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Heart|Lab Grown|IGI

3.11ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG850692420

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG850692420

Diamond specifications and retailer prices

From €441 EUR
$493 USD
As of October 30, 2026
Save €5,099 EUR (92%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €5,541 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.11ct lab-grown heart diamond

This 3.11ct 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 LG850692420 or 850692420. Listed at 12 retailers as of October 30, 2026, with prices from €441 to €5,541, a €5,099 spread on the same certified stone. Brilliant Earth lists it at €5,541. 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

3.11
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850692420
Dimensions9.16 × 10.32 × 5.67 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.16 mm10.32 mm3.11 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850692420
Side View
Table 59.0%Crown 33.1°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 54.9%

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: €5,541 EUR|Low: €441 EUR|High: €5,541 EUR|Avg: €1,479 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11€441 EUR
Retailer 4€596 EUR
Retailer 5€624 EUR
Retailer 7€671 EUR
Retailer 10€813 EUR
Retailer 12€851 EUR
Retailer 9€1,224 EUR
Retailer 6€1,438 EUR
Retailer 3€1,733 EUR
Retailer 8€1,791 EUR
Retailer 2€2,283 EUR
Brilliant Earth€5,541 EUR

3 data points across 12 retailers

12 retailers€441 EUR to €5,541 EUR

A
Cheapest Retailer
-
€441 EUR
$493 USD
A
Retailer 2
-
€596 EUR
HK$5,200 HKD
View
A
Retailer 3
-
€624 EUR
£549 GBP
View
A
Retailer 4
-
€671 EUR
$750 USD
View
A
Retailer 5
-
€813 EUR
$908 USD
View
A
Retailer 6
-
€851 EUR
$951 USD
View
B+
Retailer 7
-
€1,224 EUR
$1,368 USD
View
B+
Retailer 8
-
€1,438 EUR
$1,607 USD
View
B+
Retailer 9
-
€1,733 EUR
SGD 2,617 SGD
View
B+
Retailer 10
-
€1,791 EUR
$2,001 USD
View
Retailer 11
-
€2,283 EUR
£2,008 GBP
View
Most Expensive
B
Brilliant Earth
22364902A · Oct 31
€5,541 EUR
$6,190 USD
View
11 more retailers have this diamond
Prices start from €441 EURSave up to €5,099 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
3.11ct Heart
€441 EUR