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Radiant|Lab Grown|IGI

1.53ct D SI1 Radiant Lab Grown Diamond

D/SI1

Diamond specifications and retailer prices

From $434 CAD
£245 GBP
As of October 30, 2026
Save $299 CAD (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $734 CAD at MoiMoi Australia · As of October 28, 2026
View at MoiMoi Australia

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) and certified by IGI. Listed at 2 retailers as of October 28, 2026, with prices from $434 to $734, a $299 spread on the same certified stone. MoiMoi Australia lists it at $734. 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

1.53
Carat
D
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.00 × 5.79 × 3.80 mm
L/W Ratio1.38
Top View
8.00 mm5.79 mm1.53 ctD / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 64.5%CrownGirdle: MediumPavilionCulet: NoneDepth 65.6%

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: Oct 30
Current: $734 CAD|Low: $209 CAD|High: $735 CAD|Avg: $362 CAD|-0.2%
MoiMoi Australia
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$209 CAD
Retailer 2$434 CAD
MoiMoi Australia$734 CAD

33 data points across 3 retailers

2 retailers$434 CAD to $734 CAD

B+
Cheapest Retailer
-
$434 CAD
£245 GBP
Most Expensive
B
MoiMoi Australia
873742425 · Oct 28
$734 CAD
A$808 AUD
View
1 more retailer has this diamond
Prices start from $434 CADSave up to $299 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+
1.53ct Radiant
$434 CAD