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Cushion|Lab Grown|IGI

1.31ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG595360309

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG595360309

Diamond specifications and retailer prices

From HK$2,189 HKD
As of November 4, 2026
Save HK$7,137 HKD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$9,326 HKD at Flawless Fine Jewelry · As of November 4, 2026
View at Flawless Fine Jewelry

About this 1.31ct lab-grown cushion diamond

This 1.31ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG595360309 or 595360309. Listed at 12 retailers as of November 4, 2026, with prices from HK$2,189 to HK$9,326, a HK$7,137 spread on the same certified stone. Flawless Fine Jewelry lists it at HK$9,326. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG595360309
Dimensions6.41 × 6.32 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.41 mm6.32 mm1.31 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG595360309
Side View
Table 62.0%Crown 36.5°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.3%

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: Nov 4
Current: HK$9,326 HKD|Low: HK$1,789 HKD|High: HK$9,326 HKD|Avg: HK$4,560 HKD
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 7HK$1,789 HKD
Retailer 4HK$2,189 HKD
Retailer 6HK$3,091 HKD
Retailer 8HK$3,154 HKD
Retailer 2HK$3,209 HKD
Retailer 9HK$3,217 HKD
Retailer 10HK$3,758 HKD
Retailer 5HK$4,370 HKD
Retailer 3HK$8,355 HKD
Flawless Fine JewelryHK$9,326 HKD

44 data points across 10 retailers

12 retailersHK$2,189 HKD to HK$9,326 HKD

Retailer 1
-
HK$1,789 HKD
Price last confirmed 11 days ago
A
Retailer 2
-
HK$2,189 HKD
View
A
Retailer 3
-
HK$3,091 HKD
View
A
Retailer 4
-
HK$3,154 HKD
View
A
Retailer 5
-
HK$3,209 HKD
View
Retailer 6
-
HK$3,217 HKD
View
Price last confirmed 12 days ago
A
Retailer 7
-
HK$3,758 HKD
View
A
Retailer 8
-
HK$3,907 HKD
View
A
Retailer 9
-
HK$4,370 HKD
View
B+
Retailer 10
-
HK$6,182 HKD
View
B
Retailer 11
-
HK$8,355 HKD
View
Most Expensive
B
Flawless Fine Jewelry
AC526EA9B · Nov 4
HK$9,326 HKD
£936 GBP
View
11 more retailers have this diamond
Prices start from HK$2,189 HKDSave up to HK$7,137 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
1.31ct Cushion
HK$2,189 HKD