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Radiant|Lab Grown|IGI

1.53ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG524247378

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

Certificate IGI LG524247378

Diamond specifications and retailer prices

From $286 CAD
$204 USD
As of October 27, 2026
Save $2,444 CAD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,729 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG524247378 or 524247378. Listed at 19 retailers as of October 27, 2026, with prices from $286 to $2,729, a $2,444 spread on the same certified stone. Do Amore Diamonds lists it at $2,729. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG524247378
Dimensions8.00 × 5.79 × 3.80 mm
L/W Ratio1.38
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
8.00 mm5.79 mm1.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG524247378
Side View
Table 64.5%Crown 45.7°Girdle: MediumPavilion 34.1°Culet: NoneDepth 65.6%

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: Oct 27
Current: $725 CAD|Low: $227 CAD|High: $1,805 CAD|Avg: $898 CAD|+3.9%
Retailer 1
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
Retailer 15
October 29, 2026
Retailer 13$286 CAD
Retailer 6$328 CAD
Retailer 9$330 CAD
Retailer 12$353 CAD
Retailer 2$553 CAD
Retailer 11$654 CAD
Retailer 5$712 CAD
Retailer 1$725 CAD
Retailer 7$848 CAD
Retailer 15$1,139 CAD
Retailer 14$1,254 CAD
Retailer 10$1,400 CAD
Retailer 8$1,564 CAD
Retailer 4$1,612 CAD
Retailer 3$1,750 CAD

42 data points across 15 retailers

19 retailers$286 CAD to $2,729 CAD

A
Cheapest Retailer
-
$286 CAD
$204 USD
A
Retailer 2
-
$328 CAD
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$330 CAD
$236 USD
View
A
Retailer 4
-
$353 CAD
$252 USD
View
A
Retailer 5
-
$549 CAD
$392 USD
View
B+
Retailer 6
-
$553 CAD
$395 USD
View
A
Retailer 7
-
$555 CAD
HK$3,100 HKD
View
A
Retailer 8
-
$654 CAD
€445 EUR
View
B+
Retailer 9
-
$712 CAD
$509 USD
View
A
Retailer 10
-
$725 CAD
£408 GBP
View
B+
Retailer 11
-
$848 CAD
$606 USD
View
B
Retailer 12
-
$1,139 CAD
$814 USD
View
B
Retailer 13
-
$1,215 CAD
£684 GBP
View
B
Retailer 14
-
$1,254 CAD
$896 USD
View
B
Retailer 15
-
$1,400 CAD
$1,000 USD
View
B
Retailer 16
-
$1,564 CAD
£880 GBP
View
B
Retailer 17
-
$1,612 CAD
SGD 1,556 SGD
View
B
Retailer 18
-
$1,750 CAD
$1,250 USD
View
Most Expensive
B
Do Amore Diamonds
27-A37CF666F · Oct 29
$2,729 CAD
$1,950 USD
View
18 more retailers have this diamond
Prices start from $286 CADSave up to $2,444 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
$286 CAD