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1.26ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 839696421

Shape and cutting style on the report: Round brilliant

Certificate IGI 839696421

Diamond specifications and retailer prices

From €1,043 EUR
£921 GBP
As of October 30, 2026
Save €1,592 EUR (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €2,635 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.26ct natural round diamond

This 1.26ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 839696421. Listed at 8 retailers as of October 30, 2026, with prices from €1,043 to €2,635, a €1,592 spread on the same certified stone. NZ Jewellers lists it at €2,635. 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

1.26
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 839696421
Dimensions6.82 × 6.87 × 4.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.82 mm6.87 mm1.26 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 839696421
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

Caratlytics Score

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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: Oct 30
Current: €2,635 EUR|Low: €1,039 EUR|High: €2,635 EUR|Avg: €1,486 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 3€1,043 EUR
Retailer 7€1,081 EUR
Retailer 5€1,122 EUR
Retailer 8€1,137 EUR
Retailer 6€1,207 EUR
Retailer 2€1,497 EUR
Retailer 4€1,989 EUR
NZ Jewellers€2,635 EUR

17 data points across 8 retailers

8 retailers€1,043 EUR to €2,635 EUR

A
Cheapest Retailer
-
€1,043 EUR
£921 GBP
A
Retailer 2
-
€1,081 EUR
$1,212 USD
View
A
Retailer 3
-
€1,122 EUR
$1,258 USD
View
A
Retailer 4
-
€1,137 EUR
$1,275 USD
View
A
Retailer 5
-
€1,207 EUR
$1,354 USD
View
A
Retailer 6
-
€1,497 EUR
View
A
Retailer 7
-
€1,989 EUR
£1,757 GBP
View
Most Expensive
B
NZ Jewellers
f2405b3e-dde7-419b-8f64-bf87b0b779d8 · Oct 30
€2,635 EUR
$2,955 USD
View
7 more retailers have this diamond
Prices start from €1,043 EURSave up to €1,592 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
1.26ct Round
€1,043 EUR