Round|Natural|IGI

3.09ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 623473411

Shape and cutting style on the report: Round brilliant

Certificate IGI 623473411

Diamond specifications and retailer prices

From $23,771 CAD
$17,017 USD
As of October 26, 2026
Save $13,380 CAD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $37,151 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 3.09ct natural round diamond

This 3.09ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 623473411. Listed at 10 retailers as of October 26, 2026, with prices from $23,771 to $37,151, a $13,380 spread on the same certified stone. MOH London lists it at $37,151. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 623473411
Dimensions9.24 × 9.20 × 5.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
9.24 mm9.20 mm3.09 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 623473411
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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: Oct 26
Current: $37,151 CAD|Low: $23,771 CAD|High: $42,317 CAD|Avg: $29,974 CAD|-12.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 6$23,771 CAD
Retailer 7$24,106 CAD
Retailer 2$24,760 CAD
Retailer 3$24,844 CAD
Retailer 5$26,066 CAD
Retailer 8$26,221 CAD
Retailer 10$28,656 CAD
Retailer 9$29,148 CAD
Retailer 4$30,599 CAD
MOH London$37,151 CAD

29 data points across 10 retailers

10 retailers$23,771 CAD to $37,151 CAD

A
Cheapest Retailer
-
$23,771 CAD
$17,017 USD
A
Retailer 2
-
$24,106 CAD
$17,257 USD
View
A
Retailer 3
-
$24,760 CAD
£13,957 GBP
View
A
Retailer 4
-
$24,844 CAD
$17,785 USD
View
A
Retailer 5
-
$26,066 CAD
£14,693 GBP
View
A
Retailer 6
-
$26,221 CAD
$18,771 USD
View
B+
Retailer 7
-
$28,656 CAD
€19,537 EUR
View
A
Retailer 8
-
$29,148 CAD
$20,866 USD
View
B+
Retailer 9
-
$30,599 CAD
ZAR 353,872 ZAR
View
Most Expensive
B+
MOH London
F650EBF77 · Oct 26
$37,151 CAD
£20,941 GBP
View
9 more retailers have this diamond
Prices start from $23,771 CADSave up to $13,380 CAD

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
$23,771 CAD