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Round|Natural|GIA

1.23ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2556885249

Certificate GIA 2556885249

Diamond specifications and retailer prices

From €1,401 EUR
As of November 5, 2026
Save €1,231 EUR (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €2,632 EUR at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556885249. Listed at 9 retailers as of November 5, 2026, with prices from €1,401 to €2,632, a €1,231 spread on the same certified stone. Wholesale Diamonds Direct lists it at €2,632. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.23
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556885249
Dimensions6.80 × 4.26 × 4.26 mm
L/W Ratio1.60
Culet sizeNone
Top View
6.80 mm4.26 mm1.23 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556885249
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €1,595 EUR|Low: €1,394 EUR|High: €2,872 EUR|Avg: €1,994 EUR|-8.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 6, 2026
Retailer 2€1,401 EUR
Retailer 8€1,523 EUR
Retailer 1€1,595 EUR
Retailer 4€1,748 EUR
Retailer 7€1,751 EUR
Retailer 5€2,047 EUR
Retailer 6€2,080 EUR
Retailer 3€2,247 EUR
Wholesale Diamonds Direct€2,632 EUR

39 data points across 9 retailers

9 retailers€1,401 EUR to €2,632 EUR

A
Cheapest Retailer
-
€1,401 EUR
A
Retailer 2
-
€1,523 EUR
View
A
Retailer 3
-
€1,595 EUR
View
A
Retailer 4
-
€1,748 EUR
View
A
Retailer 5
-
€1,751 EUR
View
B+
Retailer 6
-
€2,047 EUR
View
B+
Retailer 7
-
€2,080 EUR
View
B+
Retailer 8
-
€2,247 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
570868291 · Nov 6
€2,632 EUR
$2,939 USD
View
8 more retailers have this diamond
Prices start from €1,401 EURSave up to €1,231 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
€1,401 EUR