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Round|Lab Grown|IGI

1.53ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG747578077

Shape and cutting style on the report: Round brilliant

Certificate IGI LG747578077

Diamond specifications and retailer prices

From $297 CAD
As of November 1, 2026
Save $1,951 CAD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,249 CAD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 LG747578077 or 747578077. Listed at 19 retailers as of November 1, 2026, with prices from $297 to $2,249, a $1,951 spread on the same certified stone. Brilliant Earth lists it at $2,249. 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 angle36.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747578077
Dimensions7.39 × 7.33 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.39 mm7.33 mm1.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747578077
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,480 CAD|Low: $285 CAD|High: $2,249 CAD|Avg: $824 CAD|-4.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 13$297 CAD
Retailer 3$369 CAD
Retailer 14$369 CAD
Retailer 2$444 CAD
Retailer 8$589 CAD
Retailer 6$633 CAD
Retailer 11$672 CAD
Retailer 10$723 CAD
Retailer 5$726 CAD
Retailer 7$1,060 CAD
Retailer 9$1,068 CAD
Retailer 4$1,186 CAD
Brilliant Earth$1,480 CAD
Retailer 12$1,486 CAD

44 data points across 14 retailers

19 retailers$297 CAD to $2,249 CAD

Retailer 1
-
$297 CAD
Price last confirmed 44 days ago
A
Retailer 2
-
$297 CAD
View
Retailer 3
-
$345 CAD
View
Price last confirmed 45 days ago
Retailer 4
-
$365 CAD
View
Price last confirmed 42 days ago
A
Retailer 5
-
$369 CAD
View
Retailer 6
-
$369 CAD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$444 CAD
View
A
Retailer 8
-
$589 CAD
View
A
Retailer 9
-
$633 CAD
View
B+
Retailer 10
-
$672 CAD
View
B+
Retailer 11
-
$723 CAD
View
B+
Retailer 12
-
$726 CAD
View
B+
Retailer 13
-
$968 CAD
View
B+
Retailer 14
-
$1,060 CAD
View
B
Retailer 15
-
$1,068 CAD
View
B
Retailer 16
-
$1,186 CAD
View
B
Retailer 17
-
$1,480 CAD
View
Retailer 18
-
$1,486 CAD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21116661A · Nov 5
$2,249 CAD
$1,610 USD
View
18 more retailers have this diamond
Prices start from $297 CADSave up to $1,951 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
$297 CAD