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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 €621 EUR
As of November 4, 2026
Save €4,305 EUR (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €4,926 EUR at Do Amore Diamonds · As of November 5, 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 November 4, 2026, with prices from €621 to €4,926, a €4,305 spread on the same certified stone. Do Amore Diamonds lists it at €4,926. 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
Colour
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: Nov 4
Current: €4,926 EUR|Low: €533 EUR|High: €5,636 EUR|Avg: €1,622 EUR|-12.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 5€533 EUR
Retailer 16€621 EUR
Retailer 4€688 EUR
Retailer 15€688 EUR
Retailer 10€803 EUR
Retailer 9€864 EUR
Retailer 7€886 EUR
Retailer 12€902 EUR
Retailer 6€911 EUR
Retailer 11€1,605 EUR
Retailer 13€1,634 EUR
Retailer 14€1,645 EUR
Retailer 3€2,246 EUR
Retailer 8€2,549 EUR
Retailer 2€2,782 EUR
Do Amore Diamonds€4,926 EUR

30 data points across 16 retailers

23 retailers€621 EUR to €4,926 EUR

Retailer 1
-
€533 EUR
Price last confirmed 34 days ago
Retailer 2
-
€555 EUR
View
Price last confirmed 9 days ago
Retailer 3
-
€604 EUR
View
Price last confirmed 37 days ago
A
Retailer 4
-
€621 EUR
View
Final sale: no returns
Retailer 5
-
€688 EUR
View
Price last confirmed 33 days ago
Retailer 6
-
€688 EUR
View
Price last confirmed 11 days ago
A
Retailer 7
-
€688 EUR
View
Retailer 8
-
€688 EUR
View
Price last confirmed 20 days ago
A
Retailer 9
-
€803 EUR
View
A
Retailer 10
-
€864 EUR
View
A
Retailer 11
-
€886 EUR
View
Retailer 12
-
€902 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
€911 EUR
View
A
Retailer 14
-
€999 EUR
View
B+
Retailer 15
-
€1,605 EUR
View
Retailer 16
-
€1,634 EUR
View
Price last confirmed 12 days ago
B
Retailer 17
-
€1,645 EUR
View
Retailer 18
-
€1,998 EUR
View
Price last confirmed 11 days ago
Retailer 19
-
€1,998 EUR
View
Price last confirmed 36 days ago
B
Retailer 20
-
€2,246 EUR
View
B
Retailer 21
-
€2,549 EUR
View
B
Retailer 22
-
€2,782 EUR
View
Most Expensive
B
Do Amore Diamonds
27-DEF17AF96 · Nov 5
€4,926 EUR
$5,550 USD
View
22 more retailers have this diamond
Prices start from €621 EURSave up to €4,305 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
€621 EUR