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Heart|Lab Grown|IGI

1.55ct F VVS2 Heart Lab Grown Diamond

ID • F/VVS2 • IGI LG803618592

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG803618592

Diamond specifications and retailer prices

From £245 GBP
As of November 2, 2026
Save £652 GBP (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,468 GBP at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

About this 1.55ct lab-grown heart diamond

This 1.55ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG803618592 or 803618592. Listed at 16 retailers as of November 1, 2026, with a 266% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803618592
Dimensions8.17 × 7.30 × 4.67 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.17 mm7.30 mm1.55 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803618592
Side View
Table 65.0%Crown 32.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 57.2%

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: £413 GBP|Low: £229 GBP|High: £929 GBP|Avg: £518 GBP|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 3£229 GBP
Retailer 6£245 GBP
Retailer 10£372 GBP
Retailer 7£381 GBP
Retailer 8£410 GBP
Retailer 1£413 GBP
Retailer 4£515 GBP
Retailer 9£712 GBP
Retailer 2£748 GBP
Retailer 5£884 GBP
Retailer 11£897 GBP

39 data points across 11 retailers

16 retailers£245 GBP to £897 GBP

Retailer 1
-
£177 GBP
$238 USD
Price last confirmed 31 days ago
Retailer 2
-
£215 GBP
$288 USD
View
Price last confirmed 35 days ago
Retailer 3
-
£227 GBP
$304 USD
View
Price last confirmed 38 days ago
Retailer 4
-
£229 GBP
$307 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
£245 GBP
View
A
Retailer 6
-
£372 GBP
$499 USD
View
A
Retailer 7
-
£381 GBP
ZAR 8,253 ZAR
View
A
Retailer 8
-
£410 GBP
$550 USD
View
A
Retailer 9
-
£413 GBP
View
B+
Retailer 10
-
£515 GBP
A$1,064 AUD
View
B
Retailer 11
-
£712 GBP
$955 USD
View
Retailer 12
-
£736 GBP
$988 USD
View
Price last confirmed 33 days ago
B
Retailer 13
-
£748 GBP
$1,003 USD
View
B
Retailer 14
-
£884 GBP
View
B
Retailer 15
-
£897 GBP
$1,204 USD
View
Most Expensive
Brilliant Earth
21127537A · Sep 23
£1,468 GBP
$1,970 USD
View
Price last confirmed 40 days ago
15 more retailers have this diamond
Prices start from £245 GBPSave up to £652 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
1.55ct Heart
£245 GBP