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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 $4,981 NZD
As of November 4, 2026
Save $5,183 NZD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,163 NZD 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 $4,981 to $10,163, a $5,183 spread on the same certified stone. NZ Jewellers lists it at $10,163. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,998 NZD|Low: $4,981 NZD|High: $9,873 NZD|Avg: $6,481 NZD|+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$4,981 NZD
Retailer 8$5,285 NZD
Retailer 10$5,332 NZD
Retailer 9$5,655 NZD
Retailer 1$5,998 NZD
Retailer 2$6,057 NZD
Retailer 3$6,747 NZD
Retailer 4$6,774 NZD
Retailer 5$7,120 NZD
Retailer 6$9,728 NZD

42 data points across 10 retailers

15 retailers$4,981 NZD to $10,163 NZD

A
Cheapest Retailer
-
$4,981 NZD
B+
Retailer 2
-
$5,285 NZD
View
B+
Retailer 3
-
$5,332 NZD
View
B+
Retailer 4
-
$5,655 NZD
View
B+
Retailer 5
-
$5,834 NZD
View
Retailer 6
-
$5,834 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$5,998 NZD
View
B+
Retailer 8
-
$6,057 NZD
View
B+
Retailer 9
-
$6,092 NZD
View
B+
Retailer 10
-
$6,730 NZD
View
B+
Retailer 11
-
$6,747 NZD
View
B+
Retailer 12
-
$6,774 NZD
View
B+
Retailer 13
-
$7,120 NZD
View
B
Retailer 14
-
$9,728 NZD
View
Most Expensive
B
NZ Jewellers
9d077ee2-2e48-44c8-bdf7-bcd45561301a · Nov 5
$10,163 NZD
$5,634 USD
View
14 more retailers have this diamond
Prices start from $4,981 NZDSave up to $5,183 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.

A
1.23ct Round
$4,981 NZD