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1.57ct I I1 Round Natural Diamond

EX • I/I1 • IGI 432016648

Shape and cutting style on the report: Round brilliant

Certificate IGI 432016648

Diamond specifications and retailer prices

From $6,644 AUD
$4,667 USD
As of November 2, 2026
Save $615 AUD (8%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $7,259 AUD at Yorxs · As of November 1, 2026
View at Yorxs

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 top-tier cut grade and certified by IGI 432016648. Listed at 2 retailers as of November 1, 2026, with a relatively tight 9% 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
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.1°
Pavilion angle40.5°
OriginNatural
Grading LabIGI
CertificateIGI 432016648
Dimensions7.50 × 7.53 × 4.49 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeSmall
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.50 mm7.53 mm1.57 ctI / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 432016648
Side View
Table 59.5%Crown 33.1°Girdle: MED-STKPavilion 40.5°Culet: SmallDepth 59.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,644 AUD|Low: $6,644 AUD|High: $7,311 AUD|Avg: $6,925 AUD
Retailer 1
Yorxs
November 1, 2026
Retailer 1$6,644 AUD
Yorxs$7,259 AUD

22 data points across 2 retailers

2 retailers$6,644 AUD to $7,259 AUD

B+
Cheapest Retailer
-
$6,644 AUD
$4,667 USD
Most Expensive
B
Yorxs
508583097 · Nov 1
$7,259 AUD
€4,856 EUR
View
1 more retailer has this diamond
Prices start from $6,644 AUDSave up to $615 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.

B+
1.57ct Round
$6,644 AUD