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Round|Natural|IGI

1.24ct D SI2 Round Natural Diamond

EX • D/SI2 • IGI 830650870

Shape and cutting style on the report: Round brilliant

Certificate IGI 830650870

Diamond specifications and retailer prices

From $4,327 AUD
£2,393 GBP
As of October 30, 2026
Save $3,211 AUD (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,811 AUD at NZ Jewellers · As of October 11, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 830650870. Listed at 6 retailers as of October 29, 2026, with a 74% 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

1.24
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 830650870
Dimensions6.81 × 6.86 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.81 mm6.86 mm1.24 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 830650870
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 40.2°CuletDepth 62.0%

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: $4,327 AUD|Low: $4,312 AUD|High: $7,588 AUD|Avg: $5,429 AUD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 1$4,327 AUD
Retailer 4$4,478 AUD
Retailer 3$5,138 AUD
Retailer 2$7,537 AUD

27 data points across 4 retailers

6 retailers$4,327 AUD to $7,537 AUD

A
Cheapest Retailer
-
$4,327 AUD
£2,393 GBP
A
Retailer 2
-
$4,478 AUD
$3,146 USD
View
Retailer 3
-
$4,483 AUD
$3,149 USD
View
Price last confirmed 21 days ago
Retailer 4
-
$4,655 AUD
$3,270 USD
View
Price last confirmed 31 days ago
B+
Retailer 5
-
$7,537 AUD
£4,169 GBP
View
Most Expensive
NZ Jewellers
eaa6bbdc-ab69-46d8-811a-9daf9772375b · Oct 11
$7,811 AUD
$5,487 USD
View
Price last confirmed 20 days ago
5 more retailers have this diamond
Prices start from $4,327 AUDSave up to $3,211 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
$4,327 AUD