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Round|Natural|IGI

1.57ct I I1 Round Natural Diamond

VG • I/I1 • IGI 519263593

Shape and cutting style on the report: Round brilliant

Certificate IGI 519263593

Diamond specifications and retailer prices

From $3,610 AUD
$2,536 USD
As of November 1, 2026
Save $4,796 AUD (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,406 AUD 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 I colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 519263593. Listed at 7 retailers as of October 30, 2026, with prices from $3,610 to $8,406, a $4,796 spread on the same certified stone. NZ Jewellers lists it at $8,406. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.57
Carat
I
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 519263593
Dimensions7.24 × 7.28 × 4.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.24 mm7.28 mm1.57 ctI / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 519263593
Side View
Table 58.0%Crown 36.4°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 64.4%

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: Nov 1
Current: $8,406 AUD|Low: $3,041 AUD|High: $8,525 AUD|Avg: $4,645 AUD|-1.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9$3,041 AUD
Retailer 7$3,610 AUD
Retailer 3$4,022 AUD
Retailer 4$4,022 AUD
Retailer 6$4,175 AUD
Retailer 5$4,640 AUD
Retailer 2$4,688 AUD
Retailer 8$4,878 AUD
NZ Jewellers$8,406 AUD

31 data points across 9 retailers

7 retailers$3,610 AUD to $8,406 AUD

A
Cheapest Retailer
-
$3,610 AUD
$2,536 USD
B+
Retailer 2
-
$4,022 AUD
$2,825 USD
View
B+
Retailer 3
-
$4,022 AUD
$2,825 USD
View
B+
Retailer 4
-
$4,175 AUD
$2,933 USD
View
B+
Retailer 5
-
$4,640 AUD
$3,259 USD
View
B+
Retailer 6
-
$4,688 AUD
€3,136 EUR
View
Most Expensive
B
NZ Jewellers
ffdc00e4-0500-460f-a288-20de5e9ecd5a · Oct 30
$8,406 AUD
$5,905 USD
View
6 more retailers have this diamond
Prices start from $3,610 AUDSave up to $4,796 AUD

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
$3,610 AUD