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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 €3,594 EUR
A$6,178 AUD
As of October 31, 2026
9 retailers carry this diamond
Most expensive: €6,256 EUR 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

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €6,256 EUR|Low: €2,635 EUR|High: €6,314 EUR|Avg: €3,827 EUR|-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€2,635 EUR
Retailer 10€3,201 EUR
Retailer 4€3,247 EUR
Retailer 9€3,347 EUR
Retailer 5€3,590 EUR
Retailer 3€3,594 EUR
Retailer 11€3,624 EUR
Retailer 6€3,920 EUR
Retailer 2€3,970 EUR
Retailer 7€6,077 EUR
NZ Jewellers€6,256 EUR

17 data points across 11 retailers

9 retailers

Retailer 1
-
€2,635 EUR
HK$23,000 HKD
Price last confirmed 20 days ago
Retailer 2
-
€3,201 EUR
$3,576 USD
View
Price last confirmed 11 days ago
Retailer 3
-
€3,247 EUR
£2,856 GBP
View
Price last confirmed 25 days ago
Retailer 4
-
€3,347 EUR
SGD 5,053 SGD
View
Price last confirmed 25 days ago
Retailer 5
-
€3,590 EUR
$4,011 USD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
€3,594 EUR
A$6,178 AUD
View
Retailer 7
-
€3,624 EUR
$4,049 USD
View
Price last confirmed 32 days ago
Retailer 8
-
€6,077 EUR
£5,346 GBP
View
Price last confirmed 26 days ago
Most Expensive
NZ Jewellers
f286b7d2-b21d-4d38-a1c6-0baaf2cd7af2 · Oct 6
€6,256 EUR
$6,989 USD
View
Price last confirmed 26 days ago
8 more retailers have this diamond
Prices start from €3,594 EUR

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
€3,594 EUR