CaratHunter
Plans
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 $30,671 NZD
$17,257 USD
As of October 27, 2026
Save $8,260 NZD (21%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $47,267 NZD 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 27, 2026, with a 27% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 27
Current: $47,267 NZD|Low: $30,244 NZD|High: $53,840 NZD|Avg: $38,136 NZD|-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$30,244 NZD
Retailer 7$30,671 NZD
Retailer 2$31,503 NZD
Retailer 3$31,609 NZD
Retailer 5$33,164 NZD
Retailer 8$33,362 NZD
Retailer 10$36,459 NZD
Retailer 9$37,085 NZD
Retailer 4$38,931 NZD
MOH London$47,267 NZD

29 data points across 10 retailers

10 retailers$30,671 NZD to $38,931 NZD

Retailer 1
-
$30,244 NZD
$17,017 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$30,671 NZD
$17,257 USD
View
A
Retailer 3
-
$31,503 NZD
£13,957 GBP
View
Retailer 4
-
$31,609 NZD
$17,785 USD
View
Price last confirmed 5 days ago
A
Retailer 5
-
$33,164 NZD
£14,693 GBP
View
Retailer 6
-
$33,362 NZD
$18,771 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$36,459 NZD
€19,537 EUR
View
Price last confirmed 9 days ago
Retailer 8
-
$37,085 NZD
$20,866 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$38,931 NZD
ZAR 353,872 ZAR
View
Most Expensive
MOH London
F650EBF77 · Oct 26
$47,267 NZD
£20,941 GBP
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from $30,671 NZDSave up to $8,260 NZD

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
$30,671 NZD