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Cushion|Lab Grown|IGI

1.09ct J VS1 Cushion Lab Grown Diamond

ID • J/VS1 • IGI LG846631574

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

Certificate IGI LG846631574

Diamond specifications and retailer prices

From HK$2,385 HKD
$304 USD
As of October 30, 2026
Save HK$6,005 HKD (72%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$8,390 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.09ct lab-grown cushion diamond

This 1.09ct lab-grown cushion sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846631574 or 846631574. Listed at 7 retailers as of October 30, 2026, with prices from HK$2,385 to HK$8,390, a HK$6,005 spread on the same certified stone. MOH London lists it at HK$8,390. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846631574
Dimensions5.76 × 5.66 × 3.67 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.76 mm5.66 mm1.09 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846631574
Side View
Table 65.0%Crown 34.3°Girdle: THK-VTKPavilion 32.4°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
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: Oct 30
Current: HK$8,390 HKD|Low: HK$2,385 HKD|High: HK$8,808 HKD|Avg: HK$4,232 HKD|-4.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6HK$2,385 HKD
Retailer 7HK$2,432 HKD
Retailer 3HK$2,596 HKD
Retailer 2HK$3,096 HKD
Retailer 4HK$3,695 HKD
Retailer 5HK$6,190 HKD
MOH LondonHK$8,390 HKD

12 data points across 7 retailers

7 retailersHK$2,385 HKD to HK$8,390 HKD

A
Cheapest Retailer
-
HK$2,385 HKD
$304 USD
B+
Retailer 2
-
HK$2,432 HKD
$310 USD
View
A
Retailer 3
-
HK$2,596 HKD
£260 GBP
View
A
Retailer 4
-
HK$3,096 HKD
ZAR 6,375 ZAR
View
A
Retailer 5
-
HK$3,695 HKD
$471 USD
View
B+
Retailer 6
-
HK$6,190 HKD
$789 USD
View
Most Expensive
B
MOH London
LG846631574 · Nov 1
HK$8,390 HKD
£842 GBP
View
6 more retailers have this diamond
Prices start from HK$2,385 HKDSave up to HK$6,005 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
1.09ct Cushion
HK$2,385 HKD