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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 $378 USD
As of November 4, 2026
Save $589 USD (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,276 USD 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
Color
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: $521 USD|Low: $217 USD|High: $1,135 USD|Avg: $506 USD|+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 13$226 USD
Retailer 6$252 USD
Retailer 3$262 USD
Retailer 4$280 USD
Retailer 14$280 USD
Retailer 12$378 USD
Retailer 7$451 USD
Retailer 8$481 USD
Retailer 1$521 USD
Retailer 5$596 USD
Retailer 9$683 USD
Retailer 2$900 USD
Retailer 11$903 USD
Retailer 10$1,123 USD

45 data points across 14 retailers

17 retailers$378 USD to $967 USD

Retailer 1
-
$226 USD
Price last confirmed 9 days ago
Retailer 2
-
$262 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$280 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$280 USD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$378 USD
View
A
Retailer 6
-
$451 USD
View
Retailer 7
-
$481 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$521 USD
View
B+
Retailer 9
-
$596 USD
View
Retailer 10
-
$652 USD
View
Price last confirmed 9 days ago
Retailer 11
-
$683 USD
View
Price last confirmed 9 days ago
Retailer 12
-
$900 USD
View
Price last confirmed 11 days ago
Retailer 13
-
$903 USD
View
Price last confirmed 10 days ago
Retailer 14
-
$952 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
$967 USD
View
Retailer 16
-
$1,123 USD
View
Price last confirmed 10 days ago
Most Expensive
Reve Diamonds
D5C270E3F · Oct 28
$1,276 USD
View
Price last confirmed 8 days ago
16 more retailers have this diamond
Prices start from $378 USDSave up to $589 USD

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
$378 USD