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Round|Natural|IGI

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 $3,136 CAD
$2,245 USD
As of October 30, 2026
Save $4,121 CAD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,257 CAD 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 $3,136 to $7,257, a $4,121 spread on the same certified stone. NZ Jewellers lists it at $7,257. 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
Color
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: $3,225 CAD|Low: $2,161 CAD|High: $6,007 CAD|Avg: $3,624 CAD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$2,161 CAD
Retailer 10$3,136 CAD
Retailer 5$3,204 CAD
Retailer 1$3,225 CAD
Retailer 7$3,302 CAD
Retailer 6$3,471 CAD
Retailer 9$3,667 CAD
Retailer 3$4,061 CAD
Retailer 8$4,130 CAD
Retailer 4$5,945 CAD

33 data points across 10 retailers

11 retailers$3,136 CAD to $7,257 CAD

A
Cheapest Retailer
-
$3,136 CAD
$2,245 USD
A
Retailer 2
-
$3,204 CAD
$2,294 USD
View
Final sale: no returns
A
Retailer 3
-
$3,225 CAD
£1,818 GBP
View
A
Retailer 4
-
$3,471 CAD
$2,485 USD
View
A
Retailer 5
-
$3,471 CAD
$2,485 USD
View
A
Retailer 6
-
$3,632 CAD
$2,600 USD
View
A
Retailer 7
-
$3,667 CAD
$2,625 USD
View
A
Retailer 8
-
$4,005 CAD
$2,867 USD
View
A
Retailer 9
-
$4,061 CAD
€2,769 EUR
View
B+
Retailer 10
-
$5,945 CAD
£3,351 GBP
View
Most Expensive
B
NZ Jewellers
847bf1c9-4f0d-461b-afc1-baf01741f4bf · Oct 30
$7,257 CAD
$5,195 USD
View
10 more retailers have this diamond
Prices start from $3,136 CADSave up to $4,121 CAD

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
$3,136 CAD