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Cushion|Lab Grown|IGI

1.31ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG579399923

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG579399923

Diamond specifications and retailer prices

From HK$2,212 HKD
As of November 4, 2026
Save HK$10,497 HKD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$12,709 HKD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

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 LG579399923 or 579399923. Listed at 13 retailers as of November 4, 2026, with prices from HK$2,212 to HK$12,709, a HK$10,497 spread on the same certified stone. Do Amore Diamonds lists it at HK$12,709. 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 angle32.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579399923
Dimensions6.46 × 6.35 × 4.14 mm
L/W Ratio1.02
Girdle conditionFaceted
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
6.46 mm6.35 mm1.31 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579399923
Side View
Table 60.0%Crown 32.8°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 65.2%

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$12,709 HKD|Low: HK$2,212 HKD|High: HK$12,709 HKD|Avg: HK$5,165 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4HK$2,212 HKD
Retailer 3HK$2,942 HKD
Retailer 10HK$3,028 HKD
Retailer 8HK$3,044 HKD
Retailer 6HK$3,122 HKD
Retailer 2HK$3,248 HKD
Retailer 5HK$4,409 HKD
Retailer 9HK$5,570 HKD
Retailer 11HK$7,178 HKD
Retailer 7HK$8,465 HKD
Do Amore DiamondsHK$12,709 HKD

11 data points across 11 retailers

13 retailersHK$2,212 HKD to HK$12,709 HKD

A
Cheapest Retailer
-
HK$2,212 HKD
B+
Retailer 2
-
HK$2,942 HKD
View
A
Retailer 3
-
HK$3,028 HKD
View
A
Retailer 4
-
HK$3,044 HKD
View
A
Retailer 5
-
HK$3,122 HKD
View
A
Retailer 6
-
HK$3,248 HKD
View
B+
Retailer 7
-
HK$4,409 HKD
View
B+
Retailer 8
-
HK$5,139 HKD
View
B+
Retailer 9
-
HK$5,570 HKD
View
Retailer 10
-
HK$6,355 HKD
View
Price last confirmed 15 days ago
B
Retailer 11
-
HK$7,178 HKD
View
B
Retailer 12
-
HK$8,465 HKD
View
Most Expensive
B
Do Amore Diamonds
27-6149F0C67 · Nov 5
HK$12,709 HKD
$1,620 USD
View
12 more retailers have this diamond
Prices start from HK$2,212 HKDSave up to HK$10,497 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$2,212 HKD