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Round|Natural|IGI

1.57ct I I1 Round Natural Diamond

EX • I/I1 • IGI 557225574

Shape and cutting style on the report: Round brilliant

Certificate IGI 557225574

Diamond specifications and retailer prices

From $2,244 AUD
₹149,787 INR
As of October 31, 2026
Save $283 AUD (11%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,527 AUD at Brilliance · As of November 1, 2026
View at Brilliance

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 557225574. Listed at 2 retailers as of October 31, 2026, with a relatively tight 13% 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
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.2°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 557225574
Dimensions7.35 × 7.39 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.35 mm7.39 mm1.57 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 557225574
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $2,244 AUD|Low: $2,238 AUD|High: $3,329 AUD|Avg: $2,793 AUD|-0.9%
Retailer 1
Retailer 2
October 31, 2026
Retailer 1$2,244 AUD
Retailer 2$3,329 AUD

33 data points across 2 retailers

2 retailers$2,244 AUD to $2,527 AUD

A
Cheapest Retailer
-
$2,244 AUD
₹149,787 INR
Most Expensive
B+
Brilliance
D35265899 · Nov 1
$2,527 AUD
$1,771 USD
View
1 more retailer has this diamond
Prices start from $2,244 AUDSave up to $283 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
$2,244 AUD