Round|Natural|IGI

1.57ct J I1 Round Natural Diamond

EX • J/I1 • IGI 807683189

Shape and cutting style on the report: Round brilliant

Certificate IGI 807683189

Diamond specifications and retailer prices

From $3,001 CAD
$2,148 USD
As of October 30, 2026
Save $3,945 CAD (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,945 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 J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 807683189. Listed at 7 retailers as of October 30, 2026, with prices from $3,001 to $6,945, a $3,945 spread on the same certified stone. NZ Jewellers lists it at $6,945. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
J
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.3°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 807683189
Dimensions7.37 × 7.43 × 4.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.37 mm7.43 mm1.57 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 807683189
Side View
Table 56.0%Crown 35.3°Girdle: MediumPavilion 41.6°CuletDepth 63.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,945 CAD|Low: $3,001 CAD|High: $6,945 CAD|Avg: $4,315 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6$3,001 CAD
Retailer 3$3,322 CAD
Retailer 4$3,322 CAD
Retailer 5$4,004 CAD
Retailer 2$4,149 CAD
Retailer 7$5,365 CAD
NZ Jewellers$6,945 CAD

13 data points across 7 retailers

7 retailers$3,001 CAD to $6,945 CAD

B+
Cheapest Retailer
-
$3,001 CAD
$2,148 USD
B+
Retailer 2
-
$3,322 CAD
$2,378 USD
View
B+
Retailer 3
-
$3,322 CAD
$2,378 USD
View
B+
Retailer 4
-
$3,475 CAD
$2,488 USD
View
B+
Retailer 5
-
$3,833 CAD
$2,744 USD
View
B+
Retailer 6
-
$4,149 CAD
€2,829 EUR
View
Most Expensive
B
NZ Jewellers
d68a372b-61e4-4005-a96d-366a8e3500e7 · Oct 30
$6,945 CAD
$4,972 USD
View
6 more retailers have this diamond
Prices start from $3,001 CADSave up to $3,945 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.

B+
1.57ct Round
$3,001 CAD