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Round|Natural|GIA

1.23ct J VVS2 Round Natural Diamond

EX • J/VVS2 • GIA 6531979925

Certificate GIA 6531979925

Diamond specifications and retailer prices

From $5,245 AUD
As of November 4, 2026
Save $4,654 AUD (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $9,900 AUD at NZ Jewellers · As of November 2, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 6531979925. Listed at 6 retailers as of November 2, 2026, with prices from $5,245 to $9,900, a $4,654 spread on the same certified stone. NZ Jewellers lists it at $9,900. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6531979925
Dimensions6.79 × 6.83 × 4.28 mm
L/W Ratio1.01
Star length45%
Top View
6.79 mm6.83 mm1.23 ctJ / VVS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531979925
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

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 4
Current: $6,494 AUD|Low: $4,147 AUD|High: $9,617 AUD|Avg: $6,456 AUD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 4$5,245 AUD
Retailer 5$5,338 AUD
Retailer 6$6,128 AUD
Retailer 2$6,304 AUD
Retailer 1$6,494 AUD
Retailer 3$9,502 AUD

27 data points across 6 retailers

6 retailers$5,245 AUD to $9,900 AUD

B+
Cheapest Retailer
-
$5,245 AUD
Final sale: no returns
B+
Retailer 2
-
$5,338 AUD
View
B+
Retailer 3
-
$6,304 AUD
View
B+
Retailer 4
-
$6,494 AUD
View
B
Retailer 5
-
$9,502 AUD
View
Most Expensive
B
NZ Jewellers
95978a45-afd5-42f4-b0a4-81b97ef1cdd7 · Nov 2
$9,900 AUD
$6,930 USD
View
5 more retailers have this diamond
Prices start from $5,245 AUDSave up to $4,654 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.

B+
1.23ct Round
$5,245 AUD