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Round|Natural|GIA

1.23ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1246029698

Certificate GIA 1246029698

Diamond specifications and retailer prices

From $6,165 AUD
As of November 6, 2026
Save $2,040 AUD (25%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,205 AUD at Yorxs · As of November 5, 2026
View at Yorxs

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1246029698. Listed at 9 retailers as of November 5, 2026, with prices from $6,165 to $8,205, a $2,040 spread on the same certified stone. Yorxs lists it at $8,205. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1246029698
Dimensions6.83 × 6.88 × 4.23 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural
Top View
6.83 mm6.88 mm1.23 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246029698
Side View
Table 59.0%CrownGirdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,200 AUD|Low: $4,694 AUD|High: $8,307 AUD|Avg: $6,782 AUD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Yorxs
November 5, 2026
Retailer 9$4,694 AUD
Retailer 3$5,180 AUD
Retailer 11$5,660 AUD
Retailer 2$5,980 AUD
Retailer 10$6,165 AUD
Retailer 4$6,581 AUD
Retailer 7$7,652 AUD
Retailer 5$7,874 AUD
Retailer 6$7,874 AUD
Retailer 8$8,136 AUD
Retailer 1$8,200 AUD
Yorxs$8,205 AUD

15 data points across 12 retailers

9 retailers$6,165 AUD to $8,205 AUD

Retailer 1
-
$4,694 AUD
Price last confirmed 51 days ago
B+
Retailer 2
-
$6,165 AUD
View
B+
Retailer 3
-
$6,581 AUD
View
B
Retailer 4
-
$7,652 AUD
View
B
Retailer 5
-
$7,874 AUD
View
B
Retailer 6
-
$7,874 AUD
View
B
Retailer 7
-
$8,136 AUD
View
B
Retailer 8
-
$8,200 AUD
View
Most Expensive
B
Yorxs
621997645 · Nov 5
$8,205 AUD
€5,369 EUR
View
8 more retailers have this diamond
Prices start from $6,165 AUDSave up to $2,040 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.

B+
1.23ct Round
$6,165 AUD