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Heart|Lab Grown|IGI

6.40ct H VS1 Heart Lab Grown Diamond

EX • H/VS1 • IGI LG571325463

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG571325463

Diamond specifications and retailer prices

From €757 EUR
$846 USD
As of October 30, 2026
Save €5,965 EUR (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €6,722 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 6.4ct lab-grown heart diamond

This 6.4ct lab-grown heart sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG571325463 or 571325463. Listed at 16 retailers as of October 30, 2026, with prices from €757 to €6,722, a €5,965 spread on the same certified stone. Do Amore Diamonds lists it at €6,722. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.40
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571325463
Dimensions11.46 × 13.01 × 7.50 mm
L/W Ratio1.14
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
11.46 mm13.01 mm6.40 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571325463
Side View
Table 56.5%Crown 34.8°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 57.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €6,722 EUR|Low: €608 EUR|High: €7,993 EUR|Avg: €2,346 EUR
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 18
November 1, 2026
Retailer 15€757 EUR
Retailer 3€824 EUR
Retailer 5€849 EUR
Retailer 4€879 EUR
Retailer 16€879 EUR
Retailer 12€1,034 EUR
Retailer 2€1,039 EUR
Retailer 6€1,327 EUR
Retailer 17€1,413 EUR
Retailer 9€1,421 EUR
Retailer 10€1,582 EUR
Retailer 11€1,797 EUR
Retailer 14€2,020 EUR
Retailer 18€2,726 EUR
Retailer 13€3,293 EUR
Retailer 8€3,456 EUR
Do Amore Diamonds€6,722 EUR
Retailer 7€7,993 EUR

34 data points across 18 retailers

16 retailers€757 EUR to €6,722 EUR

A
Cheapest Retailer
-
€757 EUR
$846 USD
A
Retailer 2
-
€824 EUR
$921 USD
View
A
Retailer 3
-
€849 EUR
$948 USD
View
Final sale: no returns
A
Retailer 4
-
€879 EUR
$982 USD
View
Retailer 5
-
€879 EUR
$982 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
€1,034 EUR
$1,155 USD
View
A
Retailer 7
-
€1,039 EUR
£914 GBP
View
A
Retailer 8
-
€1,327 EUR
$1,483 USD
View
B+
Retailer 9
-
€1,413 EUR
$1,579 USD
View
A
Retailer 10
-
€1,421 EUR
$1,588 USD
View
B+
Retailer 11
-
€1,797 EUR
A$3,089 AUD
View
B+
Retailer 12
-
€2,020 EUR
$2,257 USD
View
B+
Retailer 13
-
€2,726 EUR
$3,046 USD
View
B
Retailer 14
-
€3,293 EUR
£2,897 GBP
View
B
Retailer 15
-
€3,456 EUR
$3,861 USD
View
Most Expensive
B
Do Amore Diamonds
27-1528B3BDA · Nov 1
€6,722 EUR
$7,510 USD
View
15 more retailers have this diamond
Prices start from €757 EURSave up to €5,965 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
6.40ct Heart
€757 EUR