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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 €1,047 EUR
£921 GBP
As of October 30, 2026
Save €1,598 EUR (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €2,645 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 €1,047 to €2,645, a €1,598 spread on the same certified stone. NZ Jewellers lists it at €2,645. 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
Color
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

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: Oct 30
Current: €2,645 EUR|Low: €1,043 EUR|High: €2,645 EUR|Avg: €1,493 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3€1,047 EUR
Retailer 7€1,085 EUR
Retailer 5€1,126 EUR
Retailer 8€1,141 EUR
Retailer 6€1,212 EUR
Retailer 2€1,509 EUR
Retailer 4€1,997 EUR
NZ Jewellers€2,645 EUR

16 data points across 8 retailers

8 retailers€1,047 EUR to €2,645 EUR

A
Cheapest Retailer
-
€1,047 EUR
£921 GBP
A
Retailer 2
-
€1,085 EUR
$1,212 USD
View
A
Retailer 3
-
€1,126 EUR
$1,258 USD
View
A
Retailer 4
-
€1,141 EUR
$1,275 USD
View
A
Retailer 5
-
€1,212 EUR
$1,354 USD
View
A
Retailer 6
-
€1,509 EUR
View
A
Retailer 7
-
€1,997 EUR
£1,757 GBP
View
Most Expensive
B
NZ Jewellers
f2405b3e-dde7-419b-8f64-bf87b0b779d8 · Oct 30
€2,645 EUR
$2,955 USD
View
7 more retailers have this diamond
Prices start from €1,047 EURSave up to €1,598 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
€1,047 EUR