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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 HK$133,517 HKD
$17,017 USD
As of October 26, 2026
Save HK$75,150 HKD (36%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$208,668 HKD 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 HK$133,517 to HK$208,668, a HK$75,150 spread on the same certified stone. MOH London lists it at HK$208,668. 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
Colour
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: HK$208,668 HKD|Low: HK$133,517 HKD|High: HK$237,684 HKD|Avg: HK$168,355 HKD|-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 6HK$133,517 HKD
Retailer 7HK$135,400 HKD
Retailer 2HK$139,074 HKD
Retailer 3HK$139,543 HKD
Retailer 5HK$146,406 HKD
Retailer 8HK$147,279 HKD
Retailer 10HK$160,954 HKD
Retailer 9HK$163,718 HKD
Retailer 4HK$171,866 HKD
MOH LondonHK$208,668 HKD

29 data points across 10 retailers

10 retailersHK$133,517 HKD to HK$208,668 HKD

A
Cheapest Retailer
-
HK$133,517 HKD
$17,017 USD
A
Retailer 2
-
HK$135,400 HKD
$17,257 USD
View
A
Retailer 3
-
HK$139,074 HKD
£13,957 GBP
View
Retailer 4
-
HK$139,543 HKD
$17,785 USD
View
Price last confirmed 5 days ago
A
Retailer 5
-
HK$146,406 HKD
£14,693 GBP
View
Retailer 6
-
HK$147,279 HKD
$18,771 USD
View
Price last confirmed 8 days ago
Retailer 7
-
HK$160,954 HKD
€19,537 EUR
View
Price last confirmed 9 days ago
A
Retailer 8
-
HK$163,718 HKD
$20,866 USD
View
B+
Retailer 9
-
HK$171,866 HKD
ZAR 353,872 ZAR
View
Most Expensive
B+
MOH London
F650EBF77 · Oct 26
HK$208,668 HKD
£20,941 GBP
View
9 more retailers have this diamond
Prices start from HK$133,517 HKDSave up to HK$75,150 HKD

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
HK$133,517 HKD