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Round|Lab Grown|IGI

3.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG620433613

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620433613

Diamond specifications and retailer prices

From €680 EUR
$760 USD
As of October 31, 2026
Save €2,309 EUR (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,990 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.54ct lab-grown round diamond

This 3.54ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620433613 or 620433613. Listed at 14 retailers as of October 29, 2026, with prices from €680 to €2,990, a €2,309 spread on the same certified stone. Brilliant Earth lists it at €2,990. 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

3.54
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620433613
Dimensions9.90 × 9.85 × 5.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.90 mm9.85 mm3.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620433613
Side View
Table 58.0%Crown 33.8°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €2,990 EUR|Low: €474 EUR|High: €3,285 EUR|Avg: €1,175 EUR|-9.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 3€474 EUR
Retailer 11€642 EUR
Retailer 2€680 EUR
Retailer 6€766 EUR
Retailer 10€865 EUR
Retailer 8€895 EUR
Retailer 4€915 EUR
Retailer 9€1,015 EUR
Retailer 7€1,436 EUR
Retailer 5€2,335 EUR
Brilliant Earth€2,990 EUR

37 data points across 11 retailers

14 retailers€680 EUR to €2,990 EUR

Retailer 1
-
€382 EUR
$427 USD
Price last confirmed 38 days ago
Retailer 2
-
€428 EUR
$478 USD
View
Price last confirmed 38 days ago
Retailer 3
-
€468 EUR
$523 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€642 EUR
£564 GBP
View
Price last confirmed 23 days ago
A
Retailer 5
-
€680 EUR
$760 USD
View
A
Retailer 6
-
€766 EUR
View
B+
Retailer 7
-
€865 EUR
$966 USD
View
B+
Retailer 8
-
€895 EUR
$1,000 USD
View
B+
Retailer 9
-
€915 EUR
£805 GBP
View
B+
Retailer 10
-
€1,015 EUR
$1,134 USD
View
B
Retailer 11
-
€1,436 EUR
$1,604 USD
View
Retailer 12
-
€1,524 EUR
$1,703 USD
View
Price last confirmed 34 days ago
B
Retailer 13
-
€2,335 EUR
£2,054 GBP
View
Most Expensive
B
Brilliant Earth
9147870A · Oct 29
€2,990 EUR
$3,340 USD
View
13 more retailers have this diamond
Prices start from €680 EURSave up to €2,309 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
3.54ct Round
€680 EUR