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Round|Natural|IGI

1.31ct I IF Round Natural Diamond

EX • I/IF • IGI 713558121

Shape and cutting style on the report: Round brilliant

Certificate IGI 713558121

Diamond specifications and retailer prices

From $4,279 CAD
$3,063 USD
As of October 30, 2026
Save $3,781 CAD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,627 CAD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.31ct natural round diamond

This 1.31ct 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 713558121. Listed at 15 retailers as of October 30, 2026, with a 88% 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

1.31
Carat
I
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 713558121
Dimensions6.96 × 6.90 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.96 mm6.90 mm1.31 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 713558121
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.9%

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: $5,616 CAD|Low: $4,279 CAD|High: $8,381 CAD|Avg: $5,489 CAD|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8$4,279 CAD
Retailer 6$4,318 CAD
Retailer 5$4,533 CAD
Retailer 3$5,098 CAD
Retailer 7$5,597 CAD
Retailer 1$5,616 CAD
Retailer 4$5,924 CAD
Retailer 2$8,060 CAD

38 data points across 8 retailers

15 retailers$4,279 CAD to $8,060 CAD

A
Cheapest Retailer
-
$4,279 CAD
$3,063 USD
A
Retailer 2
-
$4,318 CAD
$3,091 USD
View
A
Retailer 3
-
$4,533 CAD
$3,245 USD
View
Retailer 4
-
$4,630 CAD
$3,315 USD
View
Price last confirmed 97 days ago
Retailer 5
-
$4,819 CAD
$3,450 USD
View
Price last confirmed 38 days ago
Retailer 6
-
$4,952 CAD
$3,545 USD
View
Price last confirmed 14 days ago
Retailer 7
-
$4,952 CAD
$3,545 USD
View
Price last confirmed 16 days ago
A
Retailer 8
-
$5,098 CAD
£2,874 GBP
View
Retailer 9
-
$5,561 CAD
$3,981 USD
View
Price last confirmed 40 days ago
A
Retailer 10
-
$5,597 CAD
£3,155 GBP
View
A
Retailer 11
-
$5,616 CAD
€3,829 EUR
View
A
Retailer 12
-
$5,924 CAD
ZAR 68,509 ZAR
View
A
Retailer 13
-
$8,060 CAD
£4,543 GBP
View
Retailer 14
-
$8,397 CAD
$6,011 USD
View
Price last confirmed 40 days ago
Most Expensive
NZ Jewellers
e3413bef-ea9a-4f72-bd74-d1b582fa9b75 · Oct 17
$8,627 CAD
$6,176 USD
View
Price last confirmed 14 days ago
14 more retailers have this diamond
Prices start from $4,279 CADSave up to $3,781 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
1.31ct Round
$4,279 CAD