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Round|Lab Grown|IGI

1.53ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG685556706

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685556706

Diamond specifications and retailer prices

From $310 CAD
As of November 5, 2026
Save $1,228 CAD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,538 CAD at MOH London · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685556706 or 685556706. Listed at 15 retailers as of November 5, 2026, with prices from $310 to $1,538, a $1,228 spread on the same certified stone. MOH London lists it at $1,538. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685556706
Dimensions7.47 × 7.44 × 4.49 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
7.47 mm7.44 mm1.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685556706
Side View
Table 61.0%Crown 33.8°Girdle: MediumPavilion 41.3°Culet: NoneDepth 60.3%

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: Nov 5
Current: $1,538 CAD|Low: $297 CAD|High: $1,559 CAD|Avg: $724 CAD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$310 CAD
Retailer 9$384 CAD
Retailer 7$520 CAD
Retailer 3$595 CAD
Retailer 5$621 CAD
Retailer 2$707 CAD
Retailer 4$1,075 CAD
Retailer 6$1,240 CAD
MOH London$1,538 CAD

41 data points across 9 retailers

15 retailers$310 CAD to $1,538 CAD

A
Cheapest Retailer
-
$310 CAD
A
Retailer 2
-
$360 CAD
View
Retailer 3
-
$384 CAD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$384 CAD
View
B+
Retailer 5
-
$520 CAD
View
A
Retailer 6
-
$595 CAD
View
A
Retailer 7
-
$621 CAD
View
A
Retailer 8
-
$637 CAD
View
A
Retailer 9
-
$707 CAD
View
B+
Retailer 10
-
$740 CAD
View
B
Retailer 11
-
$1,075 CAD
View
B
Retailer 12
-
$1,236 CAD
View
B
Retailer 13
-
$1,240 CAD
View
B
Retailer 14
-
$1,309 CAD
View
Most Expensive
B
MOH London
LG685556706 · Nov 5
$1,538 CAD
£867 GBP
View
14 more retailers have this diamond
Prices start from $310 CADSave up to $1,228 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
$310 CAD