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Round|Natural|IGI

1.57ct E I1 Round Natural Diamond

EX • E/I1 • IGI 175579856

Shape and cutting style on the report: Round brilliant

Certificate IGI 175579856

Diamond specifications and retailer prices

From $3,873 CAD
$2,767 USD
As of October 28, 2026
Save $3,643 CAD (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,516 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.57ct natural round diamond

This 1.57ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 175579856. Listed at 7 retailers as of October 28, 2026, with prices from $3,873 to $7,516, a $3,643 spread on the same certified stone. NZ Jewellers lists it at $7,516. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
E
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 175579856
Dimensions7.31 × 7.37 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
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Top View
7.31 mm7.37 mm1.57 ctE / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 175579856
Side View
Table 59.5%Crown 36.4°Girdle: MED-STKPavilion 41.6°CuletDepth 63.3%

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: Oct 28
Current: $7,516 CAD|Low: $3,873 CAD|High: $7,584 CAD|Avg: $5,061 CAD|-0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 7$3,873 CAD
Retailer 3$4,314 CAD
Retailer 4$4,314 CAD
Retailer 6$4,480 CAD
Retailer 5$4,978 CAD
Retailer 2$5,064 CAD
Retailer 8$5,233 CAD
NZ Jewellers$7,516 CAD

31 data points across 8 retailers

7 retailers$3,873 CAD to $7,516 CAD

A
Cheapest Retailer
-
$3,873 CAD
$2,767 USD
A
Retailer 2
-
$4,314 CAD
$3,082 USD
View
A
Retailer 3
-
$4,314 CAD
$3,082 USD
View
A
Retailer 4
-
$4,480 CAD
$3,201 USD
View
A
Retailer 5
-
$4,978 CAD
$3,557 USD
View
A
Retailer 6
-
$5,064 CAD
€3,446 EUR
View
Most Expensive
B+
NZ Jewellers
5ca9c548-1c0e-4693-8692-9d34c7686e15 · Oct 30
$7,516 CAD
$5,370 USD
View
6 more retailers have this diamond
Prices start from $3,873 CADSave up to $3,643 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
1.57ct Round
$3,873 CAD