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Round|Natural|GIA

1.57ct J I1 Round Natural Diamond

EX • J/I1 • GIA 6505903416

Certificate GIA 6505903416

Diamond specifications and retailer prices

From $5,766 AUD
$4,050 USD
As of October 30, 2026
Save $199 AUD (3%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,965 AUD at Jared · As of November 2, 2026
View at Jared

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 I1 clarity (included), with a top-tier cut grade and certified by GIA 6505903416. Listed at 3 retailers as of November 2, 2026, with a relatively tight 3% 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
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6505903416
Dimensions7.43 × 7.46 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.43 mm7.46 mm1.57 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6505903416
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.2%

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: Oct 30
Current: $5,965 AUD|Low: $5,766 AUD|High: $6,606 AUD|Avg: $6,045 AUD|-0.7%
Jared
Retailer 2
Retailer 3
June 23, 2026
Retailer 2$5,766 AUD
Retailer 3$5,766 AUD
Jared$5,965 AUD

8 data points across 3 retailers

3 retailers$5,766 AUD to $5,965 AUD

B+
Cheapest Retailer
-
$5,766 AUD
$4,050 USD
B+
Retailer 2
-
$5,766 AUD
$4,050 USD
View
Most Expensive
B
Jared
152926087 · Nov 2
$5,965 AUD
$4,190 USD
View
2 more retailers have this diamond
Prices start from $5,766 AUDSave up to $199 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
$5,766 AUD