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Round|Natural|IGI

1.23ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 654416413

Shape and cutting style on the report: Round brilliant

Certificate IGI 654416413

Diamond specifications and retailer prices

From €1,911 EUR
As of November 5, 2026
Save €711 EUR (27%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,587 EUR at NZ Jewellers · As of October 17, 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 IGI 654416413. Listed at 17 retailers as of November 5, 2026, with a 37% 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
FluorescenceNone
Crown angle33.6°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 654416413
Dimensions6.88 × 6.93 × 4.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.88 mm6.93 mm1.23 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 654416413
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.4%

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 5
Current: €2,326 EUR|Low: €1,648 EUR|High: €3,890 EUR|Avg: €2,400 EUR|+3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7€1,911 EUR
Retailer 10€1,978 EUR
Retailer 8€1,983 EUR
Retailer 6€2,114 EUR
Retailer 2€2,142 EUR
Retailer 1€2,326 EUR
Retailer 4€2,428 EUR
Retailer 5€2,583 EUR
Retailer 3€2,622 EUR
Retailer 9€3,864 EUR

30 data points across 10 retailers

17 retailers€1,911 EUR to €2,622 EUR

A
Cheapest Retailer
-
€1,911 EUR
A
Retailer 2
-
€1,983 EUR
View
A
Retailer 3
-
€2,114 EUR
View
Retailer 4
-
€2,142 EUR
View
Price last confirmed 56 days ago
Retailer 5
-
€2,142 EUR
View
Price last confirmed 44 days ago
Retailer 6
-
€2,193 EUR
View
Price last confirmed 21 days ago
Retailer 7
-
€2,193 EUR
View
Price last confirmed 19 days ago
A
Retailer 8
-
€2,326 EUR
View
B+
Retailer 9
-
€2,428 EUR
View
Retailer 10
-
€2,472 EUR
View
Price last confirmed 60 days ago
Retailer 11
-
€2,472 EUR
View
Price last confirmed 45 days ago
B+
Retailer 12
-
€2,583 EUR
View
B+
Retailer 13
-
€2,622 EUR
View
Retailer 14
-
€3,864 EUR
View
Price last confirmed 16 days ago
Retailer 15
-
€4,478 EUR
View
Price last confirmed 57 days ago
Retailer 16
-
€4,478 EUR
View
Price last confirmed 46 days ago
Most Expensive
NZ Jewellers
419cd0ef-59bd-4bf4-b2be-aa5af84a668b · Oct 17
€4,587 EUR
$5,121 USD
View
Price last confirmed 20 days ago
16 more retailers have this diamond
Prices start from €1,911 EURSave up to €711 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.

A
1.23ct Round
€1,911 EUR