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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 $4,507 NZD
$2,536 USD
As of November 1, 2026
Save $5,988 NZD (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,495 NZD at NZ Jewellers · As of November 2, 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 November 1, 2026, with prices from $4,507 to $10,495, a $5,988 spread on the same certified stone. NZ Jewellers lists it at $10,495. 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: $10,495 NZD|Low: $3,796 NZD|High: $10,642 NZD|Avg: $5,799 NZD|-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$3,796 NZD
Retailer 7$4,507 NZD
Retailer 3$5,021 NZD
Retailer 4$5,021 NZD
Retailer 6$5,213 NZD
Retailer 5$5,792 NZD
Retailer 2$5,852 NZD
Retailer 8$6,090 NZD
NZ Jewellers$10,495 NZD

31 data points across 9 retailers

7 retailers$4,507 NZD to $10,495 NZD

A
Cheapest Retailer
-
$4,507 NZD
$2,536 USD
B+
Retailer 2
-
$5,021 NZD
$2,825 USD
View
B+
Retailer 3
-
$5,021 NZD
$2,825 USD
View
B+
Retailer 4
-
$5,213 NZD
$2,933 USD
View
B+
Retailer 5
-
$5,792 NZD
$3,259 USD
View
B+
Retailer 6
-
$5,852 NZD
€3,136 EUR
View
Most Expensive
B
NZ Jewellers
ffdc00e4-0500-460f-a288-20de5e9ecd5a · Nov 2
$10,495 NZD
$5,905 USD
View
6 more retailers have this diamond
Prices start from $4,507 NZDSave up to $5,988 NZD

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
$4,507 NZD