Round|Natural|GIA

1.25ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1232557961

Certificate GIA 1232557961

Diamond specifications and retailer prices

From €2,555 EUR
$2,866 USD
As of October 31, 2026
Save €808 EUR (24%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €4,838 EUR at MOH London · As of October 26, 2026
View at MOH London

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 1232557961. Listed at 9 retailers as of October 27, 2026, with a 32% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1232557961
Dimensions6.89 × 6.91 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.89 mm6.91 mm1.25 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1232557961
Side View
Table 56.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 62.3%

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: Oct 31
Current: €4,838 EUR|Low: €2,434 EUR|High: €4,890 EUR|Avg: €3,302 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 8€2,472 EUR
Retailer 6€2,555 EUR
Retailer 4€2,693 EUR
Retailer 7€2,693 EUR
Retailer 5€2,782 EUR
Retailer 2€2,983 EUR
Retailer 9€3,351 EUR
Retailer 3€3,364 EUR
MOH London€4,838 EUR

24 data points across 9 retailers

9 retailers€2,555 EUR to €3,364 EUR

Retailer 1
-
€2,472 EUR
$2,773 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
€2,555 EUR
$2,866 USD
View
B+
Retailer 3
-
€2,693 EUR
$3,020 USD
View
B+
Retailer 4
-
€2,693 EUR
$3,020 USD
View
B+
Retailer 5
-
€2,782 EUR
$3,120 USD
View
B
Retailer 6
-
€2,983 EUR
£2,634 GBP
View
Retailer 7
-
€3,351 EUR
$3,759 USD
View
Price last confirmed 10 days ago
B
Retailer 8
-
€3,364 EUR
View
Most Expensive
MOH London
27676609F · Oct 26
€4,838 EUR
£4,273 GBP
View
Price last confirmed 7 days ago
8 more retailers have this diamond
Prices start from €2,555 EURSave up to €808 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
€2,555 EUR