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Radiant|Lab Grown|IGI

1.50ct F SI1 Radiant Lab Grown Diamond

GD • F/SI1

Diamond specifications and retailer prices

From $703 CAD
As of November 6, 2026
Save $1,601 CAD (69%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,304 CAD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI. Listed at 2 retailers as of November 6, 2026, with prices from $703 to $2,304, a $1,601 spread on the same certified stone. Helzberg Diamonds lists it at $2,304. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
F
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.09 × 5.53 × 3.88 mm
L/W Ratio1.46
Top View
8.09 mm5.53 mm1.50 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 64.0%CrownGirdle: MediumPavilionCulet: NoneDepth 70.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,304 CAD|Low: $703 CAD|High: $2,304 CAD|Avg: $1,504 CAD
Helzberg Diamonds
Retailer 2
September 23, 2026
Retailer 2$703 CAD
Helzberg Diamonds$2,304 CAD

1 data point across 2 retailers

2 retailers$703 CAD to $2,304 CAD

B+
Cheapest Retailer
-
$703 CAD
Most Expensive
C
Helzberg Diamonds
ZXZOILMMLIHP · Nov 6
$2,304 CAD
$1,638 USD
View
1 more retailer has this diamond
Prices start from $703 CADSave up to $1,601 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.

B+
1.50ct Radiant
$703 CAD