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Heart|Lab Grown|IGI

1.55ct H VVS1 Heart Lab Grown Diamond

ID • H/VVS1 • IGI LG795644839

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG795644839

Diamond specifications and retailer prices

From £183 GBP
As of November 4, 2026
Save £843 GBP (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,025 GBP at Brilliant Earth · As of November 4, 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 H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG795644839 or 795644839. Listed at 16 retailers as of November 4, 2026, with prices from £183 to £1,025, a £843 spread on the same certified stone. Brilliant Earth lists it at £1,025. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795644839
Dimensions8.11 × 7.01 × 4.89 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.11 mm7.01 mm1.55 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795644839
Side View
Table 62.0%Crown 34.6°Girdle: THN-THKPavilion 41.5°Culet: NoneDepth 60.3%

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: Nov 4
Current: £1,025 GBP|Low: £178 GBP|High: £1,323 GBP|Avg: £548 GBP|-22.5%
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
Retailer 15
Retailer 16
Retailer 17
November 4, 2026
Retailer 3£183 GBP
Retailer 11£212 GBP
Retailer 14£227 GBP
Retailer 7£231 GBP
Retailer 10£305 GBP
Retailer 5£349 GBP
Retailer 9£392 GBP
Retailer 4£398 GBP
Retailer 12£440 GBP
Retailer 6£484 GBP
Retailer 16£530 GBP
Retailer 2£727 GBP
Retailer 13£730 GBP
Retailer 15£765 GBP
Retailer 17£924 GBP
Retailer 8£932 GBP
Brilliant Earth£1,025 GBP

34 data points across 17 retailers

16 retailers£183 GBP to £1,025 GBP

A
Cheapest Retailer
-
£183 GBP
A
Retailer 2
-
£212 GBP
View
A
Retailer 3
-
£227 GBP
View
Retailer 4
-
£231 GBP
View
Price last confirmed 11 days ago
B+
Retailer 5
-
£305 GBP
View
A
Retailer 6
-
£349 GBP
View
B+
Retailer 7
-
£398 GBP
View
B+
Retailer 8
-
£440 GBP
View
B+
Retailer 9
-
£484 GBP
View
B+
Retailer 10
-
£530 GBP
View
B
Retailer 11
-
£727 GBP
View
B
Retailer 12
-
£730 GBP
View
B
Retailer 13
-
£765 GBP
View
B
Retailer 14
-
£924 GBP
View
Retailer 15
-
£932 GBP
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
20458097A · Nov 4
£1,025 GBP
$1,380 USD
View
15 more retailers have this diamond
Prices start from £183 GBPSave up to £843 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
£183 GBP