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Heart|Lab Grown|IGI

3.51ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • IGI LG678573994

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG678573994

Diamond specifications and retailer prices

From €798 EUR
$892 USD
As of October 30, 2026
Save €3,006 EUR (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €3,804 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678573994 or 678573994. Listed at 5 retailers as of October 30, 2026, with prices from €798 to €3,804, a €3,006 spread on the same certified stone. Brilliant Earth lists it at €3,804. 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
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678573994
Dimensions10.18 × 10.18 × 9.37 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.18 mm10.18 mm3.51 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678573994
Side View
Table 54.0%Crown 37.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.6%

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: €3,804 EUR|Low: €653 EUR|High: €5,487 EUR|Avg: €1,661 EUR|-30.0%
Brilliant Earth
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
October 30, 2026
Retailer 9€653 EUR
Retailer 10€785 EUR
Retailer 13€798 EUR
Retailer 5€890 EUR
Retailer 2€976 EUR
Retailer 11€981 EUR
Retailer 4€991 EUR
Retailer 7€1,343 EUR
Retailer 14€1,417 EUR
Retailer 8€1,493 EUR
Retailer 3€1,733 EUR
Retailer 6€2,141 EUR
Brilliant Earth€3,804 EUR
Retailer 12€4,323 EUR

18 data points across 14 retailers

5 retailers€798 EUR to €3,804 EUR

B+
Cheapest Retailer
-
€798 EUR
$892 USD
A
Retailer 2
-
€976 EUR
View
A
Retailer 3
-
€1,343 EUR
A$2,308 AUD
View
B+
Retailer 4
-
€1,493 EUR
$1,668 USD
View
Most Expensive
B
Brilliant Earth
20509676A · Oct 30
€3,804 EUR
$4,250 USD
View
4 more retailers have this diamond
Prices start from €798 EURSave up to €3,006 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
€798 EUR