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Round|Natural|IGI

1.57ct K VS2 Round Natural Diamond

EX • K/VS2 • IGI 683517757

Shape and cutting style on the report: Round brilliant

Certificate IGI 683517757

Diamond specifications and retailer prices

From $4,207 AUD
As of November 3, 2026
Save $3,007 AUD (42%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $9,021 AUD at NZ Jewellers · As of September 28, 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 K colour (faint-tinted) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 683517757. Listed at 7 retailers as of November 1, 2026, with a 71% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
K
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 683517757
Dimensions7.40 × 7.45 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.40 mm7.45 mm1.57 ctK / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 683517757
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

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 3
Current: $4,723 AUD|Low: $4,114 AUD|High: $7,301 AUD|Avg: $5,087 AUD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4$4,114 AUD
Retailer 3$4,207 AUD
Retailer 1$4,723 AUD
Retailer 6$4,810 AUD
Retailer 5$5,190 AUD
Retailer 2$7,214 AUD

27 data points across 6 retailers

7 retailers$4,207 AUD to $7,214 AUD

A
Cheapest Retailer
-
$4,207 AUD
Retailer 2
-
$4,314 AUD
View
Price last confirmed 41 days ago
Retailer 3
-
$4,314 AUD
View
Price last confirmed 29 days ago
Retailer 4
-
$4,481 AUD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$4,723 AUD
View
B+
Retailer 6
-
$7,214 AUD
View
Most Expensive
NZ Jewellers
4845feb5-80ad-44c5-93cb-cf09d87e9e46 · Sep 28
$9,021 AUD
$6,315 USD
View
Price last confirmed 39 days ago
6 more retailers have this diamond
Prices start from $4,207 AUDSave up to $3,007 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
$4,207 AUD