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Radiant|Lab Grown|IGI

1.54ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • IGI LG474120572

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

Certificate IGI LG474120572

Diamond specifications and retailer prices

From $268 CAD
$192 USD
As of October 27, 2026
Save $2,302 CAD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,570 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.54ct lab-grown radiant diamond

This 1.54ct 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 LG474120572 or 474120572. Listed at 11 retailers as of October 27, 2026, with prices from $268 to $2,570, a $2,302 spread on the same certified stone. Do Amore Diamonds lists it at $2,570. 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

1.54
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474120572
Dimensions7.43 × 5.89 × 3.94 mm
L/W Ratio1.26
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
7.43 mm5.89 mm1.54 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474120572
Side View
Table 60.0%Crown 44.9°Girdle: MED-STKPavilion 30.9°Culet: NoneDepth 66.9%

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: $2,570 CAD|Low: $149 CAD|High: $2,598 CAD|Avg: $989 CAD|-1.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 5$149 CAD
Retailer 8$268 CAD
Retailer 11$300 CAD
Retailer 6$411 CAD
Retailer 9$580 CAD
Retailer 3$655 CAD
Retailer 13$768 CAD
Retailer 4$777 CAD
Retailer 7$1,071 CAD
Retailer 2$1,478 CAD
Retailer 10$1,788 CAD
Retailer 12$2,026 CAD
Do Amore Diamonds$2,570 CAD

38 data points across 13 retailers

11 retailers$268 CAD to $2,570 CAD

A
Cheapest Retailer
-
$268 CAD
$192 USD
A
Retailer 2
-
$300 CAD
$215 USD
View
Final sale: no returns
A
Retailer 3
-
$310 CAD
$222 USD
View
A
Retailer 4
-
$411 CAD
£231 GBP
View
B+
Retailer 5
-
$580 CAD
$415 USD
View
B
Retailer 6
-
$1,071 CAD
$767 USD
View
B
Retailer 7
-
$1,179 CAD
$844 USD
View
B
Retailer 8
-
$1,478 CAD
£833 GBP
View
B
Retailer 9
-
$1,788 CAD
$1,280 USD
View
B
Retailer 10
-
$2,026 CAD
$1,450 USD
View
Most Expensive
B
Do Amore Diamonds
27-C919A0841 · Oct 29
$2,570 CAD
$1,840 USD
View
10 more retailers have this diamond
Prices start from $268 CADSave up to $2,302 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
1.54ct Radiant
$268 CAD