
-
£304 GBP
€388 EUR
View
B+
Retailer 5
-
£318 GBP
$426 USD
View
A
Retailer 6
-
£326 GBP
View
A
Retailer 7
-
£330 GBP
View
A
Retailer 8
-
£346 GBP
$464 USD
View
B+
Retailer 9
-
£469 GBP
$628 USD
View
Retailer 10
-
£537 GBP
$720 USD
View
Price last confirmed 12 days ago
Retailer 11
-
£537 GBP
$720 USD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
£586 GBP
$785 USD
View
B+
Retailer 13
-
£594 GBP
SGD 1,076 SGD
View
Most Expensive
B
MOH London
LG837636486 · Oct 29
£857 GBP
View
13 more retailers have this diamond
Prices start from £147 GBPSave up to £710 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
1.53ct Round
£147 GBP