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Heart|Lab Grown|IGI

1.31ct G VVS1 Heart Lab Grown Diamond

ID • G/VVS1 • IGI LG593378320

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG593378320

Diamond specifications and retailer prices

From $217 USD
As of November 4, 2026
Save $1,643 USD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,860 USD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore 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 LG593378320 or 593378320. Listed at 15 retailers as of November 4, 2026, with prices from $217 to $1,860, a $1,643 spread on the same certified stone. Do Amore Diamonds lists it at $1,860. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593378320
Dimensions7.73 × 6.56 × 4.43 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.73 mm6.56 mm1.31 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593378320
Side View
Table 59.0%Crown 33.9°Girdle: THN-MEDPavilion 39.3°Culet: NoneDepth 57.3%

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: Nov 4
Current: $491 USD|Low: $217 USD|High: $1,076 USD|Avg: $534 USD|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 7$217 USD
Retailer 6$326 USD
Retailer 1$491 USD
Retailer 5$503 USD
Retailer 8$547 USD
Retailer 4$649 USD
Retailer 3$971 USD
Retailer 2$1,061 USD

41 data points across 8 retailers

15 retailers$217 USD to $1,860 USD

Retailer 1
-
$186 USD
Price last confirmed 34 days ago
A
Retailer 2
-
$217 USD
View
Final sale: no returns
Retailer 3
-
$225 USD
View
Price last confirmed 37 days ago
Retailer 4
-
$241 USD
View
Price last confirmed 33 days ago
B+
Retailer 5
-
$326 USD
View
B+
Retailer 6
-
$491 USD
View
A
Retailer 7
-
$503 USD
View
B+
Retailer 8
-
$547 USD
View
B+
Retailer 9
-
$649 USD
View
Retailer 10
-
$854 USD
View
Price last confirmed 36 days ago
B
Retailer 11
-
$971 USD
View
B
Retailer 12
-
$1,032 USD
View
B
Retailer 13
-
$1,061 USD
View
B
Retailer 14
-
$1,622 USD
View
Most Expensive
B
Do Amore Diamonds
27-0B8D5CA87 · Nov 4
$1,860 USD
View
14 more retailers have this diamond
Prices start from $217 USDSave up to $1,643 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
$217 USD