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Round|Lab Grown|IGI

3.09ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG653450582

Shape and cutting style on the report: Round brilliant

Certificate IGI LG653450582

Diamond specifications and retailer prices

From €573 EUR
HK$5,000 HKD
As of October 31, 2026
Save €904 EUR (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,477 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG653450582 or 653450582. Listed at 7 retailers as of October 28, 2026, with prices from €573 to €1,477, a €904 spread on the same certified stone. Rare Carat lists it at €1,477. 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

3.09
Carat
F
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653450582
Dimensions9.35 × 9.37 × 5.75 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
9.35 mm9.37 mm3.09 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653450582
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

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 31
Current: €1,737 EUR|Low: €561 EUR|High: €3,807 EUR|Avg: €1,295 EUR
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5€573 EUR
Retailer 3€788 EUR
Retailer 4€789 EUR
Retailer 7€809 EUR
Retailer 2€849 EUR
Retailer 6€906 EUR
Rare Carat€1,737 EUR
Retailer 8€3,807 EUR

5 data points across 8 retailers

7 retailers€573 EUR to €1,477 EUR

A
Cheapest Retailer
-
€573 EUR
HK$5,000 HKD
A
Retailer 2
-
€788 EUR
View
A
Retailer 3
-
€789 EUR
$882 USD
View
B+
Retailer 4
-
€809 EUR
$904 USD
View
A
Retailer 5
-
€849 EUR
£747 GBP
View
B+
Retailer 6
-
€906 EUR
$1,012 USD
View
Most Expensive
B
Rare Carat
KI5824505KF653 · Oct 28
€1,477 EUR
$1,650 USD
View
6 more retailers have this diamond
Prices start from €573 EURSave up to €904 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
3.09ct Round
€573 EUR