CaratHunter
Plans
Heart|Lab Grown|IGI

1.86ct F VS1 Heart Lab Grown Diamond

VG • F/VS1 • IGI LGG1210807

Certificate IGI LGG1210807

Diamond specifications and retailer prices

From £232 GBP
$312 USD
As of November 1, 2026
Save £806 GBP (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,039 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 very-good cut grade and certified by IGI LGG1210807. Listed at 6 retailers as of October 31, 2026, with prices from £232 to £1,039, a £806 spread on the same certified stone. Taylor and Hart lists it at £1,039. 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
Very Good
Cut

Specifications

CutVery Good
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
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LGG1210807
Side View
Table 58.0%CrownGirdle: MED-UNDPavilionCulet: NoneDepth 54.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £333 GBP|Low: £232 GBP|High: £670 GBP|Avg: £427 GBP|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4£232 GBP
Retailer 1£333 GBP
Retailer 2£508 GBP
Retailer 3£665 GBP

44 data points across 4 retailers

6 retailers£232 GBP to £1,039 GBP

A
Cheapest Retailer
-
£232 GBP
$312 USD
Final sale: no returns
A
Retailer 2
-
£333 GBP
View
A
Retailer 3
-
£376 GBP
$505 USD
View
B+
Retailer 4
-
£508 GBP
View
B+
Retailer 5
-
£665 GBP
A$1,373 AUD
View
Most Expensive
B
Taylor and Hart
9S53ZXD · Oct 31
£1,039 GBP
$1,394 USD
View
5 more retailers have this diamond
Prices start from £232 GBPSave up to £806 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
£232 GBP