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Round|Natural|GIA

1.23ct J VVS1 Round Natural Diamond

EX • J/VVS1 • GIA 2145871810

Certificate GIA 2145871810

Diamond specifications and retailer prices

From $4,993 AUD
As of November 6, 2026
Save $2,346 AUD (32%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,340 AUD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 2145871810. Listed at 11 retailers as of November 6, 2026, with prices from $4,993 to $7,340, a $2,346 spread on the same certified stone. 77 Diamonds lists it at $7,340. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2145871810
Dimensions6.85 × 6.88 × 4.27 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.85 mm6.88 mm1.23 ctJ / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2145871810
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.2%

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 6
Current: $7,340 AUD|Low: $4,928 AUD|High: $7,505 AUD|Avg: $6,167 AUD|+0.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$4,993 AUD
Retailer 10$5,025 AUD
Retailer 7$5,106 AUD
Retailer 3$5,370 AUD
Retailer 5$6,290 AUD
Retailer 4$6,445 AUD
Retailer 8$6,680 AUD
Retailer 9$6,680 AUD
Retailer 11$6,899 AUD
Retailer 2$6,916 AUD
77 Diamonds$7,340 AUD

38 data points across 11 retailers

11 retailers$4,993 AUD to $7,340 AUD

B+
Cheapest Retailer
-
$4,993 AUD
B+
Retailer 2
-
$5,025 AUD
View
B+
Retailer 3
-
$5,106 AUD
View
B+
Retailer 4
-
$5,370 AUD
View
B+
Retailer 5
-
$6,290 AUD
View
B
Retailer 6
-
$6,445 AUD
View
B
Retailer 7
-
$6,680 AUD
View
B
Retailer 8
-
$6,680 AUD
View
B
Retailer 9
-
$6,899 AUD
View
B
Retailer 10
-
$6,916 AUD
View
Most Expensive
B
77 Diamonds
RBZMQR2DBRW · Nov 6
$7,340 AUD
£3,971 GBP
View
10 more retailers have this diamond
Prices start from $4,993 AUDSave up to $2,346 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
$4,993 AUD