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Heart|Lab Grown|IGI

4.90ct E SI1 Heart Lab Grown Diamond

VG • E/SI1 • IGI LG843671405

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843671405

Diamond specifications and retailer prices

From €610 EUR
£537 GBP
As of October 27, 2026
Save €2,863 EUR (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,473 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.9ct lab-grown heart diamond

This 4.9ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG843671405 or 843671405. Listed at 10 retailers as of October 27, 2026, with prices from €610 to €3,473, a €2,863 spread on the same certified stone. Brilliant Earth lists it at €3,473. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.90
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843671405
Dimensions10.24 × 11.90 × 6.77 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.24 mm11.90 mm4.90 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843671405
Side View
Table 64.0%Crown 34.2°Girdle: STK-VTKPavilion 37.8°Culet: NoneDepth 56.9%

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 27
Current: €3,473 EUR|Low: €608 EUR|High: €3,473 EUR|Avg: €1,388 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2€610 EUR
Retailer 11€658 EUR
Retailer 7€791 EUR
Retailer 9€841 EUR
Retailer 4€1,083 EUR
Retailer 5€1,112 EUR
Retailer 8€1,742 EUR
Retailer 10€1,942 EUR
Retailer 3€2,301 EUR
Retailer 6€2,876 EUR
Brilliant Earth€3,473 EUR

7 data points across 11 retailers

10 retailers€610 EUR to €3,473 EUR

A
Cheapest Retailer
-
€610 EUR
£537 GBP
B+
Retailer 2
-
€791 EUR
HK$6,900 HKD
View
B+
Retailer 3
-
€841 EUR
$940 USD
View
B+
Retailer 4
-
€1,083 EUR
£953 GBP
View
B+
Retailer 5
-
€1,112 EUR
$1,242 USD
View
B
Retailer 6
-
€1,742 EUR
$1,946 USD
View
B
Retailer 7
-
€1,942 EUR
$2,170 USD
View
B
Retailer 8
-
€2,301 EUR
SGD 3,474 SGD
View
B
Retailer 9
-
€2,876 EUR
£2,530 GBP
View
Most Expensive
B
Brilliant Earth
22235130A · Oct 31
€3,473 EUR
$3,880 USD
View
9 more retailers have this diamond
Prices start from €610 EURSave up to €2,863 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
4.90ct Heart
€610 EUR