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Heart|Lab Grown|IGI

1.87ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG818656555

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818656555

Diamond specifications and retailer prices

From £437 GBP
$586 USD
As of November 1, 2026
Save £627 GBP (59%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,064 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.87ct lab-grown heart diamond

This 1.87ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818656555 or 818656555. Listed at 8 retailers as of November 1, 2026, with prices from £437 to £1,064, a £627 spread on the same certified stone. MOH London lists it at £1,064. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818656555
Dimensions8.64 × 7.28 × 4.91 mm
L/W Ratio1.19
Girdle conditionFaceted
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
8.64 mm7.28 mm1.87 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818656555
Side View
Table 57.0%Crown 35.7°Girdle: THK-VTKPavilion 37.3°Culet: NoneDepth 56.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,064 GBP|Low: £305 GBP|High: £1,122 GBP|Avg: £652 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 8£305 GBP
Retailer 3£437 GBP
Retailer 2£469 GBP
Retailer 4£566 GBP
Retailer 5£852 GBP
Retailer 7£860 GBP
Retailer 6£890 GBP
MOH London£1,064 GBP

41 data points across 8 retailers

8 retailers£437 GBP to £1,064 GBP

Retailer 1
-
£305 GBP
HK$3,200 HKD
Price last confirmed 59 days ago
A
Retailer 2
-
£437 GBP
$586 USD
View
A
Retailer 3
-
£469 GBP
View
B+
Retailer 4
-
£566 GBP
$760 USD
View
B
Retailer 5
-
£852 GBP
A$1,760 AUD
View
B
Retailer 6
-
£878 GBP
$1,178 USD
View
B+
Retailer 7
-
£890 GBP
$1,194 USD
View
Most Expensive
B
MOH London
LG818656555 · Nov 1
£1,064 GBP
View
7 more retailers have this diamond
Prices start from £437 GBPSave up to £627 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
1.87ct Heart
£437 GBP