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Round|Natural|GIA

1.25ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2225951226

Certificate GIA 2225951226

Diamond specifications and retailer prices

From €3,044 EUR
£2,688 GBP
As of November 2, 2026
Save €2,468 EUR (45%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €5,512 EUR at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct 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 GIA 2225951226. Listed at 5 retailers as of November 2, 2026, with prices from €3,044 to €5,512, a €2,468 spread on the same certified stone. NZ Jewellers lists it at €5,512. 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

1.25
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2225951226
Dimensions6.87 × 6.84 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Crystal
Top View
6.87 mm6.84 mm1.25 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2225951226
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.5%

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 2
Current: €5,512 EUR|Low: €2,433 EUR|High: €5,512 EUR|Avg: €3,502 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6€2,433 EUR
Retailer 8€2,808 EUR
Retailer 9€2,972 EUR
Retailer 2€3,044 EUR
Retailer 10€3,142 EUR
Retailer 3€3,286 EUR
Retailer 4€3,472 EUR
Retailer 7€3,837 EUR
Retailer 5€5,291 EUR
NZ Jewellers€5,512 EUR

2 data points across 10 retailers

5 retailers€3,044 EUR to €5,512 EUR

B
Cheapest Retailer
-
€3,044 EUR
£2,688 GBP
B+
Retailer 2
-
€3,286 EUR
£2,902 GBP
View
B
Retailer 3
-
€3,472 EUR
View
B
Retailer 4
-
€5,291 EUR
£4,673 GBP
View
Most Expensive
B
NZ Jewellers
2bf59f73-b8ec-43b5-ad6d-023b8c502bcd · Nov 2
€5,512 EUR
$6,182 USD
View
4 more retailers have this diamond
Prices start from €3,044 EURSave up to €2,468 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+
1.25ct Round
€3,044 EUR