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Heart|Lab Grown|IGI

0.91ct F VVS2 Heart Lab Grown Diamond

ID • F/VVS2 • IGI LG591378159

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG591378159

Diamond specifications and retailer prices

From $145 USD
As of November 6, 2026
Save $694 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $839 USD at MOH London · As of November 2, 2026
View at MOH London

About this 0.91ct lab-grown heart diamond

This 0.91ct lab-grown heart sits in the just-under-one-carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG591378159 or 591378159. Listed at 19 retailers as of November 2, 2026, with prices from $145 to $839, a $694 spread on the same certified stone. MOH London lists it at $839. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.91
Carat
F
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591378159
Dimensions6.28 × 6.64 × 3.86 mm
L/W Ratio1.06
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
6.28 mm6.64 mm0.91 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591378159
Side View
Table 62.0%Crown 38.7°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 58.1%

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 6
Current: $839 USD|Low: $144 USD|High: $881 USD|Avg: $381 USD|-3.6%
MOH London
Retailer 2
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 6, 2026
Retailer 6$145 USD
Retailer 4$168 USD
Retailer 9$168 USD
Retailer 3$180 USD
Retailer 16$180 USD
Retailer 10$306 USD
Retailer 13$315 USD
Retailer 2$320 USD
Retailer 17$324 USD
Retailer 5$333 USD
Retailer 14$369 USD
Retailer 12$447 USD
Retailer 11$460 USD
Retailer 15$577 USD
Retailer 7$632 USD
Retailer 8$640 USD
MOH London$839 USD

44 data points across 17 retailers

19 retailers$145 USD to $839 USD

A
Cheapest Retailer
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$145 USD
A
Retailer 2
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$168 USD
View
A
Retailer 3
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$168 USD
View
Final sale: no returns
A
Retailer 4
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$180 USD
View
Retailer 5
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$180 USD
View
Price last confirmed 13 days ago
Retailer 6
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$184 USD
View
Price last confirmed 43 days ago
A
Retailer 7
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$306 USD
View
A
Retailer 8
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$315 USD
View
A
Retailer 9
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$320 USD
View
A
Retailer 10
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$324 USD
View
A
Retailer 11
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$333 USD
View
A
Retailer 12
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$369 USD
View
B+
Retailer 13
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$447 USD
View
B+
Retailer 14
-
$460 USD
View
B+
Retailer 15
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$577 USD
View
B
Retailer 16
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$610 USD
View
B
Retailer 17
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$632 USD
View
Retailer 18
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$640 USD
View
Price last confirmed 22 days ago
Most Expensive
B
MOH London
LG591378159 · Nov 2
$839 USD
£661 GBP
View
18 more retailers have this diamond
Prices start from $145 USDSave up to $694 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
0.91ct Heart
$145 USD