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 $2,148 USD
As of October 30, 2026
Save $2,824 USD (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $4,972 USD 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 $2,148 to $4,972, a $2,824 spread on the same certified stone. NZ Jewellers lists it at $4,972. 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: $4,972 USD|Low: $2,148 USD|High: $4,972 USD|Avg: $3,088 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6$2,148 USD
Retailer 3$2,378 USD
Retailer 4$2,378 USD
Retailer 5$2,866 USD
Retailer 2$2,958 USD
Retailer 7$3,841 USD
NZ Jewellers$4,972 USD

14 data points across 7 retailers

7 retailers$2,148 USD to $4,972 USD

B+
Cheapest Retailer
-
$2,148 USD
B+
Retailer 2
-
$2,378 USD
View
B+
Retailer 3
-
$2,378 USD
View
B+
Retailer 4
-
$2,488 USD
View
B+
Retailer 5
-
$2,744 USD
View
B+
Retailer 6
-
$2,958 USD
€2,817 EUR
View
Most Expensive
B
NZ Jewellers
d68a372b-61e4-4005-a96d-366a8e3500e7 · Oct 30
$4,972 USD
View
6 more retailers have this diamond
Prices start from $2,148 USDSave up to $2,824 USD

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
$2,148 USD