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Heart|Lab Grown|IGI

1.55ct E VVS1 Heart Lab Grown Diamond

EX • E/VVS1 • IGI LG786673219

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG786673219

Diamond specifications and retailer prices

From £261 GBP
As of October 24, 2026
Save £688 GBP (72%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,254 GBP at Brilliant Earth · As of October 17, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG786673219 or 786673219. Listed at 21 retailers as of October 24, 2026, with a 263% 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
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786673219
Dimensions7.26 × 8.15 × 4.62 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.26 mm8.15 mm1.55 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786673219
Side View
Table 59.0%Crown 38.3°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 56.7%

Caratlytics Score

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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: Oct 24
Current: £1,254 GBP|Low: £191 GBP|High: £1,254 GBP|Avg: £473 GBP
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
Retailer 14
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Retailer 17
October 24, 2026
Retailer 17£199 GBP
Retailer 14£222 GBP
Retailer 7£231 GBP
Retailer 4£247 GBP
Retailer 8£247 GBP
Retailer 10£261 GBP
Retailer 5£332 GBP
Retailer 12£369 GBP
Retailer 11£417 GBP
Retailer 9£443 GBP
Retailer 2£457 GBP
Retailer 13£580 GBP
Retailer 15£631 GBP
Retailer 6£793 GBP
Retailer 3£905 GBP
Retailer 16£1,000 GBP
Brilliant Earth£1,254 GBP

36 data points across 17 retailers

21 retailers£261 GBP to £949 GBP

A
Retailer 1
-
£199 GBP
$267 USD
Price last confirmed 7 days ago
Retailer 2
-
£231 GBP
$309 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£247 GBP
$331 USD
View
Price last confirmed 14 days ago
Retailer 4
-
£247 GBP
$331 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£261 GBP
View
Retailer 6
-
£332 GBP
$445 USD
View
Price last confirmed 7 days ago
Retailer 7
-
£369 GBP
$495 USD
View
Price last confirmed 6 days ago
Retailer 8
-
£417 GBP
ZAR 9,035 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
£443 GBP
$594 USD
View
Price last confirmed 7 days ago
A
Retailer 10
-
£457 GBP
View
B+
Retailer 11
-
£489 GBP
$655 USD
View
Price last confirmed 7 days ago
Retailer 12
-
£580 GBP
A$1,196 AUD
View
Price last confirmed 12 days ago
Retailer 13
-
£631 GBP
$845 USD
View
Price last confirmed 7 days ago
B
Retailer 14
-
£767 GBP
$1,028 USD
View
Price last confirmed 7 days ago
Retailer 15
-
£793 GBP
$1,063 USD
View
Price last confirmed 8 days ago
Retailer 16
-
£831 GBP
$1,114 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
£905 GBP
$1,213 USD
View
B
Retailer 18
-
£949 GBP
$1,272 USD
View
Retailer 19
-
£993 GBP
A$2,046 AUD
View
Price last confirmed 156 days ago
Retailer 20
-
£1,000 GBP
View
Price last confirmed 15 days ago
Most Expensive
Brilliant Earth
18368166A · Oct 17
£1,254 GBP
$1,680 USD
View
Price last confirmed 13 days ago
20 more retailers have this diamond
Prices start from £261 GBPSave up to £688 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
£261 GBP