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Radiant|Lab Grown|IGI

1.53ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG519255515

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG519255515

Diamond specifications and retailer prices

From $404 CAD
As of November 6, 2026
Save $1,245 CAD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,649 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG519255515 or 519255515. Listed at 11 retailers as of November 2, 2026, with prices from $404 to $1,649, a $1,245 spread on the same certified stone. MOH London lists it at $1,649. 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519255515
Dimensions8.09 × 5.59 × 3.79 mm
L/W Ratio1.45
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
8.09 mm5.59 mm1.53 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519255515
Side View
Table 65.0%Crown 43.2°Girdle: MED-STKPavilion 31.4°Culet: NoneDepth 67.8%

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 6
Current: $1,649 CAD|Low: $404 CAD|High: $1,815 CAD|Avg: $944 CAD|-9.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$404 CAD
Retailer 11$447 CAD
Retailer 5$671 CAD
Retailer 10$682 CAD
Retailer 8$696 CAD
Retailer 2$769 CAD
Retailer 6$872 CAD
Retailer 4$1,076 CAD
Retailer 7$1,328 CAD
Retailer 9$1,395 CAD
MOH London$1,649 CAD

42 data points across 11 retailers

11 retailers$404 CAD to $1,649 CAD

A
Cheapest Retailer
-
$404 CAD
Final sale: no returns
Retailer 2
-
$442 CAD
View
Price last confirmed 43 days ago
A
Retailer 3
-
$671 CAD
View
B+
Retailer 4
-
$696 CAD
View
B+
Retailer 5
-
$769 CAD
View
B+
Retailer 6
-
$872 CAD
View
B+
Retailer 7
-
$1,076 CAD
View
B
Retailer 8
-
$1,303 CAD
View
B
Retailer 9
-
$1,328 CAD
View
B
Retailer 10
-
$1,395 CAD
View
Most Expensive
B
MOH London
LG519255515 · Nov 2
$1,649 CAD
£923 GBP
View
10 more retailers have this diamond
Prices start from $404 CADSave up to $1,245 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 Radiant
$404 CAD