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Round|Lab Grown|IGI

1.53ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG818686765

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686765

Diamond specifications and retailer prices

From $285 CAD
$204 USD
As of October 29, 2026
Save $1,372 CAD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,657 CAD 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 LG818686765 or 818686765. Listed at 14 retailers as of October 29, 2026, with prices from $285 to $1,657, a $1,372 spread on the same certified stone. MOH London lists it at $1,657. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686765
Dimensions7.40 × 7.34 × 4.57 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
7.40 mm7.34 mm1.53 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686765
Side View
Table 59.0%Crown 34.2°Girdle: MediumPavilion 41.5°Culet: NoneDepth 61.9%

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: $1,657 CAD|Low: $285 CAD|High: $1,668 CAD|Avg: $848 CAD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 7$285 CAD
Retailer 9$352 CAD
Retailer 4$588 CAD
Retailer 10$610 CAD
Retailer 2$647 CAD
Retailer 3$652 CAD
Retailer 6$911 CAD
Retailer 5$999 CAD
Retailer 11$1,208 CAD
Retailer 8$1,215 CAD
MOH London$1,657 CAD

43 data points across 11 retailers

14 retailers$285 CAD to $1,657 CAD

A
Cheapest Retailer
-
$285 CAD
$204 USD
A
Retailer 2
-
$330 CAD
$236 USD
View
A
Retailer 3
-
$352 CAD
$252 USD
View
A
Retailer 4
-
$352 CAD
$252 USD
View
A
Retailer 5
-
$588 CAD
€401 EUR
View
B+
Retailer 6
-
$610 CAD
$437 USD
View
A
Retailer 7
-
$647 CAD
£364 GBP
View
A
Retailer 8
-
$652 CAD
$467 USD
View
B+
Retailer 9
-
$911 CAD
$652 USD
View
B+
Retailer 10
-
$999 CAD
$715 USD
View
B+
Retailer 11
-
$1,133 CAD
$811 USD
View
B
Retailer 12
-
$1,208 CAD
$865 USD
View
B
Retailer 13
-
$1,215 CAD
$870 USD
View
Most Expensive
B
MOH London
LG818686765 · Oct 29
$1,657 CAD
£934 GBP
View
13 more retailers have this diamond
Prices start from $285 CADSave up to $1,372 CAD

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
$285 CAD