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Heart|Lab Grown|IGI

1.55ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG510184251

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG510184251

Diamond specifications and retailer prices

From €267 EUR
As of November 6, 2026
Save €1,112 EUR (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,379 EUR at Brilliant Earth · As of November 6, 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 LG510184251 or 510184251. Listed at 21 retailers as of November 6, 2026, with prices from €267 to €1,379, a €1,112 spread on the same certified stone. Brilliant Earth lists it at €1,379. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510184251
Dimensions8.09 × 7.20 × 4.67 mm
L/W Ratio1.12
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
8.09 mm7.20 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510184251
Side View
Table 55.0%Crown 34.5°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 57.7%

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 6
Current: €1,379 EUR|Low: €256 EUR|High: €1,451 EUR|Avg: €763 EUR|-4.9%
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
November 6, 2026
Retailer 12€267 EUR
Retailer 13€330 EUR
Retailer 2€384 EUR
Retailer 10€470 EUR
Retailer 5€541 EUR
Retailer 9€570 EUR
Retailer 6€579 EUR
Retailer 8€775 EUR
Retailer 11€1,016 EUR
Retailer 4€1,063 EUR
Retailer 3€1,272 EUR
Retailer 7€1,321 EUR
Brilliant Earth€1,379 EUR

38 data points across 13 retailers

21 retailers€267 EUR to €1,379 EUR

A
Cheapest Retailer
-
€267 EUR
A
Retailer 2
-
€298 EUR
View
Final sale: no returns
A
Retailer 3
-
€309 EUR
View
A
Retailer 4
-
€330 EUR
View
Retailer 5
-
€330 EUR
View
Price last confirmed 13 days ago
A
Retailer 6
-
€384 EUR
View
A
Retailer 7
-
€470 EUR
View
A
Retailer 8
-
€503 EUR
View
B+
Retailer 9
-
€541 EUR
View
B+
Retailer 10
-
€564 EUR
View
B+
Retailer 11
-
€570 EUR
View
B+
Retailer 12
-
€579 EUR
View
B+
Retailer 13
-
€775 EUR
View
B+
Retailer 14
-
€848 EUR
View
B
Retailer 15
-
€1,016 EUR
View
B
Retailer 16
-
€1,063 EUR
View
B
Retailer 17
-
€1,105 EUR
View
B
Retailer 18
-
€1,272 EUR
View
B
Retailer 19
-
€1,321 EUR
View
B
Retailer 20
-
€1,348 EUR
View
Most Expensive
B
Brilliant Earth
17972451A · Nov 6
€1,379 EUR
$1,540 USD
View
20 more retailers have this diamond
Prices start from €267 EURSave up to €1,112 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
€267 EUR