CaratHunter
Plans
Round|Lab Grown|IGI

3.40ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG654461715

Shape and cutting style on the report: Round brilliant

Certificate IGI LG654461715

Diamond specifications and retailer prices

From €345 EUR
$384 USD
As of October 29, 2026
Save €1,308 EUR (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,653 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.4ct lab-grown round diamond

This 3.4ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG654461715 or 654461715. Listed at 12 retailers as of October 28, 2026, with prices from €345 to €1,653, a €1,308 spread on the same certified stone. Rare Carat lists it at €1,653. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.40
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654461715
Dimensions9.63 × 9.59 × 5.98 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
9.63 mm9.59 mm3.40 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654461715
Side View
Table 56.0%Crown 35°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

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 29
Current: €1,653 EUR|Low: €345 EUR|High: €3,899 EUR|Avg: €1,376 EUR|-17.0%
Rare Carat
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 29, 2026
Retailer 2€345 EUR
Retailer 4€386 EUR
Retailer 3€428 EUR
Retailer 11€472 EUR
Retailer 13€680 EUR
Retailer 8€681 EUR
Retailer 9€682 EUR
Retailer 10€719 EUR
Retailer 7€769 EUR
Retailer 12€1,049 EUR
Retailer 14€1,374 EUR
Rare Carat€1,653 EUR
Retailer 5€3,863 EUR
Retailer 6€3,899 EUR

3 data points across 14 retailers

12 retailers€345 EUR to €1,653 EUR

A
Cheapest Retailer
-
€345 EUR
$384 USD
A
Retailer 2
-
€386 EUR
$430 USD
View
A
Retailer 3
-
€428 EUR
$476 USD
View
A
Retailer 4
-
€472 EUR
HK$4,100 HKD
View
B+
Retailer 5
-
€680 EUR
$757 USD
View
A
Retailer 6
-
€681 EUR
View
A
Retailer 7
-
€682 EUR
£598 GBP
View
A
Retailer 8
-
€719 EUR
$800 USD
View
A
Retailer 9
-
€769 EUR
£674 GBP
View
B+
Retailer 10
-
€1,049 EUR
$1,167 USD
View
B
Retailer 11
-
€1,374 EUR
$1,529 USD
View
Most Expensive
B
Rare Carat
KI7154617KF654 · Oct 28
€1,653 EUR
$1,840 USD
View
11 more retailers have this diamond
Prices start from €345 EURSave up to €1,308 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
3.40ct Round
€345 EUR