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Heart|Lab Grown|IGI

3.91ct E VVS2 Heart Lab Grown Diamond

EX • E/VVS2 • IGI LG712529487

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG712529487

Diamond specifications and retailer prices

From €512 EUR
$572 USD
As of October 30, 2026
Save €4,035 EUR (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €5,434 EUR at Queensmith · As of October 16, 2026
View at Queensmith

About this 3.91ct lab-grown heart diamond

This 3.91ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG712529487 or 712529487. Listed at 13 retailers as of October 29, 2026, with a 788% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.91
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712529487
Dimensions9.19 × 10.82 × 6.71 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Top View
9.19 mm10.82 mm3.91 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712529487
Side View
Table 58.0%Crown 36.2°Girdle: STK-THKPavilion 39.9°Culet: NoneDepth 62.0%

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: €5,434 EUR|Low: €386 EUR|High: €5,434 EUR|Avg: €2,145 EUR
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 4€512 EUR
Retailer 12€573 EUR
Retailer 8€636 EUR
Retailer 7€849 EUR
Retailer 2€1,057 EUR
Retailer 5€1,409 EUR
Retailer 10€1,425 EUR
Retailer 9€1,844 EUR
Retailer 13€2,063 EUR
Retailer 11€2,388 EUR
Retailer 6€2,777 EUR
Retailer 3€4,547 EUR
Queensmith€5,434 EUR

24 data points across 13 retailers

13 retailers€512 EUR to €4,547 EUR

A
Cheapest Retailer
-
€512 EUR
$572 USD
A
Retailer 2
-
€573 EUR
$640 USD
View
Final sale: no returns
A
Retailer 3
-
€636 EUR
$710 USD
View
B+
Retailer 4
-
€849 EUR
$948 USD
View
A
Retailer 5
-
€1,057 EUR
£930 GBP
View
Retailer 6
-
€1,409 EUR
A$2,421 AUD
View
Price last confirmed 10 days ago
A
Retailer 7
-
€1,425 EUR
$1,592 USD
View
B+
Retailer 8
-
€1,844 EUR
$2,060 USD
View
B+
Retailer 9
-
€2,063 EUR
$2,305 USD
View
B+
Retailer 10
-
€2,388 EUR
$2,668 USD
View
B+
Retailer 11
-
€2,777 EUR
£2,443 GBP
View
B
Retailer 12
-
€4,547 EUR
$5,080 USD
View
Most Expensive
Queensmith
LG712529487 · Oct 16
€5,434 EUR
£4,780 GBP
View
Price last confirmed 14 days ago
12 more retailers have this diamond
Prices start from €512 EURSave up to €4,035 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
3.91ct Heart
€512 EUR