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1.24ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 651485340

Shape and cutting style on the report: Round brilliant

Certificate IGI 651485340

Diamond specifications and retailer prices

From $2,982 AUD
$2,095 USD
As of October 30, 2026
Save $3,919 AUD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,902 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.24ct natural round diamond

This 1.24ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 651485340. Listed at 11 retailers as of October 30, 2026, with prices from $2,982 to $6,902, a $3,919 spread on the same certified stone. NZ Jewellers lists it at $6,902. 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

1.24
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.8°
OriginNatural
Grading LabIGI
CertificateIGI 651485340
Dimensions6.91 × 6.87 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.91 mm6.87 mm1.24 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 651485340
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.6%

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 30
Current: $6,902 AUD|Low: $2,083 AUD|High: $6,902 AUD|Avg: $3,833 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 6$2,083 AUD
Retailer 5$2,982 AUD
Retailer 10$3,048 AUD
Retailer 8$3,067 AUD
Retailer 7$3,251 AUD
Retailer 12$3,301 AUD
Retailer 14$3,301 AUD
Retailer 11$3,454 AUD
Retailer 15$3,500 AUD
Retailer 13$3,810 AUD
Retailer 2$3,866 AUD
Retailer 3$3,929 AUD
Retailer 4$5,333 AUD
Retailer 9$5,677 AUD
NZ Jewellers$6,902 AUD

35 data points across 15 retailers

11 retailers$2,982 AUD to $6,902 AUD

A
Cheapest Retailer
-
$2,982 AUD
$2,095 USD
A
Retailer 2
-
$3,048 AUD
$2,141 USD
View
Final sale: no returns
A
Retailer 3
-
$3,067 AUD
£1,697 GBP
View
A
Retailer 4
-
$3,301 AUD
$2,319 USD
View
A
Retailer 5
-
$3,301 AUD
$2,319 USD
View
A
Retailer 6
-
$3,454 AUD
$2,426 USD
View
A
Retailer 7
-
$3,500 AUD
$2,459 USD
View
B+
Retailer 8
-
$3,810 AUD
$2,676 USD
View
A
Retailer 9
-
$3,866 AUD
€2,586 EUR
View
B
Retailer 10
-
$5,677 AUD
£3,140 GBP
View
Most Expensive
B
NZ Jewellers
166fa1de-cc65-49f2-bed7-5f1ddddaa092 · Oct 30
$6,902 AUD
$4,848 USD
View
10 more retailers have this diamond
Prices start from $2,982 AUDSave up to $3,919 AUD

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
1.24ct Round
$2,982 AUD