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Round|Natural|GIA

1.23ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 6501473801

Certificate GIA 6501473801

Diamond specifications and retailer prices

From $4,018 AUD
As of November 4, 2026
Save $4,181 AUD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,200 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6501473801. Listed at 15 retailers as of November 4, 2026, with prices from $4,018 to $8,200, a $4,181 spread on the same certified stone. NZ Jewellers lists it at $8,200. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6501473801
Dimensions6.90 × 6.88 × 4.22 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.90 mm6.88 mm1.23 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6501473801
Side View
Table 59.0%Crown 35°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,839 AUD|Low: $4,018 AUD|High: $7,965 AUD|Avg: $5,229 AUD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$4,018 AUD
Retailer 8$4,264 AUD
Retailer 10$4,302 AUD
Retailer 9$4,563 AUD
Retailer 1$4,839 AUD
Retailer 2$4,887 AUD
Retailer 3$5,443 AUD
Retailer 4$5,465 AUD
Retailer 5$5,744 AUD
Retailer 6$7,849 AUD

42 data points across 10 retailers

15 retailers$4,018 AUD to $8,200 AUD

A
Cheapest Retailer
-
$4,018 AUD
B+
Retailer 2
-
$4,264 AUD
View
B+
Retailer 3
-
$4,302 AUD
View
B+
Retailer 4
-
$4,563 AUD
View
B+
Retailer 5
-
$4,707 AUD
View
Retailer 6
-
$4,707 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,839 AUD
View
B+
Retailer 8
-
$4,887 AUD
View
B+
Retailer 9
-
$4,915 AUD
View
B+
Retailer 10
-
$5,430 AUD
View
B+
Retailer 11
-
$5,443 AUD
View
B+
Retailer 12
-
$5,465 AUD
View
B+
Retailer 13
-
$5,744 AUD
View
B
Retailer 14
-
$7,849 AUD
View
Most Expensive
B
NZ Jewellers
9d077ee2-2e48-44c8-bdf7-bcd45561301a · Nov 5
$8,200 AUD
$5,634 USD
View
14 more retailers have this diamond
Prices start from $4,018 AUDSave up to $4,181 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
$4,018 AUD