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Heart|Lab Grown|IGI

1.15ct F VVS1 Heart Lab Grown Diamond

EX • F/VVS1 • IGI LG839662966

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839662966

Diamond specifications and retailer prices

From £167 GBP
As of November 6, 2026
Save £173 GBP (51%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £339 GBP at GemsNY · As of November 6, 2026
View at GemsNY

About this 1.15ct lab-grown heart diamond

This 1.15ct 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 LG839662966 or 839662966. Listed at 3 retailers as of November 6, 2026, with prices from £167 to £339, a £173 spread on the same certified stone. GemsNY lists it at £339. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839662966
Dimensions6.41 × 7.30 × 4.30 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.41 mm7.30 mm1.15 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839662966
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 58.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £339 GBP|Low: £167 GBP|High: £397 GBP|Avg: £295 GBP|-12.0%
GemsNY
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2£167 GBP
Retailer 3£255 GBP
GemsNY£339 GBP
Retailer 4£397 GBP

7 data points across 4 retailers

3 retailers£167 GBP to £339 GBP

A
Cheapest Retailer
-
£167 GBP
Final sale: no returns
B+
Retailer 2
-
£255 GBP
View
Most Expensive
B+
GemsNY
L898816 · Nov 6
£339 GBP
$454 USD
View
2 more retailers have this diamond
Prices start from £167 GBPSave up to £173 GBP

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
1.15ct Heart
£167 GBP