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6.09ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 654416628

Shape and cutting style on the report: Round brilliant

Certificate IGI 654416628

Diamond specifications and retailer prices

From €27,398 EUR
As of November 5, 2026
Save €6,457 EUR (19%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €33,854 EUR at Aurelinne · As of November 5, 2026
View at Aurelinne

About this 6.09ct natural round diamond

This 6.09ct natural round sits in the over five carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 654416628. Listed at 10 retailers as of November 5, 2026, with prices from €27,398 to €33,854, a €6,457 spread on the same certified stone. Aurelinne lists it at €33,854. 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

6.09
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle34.8°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 654416628
Dimensions11.63 × 11.72 × 7.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
11.63 mm11.72 mm6.09 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 654416628
Side View
Table 56.0%Crown 34.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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: Nov 5
Current: €33,854 EUR|Low: €26,560 EUR|High: €33,854 EUR|Avg: €30,452 EUR|+3.4%
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6€27,398 EUR
Retailer 11€27,843 EUR
Retailer 8€28,399 EUR
Retailer 3€29,223 EUR
Retailer 2€29,476 EUR
Retailer 10€30,093 EUR
Retailer 9€31,598 EUR
Retailer 7€32,601 EUR
Retailer 4€32,758 EUR
Retailer 5€32,968 EUR
Aurelinne€33,854 EUR

17 data points across 11 retailers

10 retailers€27,398 EUR to €33,854 EUR

A
Cheapest Retailer
-
€27,398 EUR
A
Retailer 2
-
€27,843 EUR
View
A
Retailer 3
-
€28,399 EUR
View
B+
Retailer 4
-
€29,223 EUR
View
A
Retailer 5
-
€29,476 EUR
View
B+
Retailer 6
-
€31,598 EUR
View
B+
Retailer 7
-
€32,601 EUR
View
B+
Retailer 8
-
€32,758 EUR
View
B+
Retailer 9
-
€32,968 EUR
View
Most Expensive
B+
Aurelinne
f10e35c6-5384-4a44-af98-122d689a1baa · Nov 5
€33,854 EUR
$37,998 USD
View
9 more retailers have this diamond
Prices start from €27,398 EURSave up to €6,457 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
6.09ct Round
€27,398 EUR