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Round|Natural|GIA

1.23ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 6562020686

Certificate GIA 6562020686

Diamond specifications and retailer prices

From $3,540 AUD
As of November 1, 2026
Save $4,385 AUD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,402 AUD at NZ Jewellers · As of October 6, 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 6562020686. Listed at 17 retailers as of November 1, 2026, with a 124% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6562020686
Dimensions6.78 × 6.80 × 4.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.78 mm6.80 mm1.23 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562020686
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.4%

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 1
Current: $4,375 AUD|Low: $3,371 AUD|High: $8,185 AUD|Avg: $5,018 AUD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11$3,540 AUD
Retailer 7$3,593 AUD
Retailer 3$4,337 AUD
Retailer 12$4,373 AUD
Retailer 1$4,375 AUD
Retailer 4$4,740 AUD
Retailer 6$4,880 AUD
Retailer 5$5,197 AUD
Retailer 2$5,266 AUD
Retailer 10$5,622 AUD
Retailer 9$5,825 AUD
Retailer 8$7,925 AUD

26 data points across 12 retailers

17 retailers$3,540 AUD to $7,925 AUD

A
Cheapest Retailer
-
$3,540 AUD
A
Retailer 2
-
$3,593 AUD
View
B+
Retailer 3
-
$4,337 AUD
View
Price last confirmed 4 days ago
B+
Retailer 4
-
$4,373 AUD
View
B+
Retailer 5
-
$4,718 AUD
View
Retailer 6
-
$4,740 AUD
View
Price last confirmed 10 days ago
Retailer 7
-
$4,823 AUD
View
Price last confirmed 29 days ago
B+
Retailer 8
-
$4,880 AUD
View
Retailer 9
-
$5,052 AUD
View
Price last confirmed 38 days ago
Retailer 10
-
$5,151 AUD
View
Price last confirmed 30 days ago
B+
Retailer 11
-
$5,197 AUD
View
B+
Retailer 12
-
$5,266 AUD
View
Retailer 13
-
$5,564 AUD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
$5,622 AUD
View
B+
Retailer 15
-
$5,825 AUD
View
B
Retailer 16
-
$7,925 AUD
View
Most Expensive
NZ Jewellers
e2e3921f-dce8-4e42-b8cf-3e37f4a58237 · Oct 6
$8,402 AUD
$5,773 USD
View
Price last confirmed 31 days ago
16 more retailers have this diamond
Prices start from $3,540 AUDSave up to $4,385 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
$3,540 AUD