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Round|Natural|GIA

1.23ct J IF Round Natural Diamond

EX • J/IF • GIA 1557801478

Certificate GIA 1557801478

Diamond specifications and retailer prices

From $5,610 CAD
A$6,178 AUD
As of October 31, 2026
9 retailers carry this diamond
Most expensive: $9,763 CAD 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1557801478. Listed at 9 retailers as of October 31, 2026. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1557801478
Dimensions6.75 × 6.81 × 4.25 mm
L/W Ratio1.01
Top View
6.75 mm6.81 mm1.23 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1557801478
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $9,763 CAD|Low: $4,112 CAD|High: $9,854 CAD|Avg: $5,946 CAD|-0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 7, 2026
Retailer 8$4,112 CAD
Retailer 10$4,995 CAD
Retailer 4$5,067 CAD
Retailer 9$5,223 CAD
Retailer 5$5,603 CAD
Retailer 3$5,610 CAD
Retailer 11$5,656 CAD
Retailer 6$6,118 CAD
Retailer 2$6,196 CAD
Retailer 7$9,484 CAD
NZ Jewellers$9,763 CAD

18 data points across 11 retailers

9 retailers

Retailer 1
-
$4,112 CAD
HK$23,000 HKD
Price last confirmed 19 days ago
Retailer 2
-
$4,995 CAD
$3,576 USD
View
Price last confirmed 11 days ago
Retailer 3
-
$5,067 CAD
£2,856 GBP
View
Price last confirmed 24 days ago
Retailer 4
-
$5,223 CAD
SGD 5,053 SGD
View
Price last confirmed 24 days ago
Retailer 5
-
$5,603 CAD
$4,011 USD
View
Price last confirmed 24 days ago
B+
Retailer 6
-
$5,610 CAD
A$6,178 AUD
View
Retailer 7
-
$5,656 CAD
$4,049 USD
View
Price last confirmed 31 days ago
Retailer 8
-
$9,484 CAD
£5,346 GBP
View
Price last confirmed 25 days ago
Most Expensive
NZ Jewellers
f286b7d2-b21d-4d38-a1c6-0baaf2cd7af2 · Oct 6
$9,763 CAD
$6,989 USD
View
Price last confirmed 25 days ago
8 more retailers have this diamond
Prices start from $5,610 CAD

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
$5,610 CAD