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Cushion|Lab Grown|IGI

1.80ct J VS1 Cushion Lab Grown Diamond

ID • J/VS1 • IGI LG436045211

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

Certificate IGI LG436045211

Diamond specifications and retailer prices

From HK$7,767 HKD
$990 USD
As of October 31, 2026
Save HK$25,200 HKD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$51,215 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.8ct lab-grown cushion diamond

This 1.8ct lab-grown cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436045211 or 436045211. Listed at 7 retailers as of October 29, 2026, with a 324% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045211
Dimensions7.11 × 7.05 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.11 mm7.05 mm1.80 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045211
Side View
Table 58.0%Crown 34.9°Girdle: STK-VTKPavilion 38.9°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$51,215 HKD|Low: HK$7,767 HKD|High: HK$51,903 HKD|Avg: HK$28,195 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2HK$7,767 HKD
Retailer 6HK$17,308 HKD
Retailer 4HK$17,935 HKD
Retailer 7HK$19,261 HKD
Retailer 8HK$22,941 HKD
Retailer 5HK$28,064 HKD
Retailer 3HK$32,967 HKD
MOH LondonHK$51,215 HKD
Retailer 9HK$51,345 HKD

20 data points across 9 retailers

7 retailersHK$7,767 HKD to HK$32,967 HKD

A
Cheapest Retailer
-
HK$7,767 HKD
$990 USD
B
Retailer 2
-
HK$17,308 HKD
$2,206 USD
View
Final sale: no returns
Retailer 3
-
HK$17,935 HKD
$2,286 USD
View
Price last confirmed 22 days ago
B
Retailer 4
-
HK$19,261 HKD
$2,455 USD
View
B
Retailer 5
-
HK$28,064 HKD
$3,577 USD
View
B
Retailer 6
-
HK$32,967 HKD
ZAR 67,882 ZAR
View
Most Expensive
MOH London
LG436045211 · Nov 1
HK$51,215 HKD
£5,140 GBP
View
Price under review
6 more retailers have this diamond
Prices start from HK$7,767 HKDSave up to HK$25,200 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
1.80ct Cushion
HK$7,767 HKD