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Round|Natural|GIA

1.23ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6482722392

Certificate GIA 6482722392

Diamond specifications and retailer prices

From $3,596 AUD
$2,526 USD
As of October 31, 2026
Save $1,671 AUD (32%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,267 AUD at Shane Co · As of October 30, 2026
View at Shane Co

About this 1.23ct natural round diamond

This 1.23ct 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 GIA 6482722392. Listed at 2 retailers as of October 30, 2026, with prices from $3,596 to $5,267, a $1,671 spread on the same certified stone. Shane Co lists it at $5,267. 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

1.23
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6482722392
Dimensions6.91 × 6.89 × 4.22 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.91 mm6.89 mm1.23 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6482722392
Side View
Table 59.0%Crown 34.5°Girdle: THN-STKPavilion 41.2°Culet: NoneDepth 61.1%

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 31
Current: $3,596 AUD|Low: $3,364 AUD|High: $5,267 AUD|Avg: $4,023 AUD|-4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Shane Co
October 29, 2026
Retailer 4$3,364 AUD
Retailer 5$3,592 AUD
Retailer 1$3,596 AUD
Retailer 7$3,597 AUD
Retailer 8$3,696 AUD
Retailer 6$4,053 AUD
Retailer 2$4,309 AUD
Retailer 3$4,553 AUD
Shane Co$5,267 AUD

4 data points across 9 retailers

2 retailers$3,596 AUD to $5,267 AUD

A
Cheapest Retailer
-
$3,596 AUD
$2,526 USD
Most Expensive
B
Shane Co
26H0QEK · Oct 30
$5,267 AUD
$3,700 USD
View
1 more retailer has this diamond
Prices start from $3,596 AUDSave up to $1,671 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
1.23ct Round
$3,596 AUD