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Round|Natural|GIA

1.23ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 7566152918

Certificate GIA 7566152918

Diamond specifications and retailer prices

From $3,281 AUD
As of November 6, 2026
Save $4,391 AUD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,672 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 J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 7566152918. Listed at 21 retailers as of November 5, 2026, with prices from $3,281 to $7,672, a $4,391 spread on the same certified stone. NZ Jewellers lists it at $7,672. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7566152918
Dimensions6.86 × 6.88 × 4.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Crystal, Twinning Wisp, Needle
Top View
6.86 mm6.88 mm1.23 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566152918
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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 6
Current: $3,281 AUD|Low: $3,281 AUD|High: $7,454 AUD|Avg: $4,917 AUD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$3,281 AUD
Retailer 8$4,066 AUD
Retailer 2$4,098 AUD
Retailer 3$4,524 AUD
Retailer 4$4,821 AUD
Retailer 9$4,950 AUD
Retailer 5$5,061 AUD
Retailer 6$5,375 AUD
Retailer 7$7,345 AUD

30 data points across 9 retailers

21 retailers$3,281 AUD to $7,672 AUD

A
Cheapest Retailer
-
$3,281 AUD
B+
Retailer 2
-
$3,944 AUD
View
B+
Retailer 3
-
$3,950 AUD
View
B+
Retailer 4
-
$4,066 AUD
View
Final sale: no returns
B+
Retailer 5
-
$4,098 AUD
View
Retailer 6
-
$4,404 AUD
View
Price last confirmed 44 days ago
B+
Retailer 7
-
$4,404 AUD
View
Retailer 8
-
$4,404 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$4,524 AUD
View
B+
Retailer 10
-
$4,574 AUD
View
B+
Retailer 11
-
$4,608 AUD
View
Retailer 12
-
$4,721 AUD
View
Price last confirmed 33 days ago
B+
Retailer 13
-
$4,821 AUD
View
Retailer 14
-
$4,950 AUD
View
Price last confirmed 17 days ago
B+
Retailer 15
-
$5,061 AUD
View
Retailer 16
-
$5,081 AUD
View
Price last confirmed 45 days ago
B
Retailer 17
-
$5,081 AUD
View
B+
Retailer 18
-
$5,375 AUD
View
B
Retailer 19
-
$7,345 AUD
View
Retailer 20
-
$7,672 AUD
View
Price last confirmed 46 days ago
Most Expensive
B
NZ Jewellers
2e5f1928-246e-4144-a84f-25f39161d647 · Nov 5
$7,672 AUD
$5,371 USD
View
20 more retailers have this diamond
Prices start from $3,281 AUDSave up to $4,391 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
$3,281 AUD