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Round|Lab Grown|IGI

1.53ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG500150526

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500150526

Diamond specifications and retailer prices

From $1,187 CAD
$850 USD
As of October 31, 2026
Save $5,008 CAD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,195 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500150526 or 500150526. Listed at 11 retailers as of October 29, 2026, with prices from $1,187 to $6,195, a $5,008 spread on the same certified stone. MOH London lists it at $6,195. 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
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500150526
Dimensions7.48 × 7.51 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.48 mm7.51 mm1.53 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500150526
Side View
Table 57.5%Crown 33.3°GirdlePavilion 40.4°Culet: NoneDepth 59.7%

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 31
Current: $6,195 CAD|Low: $1,187 CAD|High: $6,245 CAD|Avg: $2,636 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$1,187 CAD
Retailer 5$1,654 CAD
Retailer 9$1,799 CAD
Retailer 8$1,852 CAD
Retailer 6$1,918 CAD
Retailer 11$1,918 CAD
Retailer 12$2,158 CAD
Retailer 4$2,721 CAD
Retailer 7$3,044 CAD
Retailer 10$3,596 CAD
Retailer 3$3,780 CAD
MOH London$6,195 CAD

16 data points across 12 retailers

11 retailers$1,187 CAD to $6,195 CAD

A
Cheapest Retailer
-
$1,187 CAD
$850 USD
B+
Retailer 2
-
$1,654 CAD
$1,184 USD
View
B+
Retailer 3
-
$1,799 CAD
$1,288 USD
View
B+
Retailer 4
-
$1,852 CAD
$1,326 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,918 CAD
$1,373 USD
View
Retailer 6
-
$1,918 CAD
$1,373 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$2,158 CAD
$1,545 USD
View
B
Retailer 8
-
$3,044 CAD
$2,179 USD
View
B
Retailer 9
-
$3,596 CAD
$2,574 USD
View
B
Retailer 10
-
$3,780 CAD
$2,706 USD
View
Most Expensive
B
MOH London
LG500150526 · Oct 29
$6,195 CAD
£3,492 GBP
View
10 more retailers have this diamond
Prices start from $1,187 CADSave up to $5,008 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
$1,187 CAD