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Heart|Lab Grown|IGI

1.55ct F VS1 Heart Lab Grown Diamond

EX • F/VS1 • IGI LG766601643

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG766601643

Diamond specifications and retailer prices

From €227 EUR
As of November 2, 2026
Save €878 EUR (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €1,451 EUR at Brilliant Earth · As of October 16, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG766601643 or 766601643. Listed at 23 retailers as of November 2, 2026, with a 387% 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
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766601643
Dimensions7.24 × 7.89 × 4.72 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.24 mm7.89 mm1.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766601643
Side View
Table 64.0%Crown 37.2°Girdle: MED-STKPavilion 42.3°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
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 2
Current: €1,451 EUR|Low: €218 EUR|High: €1,451 EUR|Avg: €534 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12€227 EUR
Retailer 4€280 EUR
Retailer 6€326 EUR
Retailer 3€394 EUR
Retailer 11€425 EUR
Retailer 5€452 EUR
Retailer 2€475 EUR
Retailer 7€529 EUR
Retailer 8€657 EUR
Retailer 9€715 EUR
Retailer 10€1,130 EUR
Brilliant Earth€1,451 EUR

37 data points across 12 retailers

23 retailers€227 EUR to €1,104 EUR

A
Cheapest Retailer
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€227 EUR
A
Retailer 2
-
€262 EUR
View
A
Retailer 3
-
€280 EUR
View
Retailer 4
-
€280 EUR
View
Price last confirmed 13 days ago
A
Retailer 5
-
€326 EUR
View
B+
Retailer 6
-
€394 EUR
View
A
Retailer 7
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€425 EUR
View
A
Retailer 8
-
€452 EUR
View
A
Retailer 9
-
€475 EUR
View
A
Retailer 10
-
€489 EUR
View
B+
Retailer 11
-
€529 EUR
View
B+
Retailer 12
-
€585 EUR
View
B+
Retailer 13
-
€657 EUR
View
B+
Retailer 14
-
€715 EUR
View
B
Retailer 15
-
€862 EUR
View
B
Retailer 16
-
€883 EUR
View
B
Retailer 17
-
€902 EUR
View
B
Retailer 18
-
€906 EUR
View
B
Retailer 19
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€948 EUR
View
B
Retailer 20
-
€1,104 EUR
View
Retailer 21
-
€1,130 EUR
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
18204873A · Oct 16
€1,451 EUR
$1,620 USD
View
Price last confirmed 21 days ago
21 more retailers have this diamond
Prices start from €227 EURSave up to €878 EUR

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
€227 EUR