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Heart|Lab Grown|IGI

1.55ct D VS2 Heart Lab Grown Diamond

ID • D/VS2 • IGI LG770676941

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG770676941

Diamond specifications and retailer prices

From £299 GBP
$400 USD
As of October 30, 2026
Save £592 GBP (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £891 GBP at MOH London · As of October 29, 2026
View at MOH London

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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770676941 or 770676941. Listed at 6 retailers as of October 29, 2026, with prices from £299 to £891, a £592 spread on the same certified stone. MOH London lists it at £891. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770676941
Dimensions7.38 × 7.78 × 4.80 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.38 mm7.78 mm1.55 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770676941
Side View
Table 57.0%Crown 34.7°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £891 GBP|Low: £299 GBP|High: £897 GBP|Avg: £531 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2£299 GBP
Retailer 5£404 GBP
Retailer 3£417 GBP
Retailer 4£466 GBP
Retailer 6£749 GBP
MOH London£891 GBP

40 data points across 6 retailers

6 retailers£299 GBP to £891 GBP

B+
Cheapest Retailer
-
£299 GBP
$400 USD
B+
Retailer 2
-
£404 GBP
$541 USD
View
B+
Retailer 3
-
£417 GBP
View
B+
Retailer 4
-
£466 GBP
$624 USD
View
B
Retailer 5
-
£749 GBP
$1,004 USD
View
Most Expensive
B
MOH London
LG770676941 · Oct 29
£891 GBP
View
5 more retailers have this diamond
Prices start from £299 GBPSave up to £592 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.

B+
1.55ct Heart
£299 GBP