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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 $30,751 USD
As of November 5, 2026
Save $7,247 USD (19%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $37,998 USD 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 $30,751 to $37,998, a $7,247 spread on the same certified stone. Aurelinne lists it at $37,998. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $37,998 USD|Low: $29,811 USD|High: $37,998 USD|Avg: $34,180 USD|+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$30,751 USD
Retailer 11$31,251 USD
Retailer 8$31,875 USD
Retailer 3$32,800 USD
Retailer 2$33,084 USD
Retailer 10$33,776 USD
Retailer 9$35,465 USD
Retailer 7$36,591 USD
Retailer 4$36,767 USD
Retailer 5$37,003 USD
Aurelinne$37,998 USD

17 data points across 11 retailers

10 retailers$30,751 USD to $37,998 USD

A
Cheapest Retailer
-
$30,751 USD
A
Retailer 2
-
$31,251 USD
View
A
Retailer 3
-
$31,875 USD
View
B+
Retailer 4
-
$32,800 USD
View
A
Retailer 5
-
$33,084 USD
View
B+
Retailer 6
-
$35,465 USD
View
B+
Retailer 7
-
$36,591 USD
View
B+
Retailer 8
-
$36,767 USD
View
B+
Retailer 9
-
$37,003 USD
View
Most Expensive
B+
Aurelinne
f10e35c6-5384-4a44-af98-122d689a1baa · Nov 5
$37,998 USD
View
9 more retailers have this diamond
Prices start from $30,751 USDSave up to $7,247 USD

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
$30,751 USD