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Heart|Lab Grown|IGI

0.86ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG620446140

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620446140

Diamond specifications and retailer prices

From £417 GBP
$560 USD
As of November 2, 2026
Save £74 GBP (15%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £491 GBP at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 0.86ct lab-grown heart diamond

This 0.86ct lab-grown heart sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620446140 or 620446140. Listed at 2 retailers as of November 2, 2026, with prices from £417 to £491, a £74 spread on the same certified stone. Diamond Quarter lists it at £491. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.86
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620446140
Dimensions6.67 × 5.84 × 3.93 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.67 mm5.84 mm0.86 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620446140
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 58.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: £548 GBP|Low: £237 GBP|High: £1,244 GBP|Avg: £436 GBP|-6.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
March 23, 2026
Retailer 6£237 GBP
Retailer 2£256 GBP
Retailer 7£417 GBP
Retailer 3£437 GBP
Retailer 1£548 GBP
Retailer 5£698 GBP
Retailer 4£1,244 GBP

32 data points across 7 retailers

2 retailers£417 GBP to £491 GBP

B
Cheapest Retailer
-
£417 GBP
$560 USD
Most Expensive
B
Diamond Quarter
0.86VS1FLG40B55FN · Nov 2
£491 GBP
View
1 more retailer has this diamond
Prices start from £417 GBPSave up to £74 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.

B
0.86ct Heart
£417 GBP