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Heart|Lab Grown|IGI

1.54ct F VS1 Heart Lab Grown Diamond

EX • F/VS1 • IGI LG720595586

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG720595586

Diamond specifications and retailer prices

From £204 GBP
As of November 4, 2026
Save £1,015 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,219 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG720595586 or 720595586. Listed at 21 retailers as of October 30, 2026, with prices from £204 to £1,219, a £1,015 spread on the same certified stone. Brilliant Earth lists it at £1,219. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720595586
Dimensions7.45 × 7.95 × 4.62 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm7.95 mm1.54 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG720595586
Side View
Table 63.0%Crown 36°Girdle: MED-STKPavilion 42.3°Culet: NoneDepth 58.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,219 GBP|Low: £195 GBP|High: £1,337 GBP|Avg: £554 GBP|-8.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 11£204 GBP
Retailer 4£228 GBP
Retailer 13£253 GBP
Retailer 12£355 GBP
Retailer 10£371 GBP
Retailer 9£406 GBP
Retailer 8£435 GBP
Retailer 2£438 GBP
Retailer 5£504 GBP
Retailer 7£777 GBP
Retailer 3£973 GBP
Retailer 6£1,010 GBP
Brilliant Earth£1,219 GBP

45 data points across 13 retailers

21 retailers£204 GBP to £1,219 GBP

A
Cheapest Retailer
-
£204 GBP
A
Retailer 2
-
£228 GBP
View
Final sale: no returns
A
Retailer 3
-
£236 GBP
View
A
Retailer 4
-
£253 GBP
View
Retailer 5
-
£253 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£355 GBP
View
A
Retailer 7
-
£371 GBP
View
A
Retailer 8
-
£406 GBP
View
B+
Retailer 9
-
£407 GBP
View
B+
Retailer 10
-
£435 GBP
View
A
Retailer 11
-
£438 GBP
View
B+
Retailer 12
-
£504 GBP
View
B+
Retailer 13
-
£652 GBP
View
B
Retailer 14
-
£777 GBP
View
B
Retailer 15
-
£811 GBP
View
B
Retailer 16
-
£813 GBP
View
B
Retailer 17
-
£850 GBP
View
B
Retailer 18
-
£973 GBP
View
B
Retailer 19
-
£1,010 GBP
View
B
Retailer 20
-
£1,072 GBP
View
Most Expensive
B
Brilliant Earth
15924124A · Oct 30
£1,219 GBP
$1,640 USD
View
20 more retailers have this diamond
Prices start from £204 GBPSave up to £1,015 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
£204 GBP