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1.25ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 670479480

Shape and cutting style on the report: Round brilliant

Certificate IGI 670479480

Diamond specifications and retailer prices

From €2,009 EUR
$2,245 USD
As of October 30, 2026
Save €2,641 EUR (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,650 EUR at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 670479480. Listed at 11 retailers as of October 30, 2026, with prices from €2,009 to €4,650, a €2,641 spread on the same certified stone. NZ Jewellers lists it at €4,650. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 670479480
Dimensions6.90 × 6.95 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.90 mm6.95 mm1.25 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670479480
Side View
Table 61.0%Crown 32°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 60.6%

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: €4,650 EUR|Low: €1,385 EUR|High: €4,650 EUR|Avg: €2,505 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 6€1,385 EUR
Retailer 5€2,009 EUR
Retailer 9€2,053 EUR
Retailer 2€2,060 EUR
Retailer 14€2,116 EUR
Retailer 11€2,224 EUR
Retailer 13€2,224 EUR
Retailer 10€2,327 EUR
Retailer 4€2,350 EUR
Retailer 12€2,566 EUR
Retailer 8€2,607 EUR
Retailer 3€2,647 EUR
Retailer 7€3,804 EUR
NZ Jewellers€4,650 EUR

35 data points across 14 retailers

11 retailers€2,009 EUR to €4,650 EUR

A
Cheapest Retailer
-
€2,009 EUR
$2,245 USD
A
Retailer 2
-
€2,053 EUR
$2,294 USD
View
Final sale: no returns
A
Retailer 3
-
€2,060 EUR
£1,812 GBP
View
A
Retailer 4
-
€2,224 EUR
$2,485 USD
View
A
Retailer 5
-
€2,224 EUR
$2,485 USD
View
A
Retailer 6
-
€2,327 EUR
$2,600 USD
View
A
Retailer 7
-
€2,350 EUR
$2,625 USD
View
A
Retailer 8
-
€2,566 EUR
$2,867 USD
View
A
Retailer 9
-
€2,607 EUR
View
B+
Retailer 10
-
€3,804 EUR
£3,346 GBP
View
Most Expensive
B
NZ Jewellers
847bf1c9-4f0d-461b-afc1-baf01741f4bf · Oct 30
€4,650 EUR
$5,195 USD
View
10 more retailers have this diamond
Prices start from €2,009 EURSave up to €2,641 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
€2,009 EUR