Radiant|Lab Grown|IGI

1.49ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG537223370

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

Certificate IGI LG537223370

Diamond specifications and retailer prices

From $270 CAD
$193 USD
As of October 30, 2026
Save $1,343 CAD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,613 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 1.49ct lab-grown radiant diamond

This 1.49ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG537223370 or 537223370. Listed at 17 retailers as of October 26, 2026, with prices from $270 to $1,613, a $1,343 spread on the same certified stone. MOH London lists it at $1,613. 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

1.49
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537223370
Dimensions8.05 × 5.77 × 3.86 mm
L/W Ratio1.40
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
8.05 mm5.77 mm1.49 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537223370
Side View
Table 70.0%Crown 39.3°Girdle: Slightly ThickPavilion 36.6°Culet: NoneDepth 66.9%

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 30
Current: $1,613 CAD|Low: $267 CAD|High: $2,417 CAD|Avg: $810 CAD|-1.1%
MOH London
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
Retailer 16
Retailer 17
October 31, 2026
Retailer 4$270 CAD
Retailer 5$302 CAD
Retailer 17$312 CAD
Retailer 13$334 CAD
Retailer 9$345 CAD
Retailer 12$400 CAD
Retailer 16$450 CAD
Retailer 2$603 CAD
Retailer 7$631 CAD
Retailer 14$693 CAD
Retailer 3$887 CAD
Retailer 15$1,073 CAD
Retailer 10$1,076 CAD
Retailer 6$1,147 CAD
Retailer 8$1,334 CAD
Retailer 11$1,523 CAD
MOH London$1,613 CAD

36 data points across 17 retailers

17 retailers$270 CAD to $1,613 CAD

A
Cheapest Retailer
-
$270 CAD
$193 USD
A
Retailer 2
-
$302 CAD
$216 USD
View
Final sale: no returns
A
Retailer 3
-
$312 CAD
$223 USD
View
A
Retailer 4
-
$334 CAD
$239 USD
View
A
Retailer 5
-
$345 CAD
$247 USD
View
A
Retailer 6
-
$400 CAD
£226 GBP
View
B+
Retailer 7
-
$450 CAD
$322 USD
View
A
Retailer 8
-
$603 CAD
£340 GBP
View
Retailer 9
-
$631 CAD
€430 EUR
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$693 CAD
$496 USD
View
B+
Retailer 11
-
$887 CAD
$635 USD
View
B+
Retailer 12
-
$1,073 CAD
$768 USD
View
B+
Retailer 13
-
$1,076 CAD
$770 USD
View
B
Retailer 14
-
$1,147 CAD
$821 USD
View
Retailer 15
-
$1,334 CAD
$955 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$1,523 CAD
$1,090 USD
View
Most Expensive
B
MOH London
LG537223370 · Oct 26
$1,613 CAD
£909 GBP
View
16 more retailers have this diamond
Prices start from $270 CADSave up to $1,343 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
1.49ct Radiant
$270 CAD