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Heart|Lab Grown|IGI

3.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG851699527

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG851699527

Diamond specifications and retailer prices

From €482 EUR
$538 USD
As of October 30, 2026
Save €2,011 EUR (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,493 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 3.51ct lab-grown heart diamond

This 3.51ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851699527 or 851699527. Listed at 15 retailers as of October 30, 2026, with prices from €482 to €2,493, a €2,011 spread on the same certified stone. MOH London lists it at €2,493. 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
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851699527
Dimensions9.25 × 10.52 × 6.26 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.25 mm10.52 mm3.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851699527
Side View
Table 54.0%Crown 34.5°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 59.5%

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: €2,493 EUR|Low: €482 EUR|High: €2,493 EUR|Avg: €1,159 EUR
MOH London
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
November 2, 2026
Retailer 4€482 EUR
Retailer 5€539 EUR
Retailer 8€540 EUR
Retailer 10€597 EUR
Retailer 9€681 EUR
Retailer 13€716 EUR
Retailer 3€923 EUR
Retailer 2€930 EUR
Retailer 14€931 EUR
Retailer 12€1,404 EUR
Retailer 11€1,571 EUR
Retailer 7€1,890 EUR
Retailer 15€1,923 EUR
Retailer 6€1,939 EUR
MOH London€2,493 EUR

4 data points across 15 retailers

15 retailers€482 EUR to €2,493 EUR

A
Cheapest Retailer
-
€482 EUR
$538 USD
A
Retailer 2
-
€539 EUR
$602 USD
View
Final sale: no returns
A
Retailer 3
-
€540 EUR
$603 USD
View
A
Retailer 4
-
€597 EUR
$667 USD
View
A
Retailer 5
-
€681 EUR
£599 GBP
View
A
Retailer 6
-
€716 EUR
$800 USD
View
B+
Retailer 7
-
€923 EUR
$1,031 USD
View
A
Retailer 8
-
€930 EUR
£818 GBP
View
A
Retailer 9
-
€931 EUR
$1,040 USD
View
B+
Retailer 10
-
€1,404 EUR
$1,569 USD
View
B+
Retailer 11
-
€1,571 EUR
$1,755 USD
View
B+
Retailer 12
-
€1,890 EUR
SGD 2,853 SGD
View
B+
Retailer 13
-
€1,923 EUR
$2,148 USD
View
B+
Retailer 14
-
€1,939 EUR
$2,166 USD
View
Most Expensive
B
MOH London
LG851699527 · Nov 1
€2,493 EUR
£2,193 GBP
View
14 more retailers have this diamond
Prices start from €482 EURSave up to €2,011 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
€482 EUR