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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 $2,526 USD
As of October 29, 2026
Save $1,174 USD (32%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,700 USD 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 29, 2026, with prices from $2,526 to $3,700, a $1,174 spread on the same certified stone. Shane Co lists it at $3,700. 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
Color
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
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Price History

Last verified: Oct 29
Current: $2,526 USD|Low: $2,363 USD|High: $3,700 USD|Avg: $2,826 USD|-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$2,363 USD
Retailer 5$2,523 USD
Retailer 1$2,526 USD
Retailer 7$2,527 USD
Retailer 8$2,596 USD
Retailer 6$2,847 USD
Retailer 2$3,027 USD
Retailer 3$3,198 USD
Shane Co$3,700 USD

4 data points across 9 retailers

2 retailers$2,526 USD to $3,700 USD

A
Cheapest Retailer
-
$2,526 USD
Most Expensive
B
Shane Co
26H0QEK · Oct 30
$3,700 USD
View
1 more retailer has this diamond
Prices start from $2,526 USDSave up to $1,174 USD

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
$2,526 USD