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1.23ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1246029698

Certificate GIA 1246029698

Diamond specifications and retailer prices

From $5,429 SGD
As of November 7, 2026
Save $1,816 SGD (25%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,245 SGD at Yorxs · As of November 7, 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 10 retailers as of November 7, 2026, with prices from $5,429 to $7,245, a $1,816 spread on the same certified stone. Yorxs lists it at $7,245. 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 7
Current: $7,222 SGD|Low: $4,133 SGD|High: $7,315 SGD|Avg: $5,987 SGD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Yorxs
November 7, 2026
Retailer 11$4,133 SGD
Retailer 4$4,561 SGD
Retailer 2$4,984 SGD
Retailer 3$5,266 SGD
Retailer 12$5,429 SGD
Retailer 6$5,795 SGD
Retailer 5$6,739 SGD
Retailer 9$6,739 SGD
Retailer 7$6,933 SGD
Retailer 8$6,933 SGD
Retailer 10$7,164 SGD
Retailer 1$7,222 SGD
Yorxs$7,245 SGD

17 data points across 13 retailers

10 retailers$5,429 SGD to $7,245 SGD

Retailer 1
-
$4,133 SGD
Price last confirmed 51 days ago
B+
Retailer 2
-
$5,429 SGD
View
B+
Retailer 3
-
$5,795 SGD
View
B
Retailer 4
-
$6,739 SGD
View
B
Retailer 5
-
$6,739 SGD
View
B
Retailer 6
-
$6,933 SGD
View
B
Retailer 7
-
$6,933 SGD
View
B
Retailer 8
-
$7,164 SGD
View
B
Retailer 9
-
$7,222 SGD
View
Most Expensive
B
Yorxs
621997645 · Nov 7
$7,245 SGD
€5,384 EUR
View
9 more retailers have this diamond
Prices start from $5,429 SGDSave up to $1,816 SGD

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
$5,429 SGD