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Heart|Lab Grown|IGI

1.86ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG579369929

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG579369929

Diamond specifications and retailer prices

From £234 GBP
$314 USD
As of November 2, 2026
Save £930 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,164 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.86ct lab-grown heart diamond

This 1.86ct 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 LG579369929 or 579369929. Listed at 18 retailers as of November 1, 2026, with prices from £234 to £1,164, a £930 spread on the same certified stone. MOH London lists it at £1,164. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle45.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579369929
Dimensions8.57 × 7.37 × 5.13 mm
L/W Ratio1.16
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
8.57 mm7.37 mm1.86 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579369929
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 45.1°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
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 2
Current: £1,164 GBP|Low: £225 GBP|High: £1,201 GBP|Avg: £555 GBP
MOH London
Retailer 2
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November 2, 2026
Retailer 15£234 GBP
Retailer 7£262 GBP
Retailer 5£272 GBP
Retailer 6£291 GBP
Retailer 16£291 GBP
Retailer 2£340 GBP
Retailer 13£406 GBP
Retailer 11£473 GBP
Retailer 8£493 GBP
Retailer 10£501 GBP
Retailer 9£518 GBP
Retailer 12£677 GBP
Retailer 14£728 GBP
Retailer 4£934 GBP
Retailer 3£1,116 GBP
MOH London£1,164 GBP

45 data points across 16 retailers

18 retailers£234 GBP to £1,164 GBP

A
Cheapest Retailer
-
£234 GBP
$314 USD
A
Retailer 2
-
£262 GBP
$352 USD
View
Final sale: no returns
A
Retailer 3
-
£272 GBP
$365 USD
View
Retailer 4
-
£291 GBP
$390 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£291 GBP
$390 USD
View
A
Retailer 6
-
£340 GBP
View
A
Retailer 7
-
£406 GBP
$545 USD
View
A
Retailer 8
-
£473 GBP
$635 USD
View
A
Retailer 9
-
£493 GBP
$662 USD
View
A
Retailer 10
-
£501 GBP
ZAR 10,860 ZAR
View
A
Retailer 11
-
£518 GBP
View
B+
Retailer 12
-
£568 GBP
$762 USD
View
B+
Retailer 13
-
£677 GBP
A$1,398 AUD
View
B+
Retailer 14
-
£728 GBP
$977 USD
View
B
Retailer 15
-
£934 GBP
$1,253 USD
View
B
Retailer 16
-
£968 GBP
$1,299 USD
View
B
Retailer 17
-
£1,116 GBP
$1,498 USD
View
Most Expensive
B
MOH London
LG579369929 · Nov 1
£1,164 GBP
View
17 more retailers have this diamond
Prices start from £234 GBPSave up to £930 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
1.86ct Heart
£234 GBP