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Heart|Lab Grown|IGI

1.55ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG629404267

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG629404267

Diamond specifications and retailer prices

From £192 GBP
As of November 4, 2026
Save £1,160 GBP (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,352 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629404267 or 629404267. Listed at 17 retailers as of November 4, 2026, with prices from £192 to £1,352, a £1,160 spread on the same certified stone. Do Amore Diamonds lists it at £1,352. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629404267
Dimensions7.13 × 8.03 × 4.59 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.13 mm8.03 mm1.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629404267
Side View
Table 62.0%Crown 38.7°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 57.2%

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 4
Current: £1,352 GBP|Low: £165 GBP|High: £1,664 GBP|Avg: £612 GBP|-18.0%
Do Amore Diamonds
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 3£173 GBP
Retailer 5£192 GBP
Retailer 12£201 GBP
Retailer 13£288 GBP
Retailer 8£409 GBP
Retailer 2£445 GBP
Retailer 7£554 GBP
Retailer 11£692 GBP
Retailer 10£873 GBP
Retailer 4£887 GBP
Retailer 6£946 GBP
Retailer 9£1,343 GBP
Do Amore Diamonds£1,352 GBP

45 data points across 13 retailers

17 retailers£192 GBP to £1,352 GBP

Retailer 1
-
£173 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
£192 GBP
View
Final sale: no returns
Retailer 3
-
£201 GBP
View
Price last confirmed 15 days ago
Retailer 4
-
£215 GBP
View
Price last confirmed 17 days ago
Retailer 5
-
£215 GBP
View
Price last confirmed 20 days ago
B+
Retailer 6
-
£288 GBP
View
A
Retailer 7
-
£291 GBP
View
A
Retailer 8
-
£409 GBP
View
B+
Retailer 9
-
£445 GBP
View
B+
Retailer 10
-
£554 GBP
View
B
Retailer 11
-
£692 GBP
View
Retailer 12
-
£762 GBP
View
Price last confirmed 16 days ago
B
Retailer 13
-
£873 GBP
View
B
Retailer 14
-
£887 GBP
View
B
Retailer 15
-
£946 GBP
View
B
Retailer 16
-
£1,343 GBP
View
Most Expensive
B
Do Amore Diamonds
36-1874439 · Nov 4
£1,352 GBP
$1,820 USD
View
16 more retailers have this diamond
Prices start from £192 GBPSave up to £1,160 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
£192 GBP