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1.23ct J SI2 Round Natural Diamond

VG • J/SI2 • HRD 220000154301

Shape and cutting style on the report: Brilliant

Certificate HRD 220000154301

Diamond specifications and retailer prices

From €1,524 EUR
As of November 5, 2026
Save €2,556 EUR (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,080 EUR at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by HRD 220000154301. Listed at 11 retailers as of November 5, 2026, with prices from €1,524 to €4,080, a €2,556 spread on the same certified stone. NZ Jewellers lists it at €4,080. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
Crown angle36.6°
Pavilion angle40.9°
OriginNatural
Grading LabHRD
CertificateHRD 220000154301
Dimensions6.67 × 6.74 × 4.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.67 mm6.74 mm1.23 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateHRD 220000154301
Side View
Table 57.0%Crown 36.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 64.0%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: €4,080 EUR|Low: €1,524 EUR|High: €4,080 EUR|Avg: €2,031 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 10€1,524 EUR
Retailer 11€1,543 EUR
Retailer 7€1,627 EUR
Retailer 5€1,672 EUR
Retailer 8€1,673 EUR
Retailer 3€1,684 EUR
Retailer 6€1,750 EUR
Retailer 9€1,930 EUR
Retailer 2€2,266 EUR
Retailer 4€2,922 EUR
NZ Jewellers€4,080 EUR

20 data points across 11 retailers

11 retailers€1,524 EUR to €4,080 EUR

B+
Cheapest Retailer
-
€1,524 EUR
B+
Retailer 2
-
€1,543 EUR
View
Final sale: no returns
B+
Retailer 3
-
€1,627 EUR
View
Retailer 4
-
€1,672 EUR
View
Price last confirmed 8 days ago
B+
Retailer 5
-
€1,673 EUR
View
B+
Retailer 6
-
€1,684 EUR
View
B+
Retailer 7
-
€1,750 EUR
View
B+
Retailer 8
-
€1,930 EUR
View
B
Retailer 9
-
€2,266 EUR
View
B
Retailer 10
-
€2,922 EUR
View
Most Expensive
C
NZ Jewellers
5b8088a0-7d8e-4b3c-b1ca-b7368b401de1 · Nov 5
€4,080 EUR
$4,555 USD
View
10 more retailers have this diamond
Prices start from €1,524 EURSave up to €2,556 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
€1,524 EUR