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Heart|Lab Grown|IGI

1.18ct F VVS1 Heart Lab Grown Diamond

EX • F/VVS1 • IGI LG840663862

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840663862

Diamond specifications and retailer prices

From $231 USD
As of November 1, 2026
Save $256 USD (53%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $487 USD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.18ct lab-grown heart diamond

This 1.18ct lab-grown heart sits in the classic one-carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840663862 or 840663862. Listed at 2 retailers as of November 1, 2026, with prices from $231 to $487, a $256 spread on the same certified stone. 77 Diamonds lists it at $487. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840663862
Dimensions6.39 × 7.21 × 4.42 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.39 mm7.21 mm1.18 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840663862
Side View
Table 57.0%Crown 35.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $487 USD|Low: $231 USD|High: $554 USD|Avg: $433 USD|-11.7%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2$231 USD
77 Diamonds$487 USD

30 data points across 2 retailers

2 retailers$231 USD to $487 USD

A
Cheapest Retailer
-
$231 USD
Final sale: no returns
Most Expensive
B+
77 Diamonds
HSTVSWXAJBQ4E · Nov 2
$487 USD
£384 GBP
View
1 more retailer has this diamond
Prices start from $231 USDSave up to $256 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
1.18ct Heart
$231 USD