Round|Natural|GIA

1.23ct J VS2 Round Natural Diamond

EX • J/VS2 • GIA 1558434257

Certificate GIA 1558434257

Diamond specifications and retailer prices

From €1,892 EUR
As of November 6, 2026
Save €2,441 EUR (56%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €5,534 EUR at NZ Jewellers · As of October 9, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1558434257. Listed at 9 retailers as of November 4, 2026, with a 129% 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1558434257
Dimensions6.77 × 6.83 × 4.26 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle
Top View
6.77 mm6.83 mm1.23 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558434257
Side View
Table 57.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.7%

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 6
Current: €5,534 EUR|Low: €1,892 EUR|High: €5,635 EUR|Avg: €3,159 EUR|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2€1,892 EUR
Retailer 7€2,341 EUR
Retailer 3€2,446 EUR
Retailer 4€2,639 EUR
Retailer 8€2,647 EUR
Retailer 9€2,799 EUR
Retailer 5€2,934 EUR
Retailer 10€3,364 EUR
Retailer 6€4,334 EUR
NZ Jewellers€5,534 EUR

32 data points across 10 retailers

9 retailers€1,892 EUR to €4,334 EUR

A
Cheapest Retailer
-
€1,892 EUR
A
Retailer 2
-
€2,341 EUR
View
A
Retailer 3
-
€2,446 EUR
View
B+
Retailer 4
-
€2,639 EUR
View
Retailer 5
-
€2,647 EUR
View
Price last confirmed 30 days ago
Retailer 6
-
€2,799 EUR
View
Price last confirmed 38 days ago
B+
Retailer 7
-
€2,934 EUR
View
B
Retailer 8
-
€4,334 EUR
View
Most Expensive
NZ Jewellers
b27948bc-0402-4d6f-9585-946ac0fff126 · Oct 9
€5,534 EUR
$6,211 USD
View
Price last confirmed 28 days ago
8 more retailers have this diamond
Prices start from €1,892 EURSave up to €2,441 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
€1,892 EUR