Round|Natural|IGI

1.25ct I IF Round Natural Diamond

EX • I/IF • IGI 651485123

Shape and cutting style on the report: Round brilliant

Certificate IGI 651485123

Diamond specifications and retailer prices

From €2,520 EUR
As of November 5, 2026
Save €2,172 EUR (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,972 EUR at NZ Jewellers · As of September 21, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 651485123. Listed at 14 retailers as of November 4, 2026, with a 86% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 651485123
Dimensions6.92 × 6.88 × 4.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.92 mm6.88 mm1.25 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 651485123
Side View
Table 56.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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: Nov 5
Current: €2,945 EUR|Low: €2,195 EUR|High: €4,829 EUR|Avg: €3,096 EUR|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6€2,520 EUR
Retailer 8€2,557 EUR
Retailer 2€2,569 EUR
Retailer 9€2,635 EUR
Retailer 10€2,854 EUR
Retailer 1€2,945 EUR
Retailer 4€3,230 EUR
Retailer 3€3,267 EUR
Retailer 5€3,433 EUR
Retailer 7€4,692 EUR

36 data points across 10 retailers

14 retailers€2,520 EUR to €4,692 EUR

A
Cheapest Retailer
-
€2,520 EUR
A
Retailer 2
-
€2,557 EUR
View
A
Retailer 3
-
€2,569 EUR
View
A
Retailer 4
-
€2,635 EUR
View
Final sale: no returns
Retailer 5
-
€2,750 EUR
View
Price last confirmed 102 days ago
Retailer 6
-
€2,854 EUR
View
Price last confirmed 44 days ago
Retailer 7
-
€2,854 EUR
View
Price last confirmed 36 days ago
A
Retailer 8
-
€2,945 EUR
View
A
Retailer 9
-
€3,230 EUR
View
A
Retailer 10
-
€3,267 EUR
View
Retailer 11
-
€3,292 EUR
View
Price last confirmed 45 days ago
A
Retailer 12
-
€3,433 EUR
View
A
Retailer 13
-
€4,692 EUR
View
Most Expensive
NZ Jewellers
5a395021-560a-4475-87ec-639475c164e0 · Sep 21
€4,972 EUR
$5,580 USD
View
Price last confirmed 45 days ago
13 more retailers have this diamond
Prices start from €2,520 EURSave up to €2,172 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
1.25ct Round
€2,520 EUR