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Radiant|Lab Grown|IGI

1.53ct D SI1 Radiant Lab Grown Diamond

D/SI1

Diamond specifications and retailer prices

From $550 NZD
£244 GBP
As of November 1, 2026
Save $383 NZD (41%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $933 NZD at MoiMoi Australia · As of November 2, 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 November 1, 2026, with prices from $550 to $933, a $383 spread on the same certified stone. MoiMoi Australia lists it at $933. 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
Colour
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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Price History

Last verified: Nov 1
Current: $933 NZD|Low: $550 NZD|High: $934 NZD|Avg: $635 NZD|-0.1%
MoiMoi Australia
Retailer 2
November 2, 2026
Retailer 2$550 NZD
MoiMoi Australia$933 NZD

33 data points across 2 retailers

2 retailers$550 NZD to $933 NZD

B+
Cheapest Retailer
-
$550 NZD
£244 GBP
Most Expensive
B
MoiMoi Australia
873742425 · Nov 2
$933 NZD
A$809 AUD
View
1 more retailer has this diamond
Prices start from $550 NZDSave up to $383 NZD

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
$550 NZD