Round|Natural|IGI

1.57ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 654415955

Shape and cutting style on the report: Round brilliant

Certificate IGI 654415955

Diamond specifications and retailer prices

From $6,687 NZD
$3,769 USD
As of October 31, 2026
Save $1,136 NZD (15%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $13,160 NZD at NZ Jewellers · As of September 19, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 654415955. Listed at 14 retailers as of October 31, 2026, with a relatively tight 17% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 654415955
Dimensions7.42 × 7.44 × 4.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.42 mm7.44 mm1.57 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 654415955
Side View
Table 58.0%Crown 35.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $7,823 NZD|Low: $6,391 NZD|High: $12,783 NZD|Avg: $8,140 NZD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 5$6,647 NZD
Retailer 4$6,687 NZD
Retailer 6$6,971 NZD
Retailer 2$7,204 NZD
Retailer 3$7,553 NZD
Retailer 10$7,553 NZD
Retailer 1$7,823 NZD
Retailer 8$8,495 NZD
Retailer 7$8,563 NZD
Retailer 9$9,116 NZD
Retailer 11$12,459 NZD

29 data points across 11 retailers

14 retailers$6,687 NZD to $7,823 NZD

Retailer 1
-
$6,647 NZD
$3,746 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$6,687 NZD
$3,769 USD
View
Retailer 3
-
$6,971 NZD
$3,929 USD
View
Final sale: no returns
Retailer 4
-
$7,204 NZD
$4,060 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$7,553 NZD
$4,257 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$7,553 NZD
$4,257 USD
View
Price last confirmed 39 days ago
Retailer 7
-
$7,780 NZD
$4,385 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
$7,823 NZD
£3,472 GBP
View
Retailer 9
-
$8,495 NZD
€4,560 EUR
View
Price last confirmed 10 days ago
Retailer 10
-
$8,563 NZD
£3,800 GBP
View
Price last confirmed 10 days ago
Retailer 11
-
$8,715 NZD
$4,912 USD
View
Price last confirmed 41 days ago
Retailer 12
-
$9,116 NZD
ZAR 83,003 ZAR
View
Price last confirmed 10 days ago
Retailer 13
-
$12,459 NZD
£5,529 GBP
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
cdb24b07-83a7-422a-ba0b-7b72805ee1e7 · Sep 19
$13,160 NZD
$7,417 USD
View
Price last confirmed 43 days ago
13 more retailers have this diamond
Prices start from $6,687 NZDSave up to $1,136 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
$6,687 NZD