Round|Lab Grown|IGI

3.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG620450105

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620450105

Diamond specifications and retailer prices

From €407 EUR

$457 USD

As of October 27, 2026

Save €2,820 EUR (87%) vs most expensive(unlock to see where)

9 retailers carry this diamond

Most expensive: €3,228 EUR at Do Amore Diamonds · As of October 29, 2026

View at Do Amore Diamonds

About this 3.54ct lab-grown round diamond

This 3.54ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620450105 or 620450105. Listed at 9 retailers as of October 27, 2026, with prices from €407 to €3,228, a €2,820 spread on the same certified stone. Do Amore Diamonds lists it at €3,228. 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

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.6°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG620450105

Dimensions9.75 × 9.70 × 5.99 mm

L/W Ratio1.01

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG620450105

Side View

Caratlytics Score

How it works →

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: €3,228 EUR|Low: €301 EUR|High: €4,083 EUR|Avg: €1,423 EUR|-3.5%

Do Amore Diamonds

Retailer 2

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Retailer 11

Retailer 12

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Retailer 15

October 29, 2026

Retailer 14€364 EUR

Retailer 9€407 EUR

Retailer 15€422 EUR

Retailer 13€712 EUR

Retailer 8€713 EUR

Retailer 7€883 EUR

Retailer 3€898 EUR

Retailer 6€938 EUR

Retailer 4€1,187 EUR

Retailer 11€1,264 EUR

Retailer 12€1,599 EUR

Retailer 10€1,649 EUR

Retailer 2€1,838 EUR

Do Amore Diamonds€3,228 EUR

Retailer 5€4,083 EUR

20 data points across 15 retailers

9 retailers€407 EUR to €3,228 EUR

Retailer 1

€364 EUR

$408 USD

Price last confirmed 7 days ago

Retailer 2

€407 EUR

$457 USD

View

B+

Retailer 3

€712 EUR

$799 USD

View

Retailer 4

€713 EUR

$800 USD

View

Retailer 5

€1,264 EUR

$1,418 USD

View

Price last confirmed 8 days ago

B+

Retailer 6

€1,599 EUR

$1,794 USD

View

B+

Retailer 7

€1,649 EUR

$1,850 USD

View

Retailer 8

€1,838 EUR

£1,623 GBP

View

Most Expensive

Do Amore Diamonds

27-A422448BA · Oct 29

€3,228 EUR

$3,620 USD

View

8 more retailers have this diamond

Prices start from €407 EURSave up to €2,820 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.

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3.54ct Round

€407 EUR