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Cushion|Lab Grown|IGI

1.81ct D SI2 Cushion Lab Grown Diamond

ID • D/SI2 • IGI LG719519152

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG719519152

Diamond specifications and retailer prices

From HK$1,857 HKD
As of November 7, 2026
Save HK$9,700 HKD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$11,558 HKD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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), with a top-tier cut grade and certified by IGI LG719519152 or 719519152. Listed at 12 retailers as of November 5, 2026, with prices from HK$1,857 to HK$11,558, a HK$9,700 spread on the same certified stone. Diamond Quarter lists it at HK$11,558. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.81
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle28.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG719519152
Dimensions6.71 × 6.54 × 4.40 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.71 mm6.54 mm1.81 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG719519152
Side View
Table 66.0%Crown 36.7°Girdle: MED-VTKPavilion 28.3°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: HK$1,857 HKD|Low: HK$1,677 HKD|High: HK$15,832 HKD|Avg: HK$5,250 HKD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 1HK$1,857 HKD
Retailer 11HK$1,865 HKD
Retailer 3HK$2,524 HKD
Retailer 6HK$3,104 HKD
Retailer 5HK$3,362 HKD
Retailer 2HK$4,561 HKD
Retailer 10HK$4,569 HKD
Retailer 7HK$4,851 HKD
Retailer 4HK$8,676 HKD
Retailer 9HK$9,091 HKD
Retailer 8HK$11,051 HKD

44 data points across 11 retailers

12 retailersHK$1,857 HKD to HK$11,558 HKD

A
Cheapest Retailer
-
HK$1,857 HKD
Final sale: no returns
A
Retailer 2
-
HK$1,865 HKD
View
B+
Retailer 3
-
HK$2,524 HKD
View
A
Retailer 4
-
HK$3,104 HKD
View
A
Retailer 5
-
HK$3,362 HKD
View
A
Retailer 6
-
HK$4,561 HKD
View
A
Retailer 7
-
HK$4,569 HKD
View
B+
Retailer 8
-
HK$4,851 HKD
View
B+
Retailer 9
-
HK$8,676 HKD
View
B
Retailer 10
-
HK$9,091 HKD
View
B
Retailer 11
-
HK$11,051 HKD
View
Most Expensive
B
Diamond Quarter
1.81SI2DLG595B42N · Nov 5
HK$11,558 HKD
£1,161 GBP
View
11 more retailers have this diamond
Prices start from HK$1,857 HKDSave up to HK$9,700 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.

A
1.81ct Cushion
HK$1,857 HKD