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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 $7,641 NZD
As of November 7, 2026
Save $2,528 NZD (25%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $10,169 NZD 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 10 retailers as of November 5, 2026, with prices from $7,641 to $10,169, a $2,528 spread on the same certified stone. Yorxs lists it at $10,169. 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: $10,165 NZD|Low: $5,818 NZD|High: $10,296 NZD|Avg: $8,427 NZD|-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$5,818 NZD
Retailer 4$6,420 NZD
Retailer 2$7,015 NZD
Retailer 3$7,412 NZD
Retailer 12$7,641 NZD
Retailer 6$8,157 NZD
Retailer 5$9,485 NZD
Retailer 9$9,485 NZD
Retailer 7$9,759 NZD
Retailer 8$9,759 NZD
Retailer 10$10,084 NZD
Retailer 1$10,165 NZD
Yorxs$10,169 NZD

17 data points across 13 retailers

10 retailers$7,641 NZD to $10,169 NZD

Retailer 1
-
$5,818 NZD
Price last confirmed 51 days ago
B+
Retailer 2
-
$7,641 NZD
View
B+
Retailer 3
-
$8,157 NZD
View
B
Retailer 4
-
$9,485 NZD
View
Retailer 5
-
$9,485 NZD
View
B
Retailer 6
-
$9,759 NZD
View
B
Retailer 7
-
$9,759 NZD
View
B
Retailer 8
-
$10,084 NZD
View
B
Retailer 9
-
$10,165 NZD
View
Most Expensive
B
Yorxs
621997645 · Nov 5
$10,169 NZD
€5,369 EUR
View
9 more retailers have this diamond
Prices start from $7,641 NZDSave up to $2,528 NZD

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
$7,641 NZD