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Heart|Lab Grown|IGI

1.20ct D VVS2 Heart Lab Grown Diamond

ID • D/VVS2 • IGI LG591310913

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG591310913

Diamond specifications and retailer prices

From $189 USD
As of November 4, 2026
Save $905 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,146 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.2ct lab-grown heart diamond

This 1.2ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG591310913 or 591310913. Listed at 20 retailers as of November 4, 2026, with a 479% 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

1.20
Carat
D
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591310913
Dimensions6.94 × 7.32 × 4.04 mm
L/W Ratio1.05
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
6.94 mm7.32 mm1.20 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591310913
Side View
Table 64.0%Crown 35.4°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 55.2%

Caratlytics Score

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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: $422 USD|Low: $189 USD|High: $1,120 USD|Avg: $509 USD|-12.4%
Retailer 1
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Retailer 17
November 5, 2026
Retailer 9$189 USD
Retailer 7$211 USD
Retailer 5$220 USD
Retailer 2$235 USD
Retailer 4$235 USD
Retailer 11$306 USD
Retailer 15$395 USD
Retailer 14$405 USD
Retailer 8$411 USD
Retailer 1$422 USD
Retailer 3$493 USD
Retailer 13$572 USD
Retailer 12$606 USD
Retailer 17$754 USD
Retailer 6$808 USD
Retailer 16$830 USD
Retailer 10$1,094 USD

33 data points across 17 retailers

20 retailers$189 USD to $1,094 USD

A
Cheapest Retailer
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$189 USD
A
Retailer 2
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$211 USD
View
Final sale: no returns
A
Retailer 3
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$220 USD
View
A
Retailer 4
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$235 USD
View
Retailer 5
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$235 USD
View
Price last confirmed 11 days ago
Retailer 6
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$263 USD
View
Price last confirmed 41 days ago
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Retailer 7
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$306 USD
View
A
Retailer 8
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$395 USD
View
A
Retailer 9
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$405 USD
View
A
Retailer 10
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$411 USD
View
A
Retailer 11
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$422 USD
View
B+
Retailer 12
-
$493 USD
View
B+
Retailer 13
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$572 USD
View
B+
Retailer 14
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$606 USD
View
B+
Retailer 15
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$754 USD
View
B+
Retailer 16
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$757 USD
View
B
Retailer 17
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$808 USD
View
B+
Retailer 18
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$830 USD
View
B
Retailer 19
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$1,094 USD
View
Most Expensive
Queensmith
LG591310913 · Oct 27
$2,146 USD
£1,690 GBP
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from $189 USDSave up to $905 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
1.20ct Heart
$189 USD