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Heart|Lab Grown|IGI

1.55ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG852634666

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG852634666

Diamond specifications and retailer prices

From £195 GBP
As of November 5, 2026
Save £684 GBP (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £878 GBP at With Clarity · As of November 5, 2026
View at With Clarity

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 LG852634666 or 852634666. Listed at 9 retailers as of November 5, 2026, with prices from £195 to £878, a £684 spread on the same certified stone. With Clarity lists it at £878. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG852634666
Dimensions7.61 × 7.96 × 4.51 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.61 mm7.96 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG852634666
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 37.1°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: Nov 5
Current: £250 GBP|Low: £195 GBP|High: £878 GBP|Avg: £482 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
November 5, 2026
Retailer 3£195 GBP
Retailer 4£215 GBP
Retailer 2£238 GBP
Retailer 1£250 GBP
Retailer 6£403 GBP
Retailer 5£695 GBP
Retailer 7£731 GBP
With Clarity£878 GBP

2 data points across 8 retailers

9 retailers£195 GBP to £878 GBP

A
Cheapest Retailer
-
£195 GBP
Final sale: no returns
A
Retailer 2
-
£215 GBP
View
A
Retailer 3
-
£238 GBP
View
A
Retailer 4
-
£250 GBP
View
A
Retailer 5
-
£403 GBP
View
B
Retailer 6
-
£695 GBP
View
B
Retailer 7
-
£731 GBP
View
B
Retailer 8
-
£825 GBP
View
Most Expensive
B
With Clarity
852634666 · Nov 5
£878 GBP
$1,182 USD
View
8 more retailers have this diamond
Prices start from £195 GBPSave up to £684 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
£195 GBP