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Heart|Lab Grown|IGI

1.55ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG665445007

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG665445007

Diamond specifications and retailer prices

From €245 EUR
As of November 6, 2026
Save €954 EUR (80%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,872 EUR at Brilliant Earth · As of October 25, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665445007 or 665445007. Listed at 24 retailers as of November 6, 2026, with a 389% 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
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665445007
Dimensions7.28 × 7.77 × 4.68 mm
L/W Ratio1.07
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
7.28 mm7.77 mm1.55 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665445007
Side View
Table 57.0%Crown 36.7°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 60.2%

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 6
Current: €1,872 EUR|Low: €245 EUR|High: €1,872 EUR|Avg: €697 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 19
November 7, 2026
Retailer 4€245 EUR
Retailer 13€304 EUR
Retailer 8€309 EUR
Retailer 6€367 EUR
Retailer 16€449 EUR
Retailer 15€462 EUR
Retailer 18€493 EUR
Retailer 19€498 EUR
Retailer 11€502 EUR
Retailer 14€511 EUR
Retailer 2€579 EUR
Retailer 17€639 EUR
Retailer 9€880 EUR
Retailer 5€880 EUR
Retailer 3€923 EUR
Retailer 10€991 EUR
Retailer 12€1,087 EUR
Retailer 7€1,199 EUR
Brilliant Earth€1,872 EUR

31 data points across 19 retailers

24 retailers€245 EUR to €1,199 EUR

A
Cheapest Retailer
-
€245 EUR
Final sale: no returns
Retailer 2
-
€266 EUR
View
Price last confirmed 21 days ago
A
Retailer 3
-
€304 EUR
View
Retailer 4
-
€309 EUR
View
Price last confirmed 39 days ago
A
Retailer 5
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€309 EUR
View
Retailer 6
-
€330 EUR
View
Price last confirmed 23 days ago
Retailer 7
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€330 EUR
View
Price last confirmed 22 days ago
B+
Retailer 8
-
€367 EUR
View
A
Retailer 9
-
€449 EUR
View
A
Retailer 10
-
€462 EUR
View
B+
Retailer 11
-
€493 EUR
View
B+
Retailer 12
-
€498 EUR
View
Retailer 13
-
€502 EUR
View
Price last confirmed 15 days ago
A
Retailer 14
-
€511 EUR
View
B+
Retailer 15
-
€579 EUR
View
B+
Retailer 16
-
€639 EUR
View
B
Retailer 17
-
€880 EUR
View
B+
Retailer 18
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€880 EUR
View
B
Retailer 19
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€923 EUR
View
B
Retailer 20
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€991 EUR
View
Retailer 21
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€1,060 EUR
View
Price last confirmed 22 days ago
B
Retailer 22
-
€1,087 EUR
View
B
Retailer 23
-
€1,199 EUR
View
Most Expensive
Brilliant Earth
18970826A · Oct 25
€1,872 EUR
$2,090 USD
View
Price last confirmed 12 days ago
23 more retailers have this diamond
Prices start from €245 EURSave up to €954 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
€245 EUR