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Heart|Lab Grown|IGI

3.51ct H VS1 Heart Lab Grown Diamond

EX • H/VS1 • IGI LG644444604

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG644444604

Diamond specifications and retailer prices

From €559 EUR
$625 USD
As of October 27, 2026
Save €4,408 EUR (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €4,968 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown heart diamond

This 3.51ct lab-grown heart sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG644444604 or 644444604. Listed at 23 retailers as of October 27, 2026, with prices from €559 to €4,968, a €4,408 spread on the same certified stone. Do Amore Diamonds lists it at €4,968. 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

3.51
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644444604
Dimensions8.96 × 10.53 × 6.41 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.96 mm10.53 mm3.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644444604
Side View
Table 59.0%Crown 37.2°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 60.9%

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: Oct 27
Current: €4,968 EUR|Low: €537 EUR|High: €5,684 EUR|Avg: €1,608 EUR|-12.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
November 1, 2026
Retailer 5€537 EUR
Retailer 17€627 EUR
Retailer 4€694 EUR
Retailer 16€694 EUR
Retailer 15€801 EUR
Retailer 10€874 EUR
Retailer 7€893 EUR
Retailer 12€909 EUR
Retailer 6€918 EUR
Retailer 9€1,130 EUR
Retailer 11€1,619 EUR
Retailer 13€1,649 EUR
Retailer 14€1,659 EUR
Retailer 3€2,266 EUR
Retailer 8€2,571 EUR
Retailer 2€2,815 EUR
Do Amore Diamonds€4,968 EUR

28 data points across 17 retailers

23 retailers€559 EUR to €4,968 EUR

Retailer 1
-
€537 EUR
$600 USD
Price last confirmed 30 days ago
A
Retailer 2
-
€559 EUR
$625 USD
View
Retailer 3
-
€609 EUR
$680 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
€627 EUR
$700 USD
View
Final sale: no returns
Retailer 5
-
€694 EUR
$775 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
€694 EUR
$775 USD
View
A
Retailer 7
-
€694 EUR
$775 USD
View
Retailer 8
-
€694 EUR
$775 USD
View
Price last confirmed 16 days ago
A
Retailer 9
-
€801 EUR
$895 USD
View
A
Retailer 10
-
€874 EUR
£769 GBP
View
A
Retailer 11
-
€893 EUR
$998 USD
View
A
Retailer 12
-
€909 EUR
$1,016 USD
View
B+
Retailer 13
-
€918 EUR
$1,026 USD
View
A
Retailer 14
-
€1,008 EUR
$1,126 USD
View
B+
Retailer 15
-
€1,619 EUR
A$2,782 AUD
View
Retailer 16
-
€1,649 EUR
ZAR 29,754 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 17
-
€1,659 EUR
$1,853 USD
View
B
Retailer 18
-
€2,015 EUR
$2,251 USD
View
Retailer 19
-
€2,015 EUR
$2,251 USD
View
Price last confirmed 31 days ago
B
Retailer 20
-
€2,266 EUR
$2,532 USD
View
B
Retailer 21
-
€2,571 EUR
$2,872 USD
View
B
Retailer 22
-
€2,815 EUR
£2,476 GBP
View
Most Expensive
B
Do Amore Diamonds
27-DEF17AF96 · Nov 1
€4,968 EUR
$5,550 USD
View
22 more retailers have this diamond
Prices start from €559 EURSave up to €4,408 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
3.51ct Heart
€559 EUR