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1.57ct H IF Round Natural Diamond

EX • H/IF • HRD 260000025497

Certificate HRD 260000025497

Diamond specifications and retailer prices

From $11,020 AUD
$7,741 USD
As of October 31, 2026
Save $1,802 AUD (14%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $19,969 AUD at NZ Jewellers · As of October 20, 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 H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by HRD 260000025497. Listed at 9 retailers as of October 31, 2026, with a relatively tight 16% 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
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginNatural
Grading LabHRD
CertificateHRD 260000025497
Dimensions7.37 × 7.42 × 4.62 mm
L/W Ratio1.01
Top View
7.37 mm7.42 mm1.57 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000025497
Side View
Table 58.0%Crown 35.2°Girdle: MediumPavilion 41.2°Culet: UNSDepth 62.5%

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: Oct 31
Current: $19,969 AUD|Low: $10,029 AUD|High: $20,394 AUD|Avg: $13,423 AUD|-2.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7$11,020 AUD
Retailer 2$11,189 AUD
Retailer 10$11,256 AUD
Retailer 6$11,940 AUD
Retailer 5$12,123 AUD
Retailer 4$12,365 AUD
Retailer 3$12,822 AUD
Retailer 9$13,776 AUD
Retailer 8$16,727 AUD
NZ Jewellers$19,969 AUD

33 data points across 10 retailers

9 retailers$11,020 AUD to $12,822 AUD

A
Cheapest Retailer
-
$11,020 AUD
$7,741 USD
Final sale: no returns
A
Retailer 2
-
$11,189 AUD
£6,189 GBP
View
Retailer 3
-
$11,940 AUD
$8,387 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$12,123 AUD
$8,516 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$12,365 AUD
€8,272 EUR
View
A
Retailer 6
-
$12,822 AUD
£7,092 GBP
View
Retailer 7
-
$13,776 AUD
$9,677 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$16,727 AUD
£9,252 GBP
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
610cd8e6-f4b9-4f1e-bf9f-cd3d66faeba6 · Oct 20
$19,969 AUD
$14,027 USD
View
Price last confirmed 12 days ago
8 more retailers have this diamond
Prices start from $11,020 AUDSave up to $1,802 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
$11,020 AUD