Radiant|Lab Grown|IGI

1.54ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $689 CAD
$493 USD
As of October 30, 2026
Save $1,558 CAD (69%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,246 CAD at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

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. Listed at 5 retailers as of October 28, 2026, with prices from $689 to $2,246, a $1,558 spread on the same certified stone. NZ Jewellers lists it at $2,246. 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
OriginLab Grown
Grading LabIGI
Dimensions7.42 × 5.68 × 3.88 mm
L/W Ratio1.31
Top View
7.42 mm5.68 mm1.54 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 68.0%CrownGirdle: MediumPavilionCulet: NoneDepth 68.3%

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 30
Current: $2,246 CAD|Low: $496 CAD|High: $2,246 CAD|Avg: $1,024 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7$496 CAD
Retailer 5$689 CAD
Retailer 4$771 CAD
Retailer 3$854 CAD
Retailer 2$953 CAD
Retailer 6$1,585 CAD
NZ Jewellers$2,246 CAD

39 data points across 7 retailers

5 retailers$689 CAD to $2,246 CAD

A
Cheapest Retailer
-
$689 CAD
$493 USD
B+
Retailer 2
-
$771 CAD
$552 USD
View
B+
Retailer 3
-
$854 CAD
$611 USD
View
B+
Retailer 4
-
$953 CAD
£537 GBP
View
Most Expensive
B
NZ Jewellers
1940ab90-0c08-4d6c-8aa6-403f394bc31a · Oct 28
$2,246 CAD
$1,608 USD
View
4 more retailers have this diamond
Prices start from $689 CADSave up to $1,558 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
$689 CAD