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Heart|Lab Grown|IGI

1.86ct F VS1 Heart Lab Grown Diamond

F/VS1 • IGI LGG1210807

Certificate IGI LGG1210807

Diamond specifications and retailer prices

From £492 GBP
ZAR 10,663 ZAR
As of November 2, 2026
Save £651 GBP (57%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,143 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) and certified by IGI LGG1210807 or G1210807. Listed at 2 retailers as of November 1, 2026, with prices from £492 to £1,143, a £651 spread on the same certified stone. MOH London lists it at £1,143. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.86
Carat
F
Colour
VS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LGG1210807
Dimensions7.85 × 8.68 × 4.74 mm
L/W Ratio1.11
Top View
7.85 mm8.68 mm1.86 ctF / VS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LGG1210807
Side View
Table 58.0%CrownGirdle: MED-UNDPavilionCulet: NoneDepth 54.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,143 GBP|Low: £479 GBP|High: £1,156 GBP|Avg: £808 GBP
MOH London
Retailer 2
November 2, 2026
Retailer 2£492 GBP
MOH London£1,143 GBP

17 data points across 2 retailers

2 retailers£492 GBP to £1,143 GBP

B+
Cheapest Retailer
-
£492 GBP
ZAR 10,663 ZAR
Most Expensive
B
MOH London
LGG1210807 · Nov 1
£1,143 GBP
View
1 more retailer has this diamond
Prices start from £492 GBPSave up to £651 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+
1.86ct Heart
£492 GBP