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Heart|Lab Grown|IGI

1.31ct G VVS1 Heart Lab Grown Diamond

EX • G/VVS1 • IGI LG579375103

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG579375103

Diamond specifications and retailer prices

From HK$2,965 HKD
As of November 4, 2026
Save HK$4,621 HKD (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$10,010 HKD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.31ct lab-grown heart diamond

This 1.31ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG579375103 or 579375103. Listed at 17 retailers as of November 4, 2026, with a 156% 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

1.31
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579375103
Dimensions6.67 × 7.77 × 4.49 mm
L/W Ratio1.16
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
6.67 mm7.77 mm1.31 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579375103
Side View
Table 57.0%Crown 33.7°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 57.8%

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$4,087 HKD|Low: HK$1,702 HKD|High: HK$8,904 HKD|Avg: HK$3,973 HKD|+2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 13HK$1,773 HKD
Retailer 6HK$1,977 HKD
Retailer 3HK$2,055 HKD
Retailer 4HK$2,197 HKD
Retailer 14HK$2,197 HKD
Retailer 12HK$2,965 HKD
Retailer 7HK$3,538 HKD
Retailer 8HK$3,774 HKD
Retailer 1HK$4,087 HKD
Retailer 5HK$4,676 HKD
Retailer 9HK$5,358 HKD
Retailer 2HK$7,061 HKD
Retailer 11HK$7,084 HKD
Retailer 10HK$8,810 HKD

45 data points across 14 retailers

17 retailersHK$2,965 HKD to HK$7,586 HKD

Retailer 1
-
HK$1,773 HKD
Price last confirmed 10 days ago
Retailer 2
-
HK$2,055 HKD
View
Price last confirmed 9 days ago
Retailer 3
-
HK$2,197 HKD
View
Price last confirmed 12 days ago
Retailer 4
-
HK$2,197 HKD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
HK$2,965 HKD
View
A
Retailer 6
-
HK$3,538 HKD
View
Retailer 7
-
HK$3,774 HKD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
HK$4,087 HKD
View
B+
Retailer 9
-
HK$4,676 HKD
View
Retailer 10
-
HK$5,115 HKD
View
Price last confirmed 10 days ago
Retailer 11
-
HK$5,358 HKD
View
Price last confirmed 10 days ago
Retailer 12
-
HK$7,061 HKD
View
Price last confirmed 12 days ago
Retailer 13
-
HK$7,084 HKD
View
Price last confirmed 11 days ago
Retailer 14
-
HK$7,469 HKD
View
Price last confirmed 9 days ago
B
Retailer 15
-
HK$7,586 HKD
View
Retailer 16
-
HK$8,810 HKD
View
Price last confirmed 11 days ago
Most Expensive
Reve Diamonds
D5C270E3F · Oct 28
HK$10,010 HKD
$1,276 USD
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from HK$2,965 HKDSave up to HK$4,621 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 Heart
HK$2,965 HKD