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Cushion|Lab Grown|IGI

1.81ct D SI2 Cushion Lab Grown Diamond

D/SI2

Diamond specifications and retailer prices

From $525 NZD
As of November 7, 2026
Save $387 NZD (42%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $912 NZD at MoiMoi Australia · As of November 5, 2026
View at MoiMoi Australia

About this 1.81ct lab-grown cushion diamond

This 1.81ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included) and certified by IGI. Listed at 2 retailers as of November 5, 2026, with prices from $525 to $912, a $387 spread on the same certified stone. MoiMoi Australia lists it at $912. 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

1.81
Carat
D
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.71 × 6.54 × 4.40 mm
L/W Ratio1.03
Top View
6.71 mm6.54 mm1.81 ctD / SI2
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 66.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.3%

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 7
Current: $912 NZD|Low: $263 NZD|High: $920 NZD|Avg: $509 NZD|-0.9%
MoiMoi Australia
Retailer 2
Retailer 3
November 7, 2026
Retailer 3$263 NZD
Retailer 2$525 NZD
MoiMoi Australia$912 NZD

41 data points across 3 retailers

2 retailers$525 NZD to $912 NZD

B+
Cheapest Retailer
-
$525 NZD
Most Expensive
B+
MoiMoi Australia
251915917 · Nov 5
$912 NZD
A$778 AUD
View
1 more retailer has this diamond
Prices start from $525 NZDSave up to $387 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+
1.81ct Cushion
$525 NZD