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Cushion|Lab Grown|IGI

1.81ct D SI2 Cushion Lab Grown Diamond

D/SI2

Diamond specifications and retailer prices

From HK$2,281 HKD
As of November 7, 2026
Save HK$1,683 HKD (42%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$3,963 HKD 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 HK$2,281 to HK$3,963, a HK$1,683 spread on the same certified stone. MoiMoi Australia lists it at HK$3,963. 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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Price History

Last verified: Nov 7
Current: HK$3,963 HKD|Low: HK$1,144 HKD|High: HK$3,999 HKD|Avg: HK$2,212 HKD|-0.9%
MoiMoi Australia
Retailer 2
Retailer 3
November 7, 2026
Retailer 3HK$1,144 HKD
Retailer 2HK$2,281 HKD
MoiMoi AustraliaHK$3,963 HKD

41 data points across 3 retailers

2 retailersHK$2,281 HKD to HK$3,963 HKD

B+
Cheapest Retailer
-
HK$2,281 HKD
Most Expensive
B+
MoiMoi Australia
251915917 · Nov 5
HK$3,963 HKD
A$778 AUD
View
1 more retailer has this diamond
Prices start from HK$2,281 HKDSave up to HK$1,683 HKD

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
HK$2,281 HKD