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Heart|Lab Grown|IGI

1.54ct F VS2 Heart Lab Grown Diamond

ID • F/VS2 • IGI LG851658906

Certificate IGI LG851658906

Diamond specifications and retailer prices

From £382 GBP
As of November 5, 2026
Save £458 GBP (54%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £840 GBP at With Clarity · As of November 5, 2026
View at With Clarity

About this 1.54ct lab-grown heart diamond

This 1.54ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851658906 or 851658906. Listed at 4 retailers as of November 5, 2026, with prices from £382 to £840, a £458 spread on the same certified stone. With Clarity lists it at £840. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG851658906
Dimensions6.95 × 8.38 × 4.66 mm
L/W Ratio1.21
Top View
6.95 mm8.38 mm1.54 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851658906
Side View
Table 57.0%CrownGirdle: STNPavilionCulet: NoneDepth 55.6%

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 5
Current: £672 GBP|Low: £382 GBP|High: £840 GBP|Avg: £681 GBP
Retailer 1
Retailer 2
Retailer 3
With Clarity
November 5, 2026
Retailer 2£382 GBP
Retailer 1£672 GBP
Retailer 3£828 GBP
With Clarity£840 GBP

1 data point across 4 retailers

4 retailers£382 GBP to £840 GBP

A
Cheapest Retailer
-
£382 GBP
B
Retailer 2
-
£672 GBP
View
B
Retailer 3
-
£828 GBP
View
Most Expensive
B
With Clarity
851658906 · Nov 5
£840 GBP
$1,134 USD
View
3 more retailers have this diamond
Prices start from £382 GBPSave up to £458 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
1.54ct Heart
£382 GBP