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Round|Natural|IGI

1.57ct L IF Round Natural Diamond

EX • L/IF • IGI 670479258

Shape and cutting style on the report: Round brilliant

Certificate IGI 670479258

Diamond specifications and retailer prices

From $3,604 AUD
As of November 5, 2026
Save $4,808 AUD (57%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,412 AUD at NZ Jewellers · As of November 5, 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 L colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 670479258. Listed at 10 retailers as of November 5, 2026, with prices from $3,604 to $8,412, a $4,808 spread on the same certified stone. NZ Jewellers lists it at $8,412. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
L
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 670479258
Dimensions7.26 × 7.32 × 4.65 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.26 mm7.32 mm1.57 ctL / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670479258
Side View
Table 56.0%Crown 36.1°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 63.7%

Caratlytics Score

How it works →
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: Nov 5
Current: $8,412 AUD|Low: $3,604 AUD|High: $8,590 AUD|Avg: $4,773 AUD|-2.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4$3,604 AUD
Retailer 10$3,756 AUD
Retailer 7$3,950 AUD
Retailer 8$4,024 AUD
Retailer 9$4,108 AUD
Retailer 5$4,178 AUD
Retailer 6$4,643 AUD
Retailer 2$4,674 AUD
Retailer 3$4,911 AUD
NZ Jewellers$8,412 AUD

35 data points across 10 retailers

10 retailers$3,604 AUD to $8,412 AUD

A
Cheapest Retailer
-
$3,604 AUD
A
Retailer 2
-
$3,756 AUD
View
A
Retailer 3
-
$3,950 AUD
View
A
Retailer 4
-
$4,024 AUD
View
Retailer 5
-
$4,108 AUD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$4,178 AUD
View
A
Retailer 7
-
$4,643 AUD
View
A
Retailer 8
-
$4,674 AUD
View
A
Retailer 9
-
$4,911 AUD
View
Most Expensive
B
NZ Jewellers
3a410736-d7fd-416d-8789-f16272b39d68 · Nov 5
$8,412 AUD
$5,889 USD
View
9 more retailers have this diamond
Prices start from $3,604 AUDSave up to $4,808 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
$3,604 AUD