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0.53ct I SI2 Round Natural Diamond

EX • I/SI2 • HRD 260000206354

Certificate HRD 260000206354

Diamond specifications and retailer prices

From $370 AUD
As of November 6, 2026
Save $1,581 AUD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,951 AUD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.53ct natural round diamond

This 0.53ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by HRD 260000206354. Listed at 14 retailers as of November 4, 2026, with prices from $370 to $1,951, a $1,581 spread on the same certified stone. NZ Jewellers lists it at $1,951. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.53
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41°
OriginNatural
Grading LabHRD
CertificateHRD 260000206354
Dimensions5.19 × 5.22 × 3.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.19 mm5.22 mm0.53 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000206354
Side View
Table 58.0%Crown 35.2°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,951 AUD|Low: $370 AUD|High: $2,047 AUD|Avg: $838 AUD|-4.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2$370 AUD
Retailer 11$470 AUD
Retailer 10$509 AUD
Retailer 7$546 AUD
Retailer 9$569 AUD
Retailer 6$680 AUD
Retailer 4$686 AUD
Retailer 12$686 AUD
Retailer 5$837 AUD
Retailer 8$1,174 AUD
Retailer 3$1,573 AUD
NZ Jewellers$1,951 AUD

43 data points across 12 retailers

14 retailers$370 AUD to $1,951 AUD

A
Cheapest Retailer
-
$370 AUD
A
Retailer 2
-
$470 AUD
View
Final sale: no returns
A
Retailer 3
-
$509 AUD
View
A
Retailer 4
-
$546 AUD
View
Retailer 5
-
$559 AUD
View
Price last confirmed 60 days ago
A
Retailer 6
-
$569 AUD
View
Retailer 7
-
$644 AUD
View
Price last confirmed 59 days ago
A
Retailer 8
-
$680 AUD
View
A
Retailer 9
-
$686 AUD
View
A
Retailer 10
-
$686 AUD
View
A
Retailer 11
-
$837 AUD
View
B+
Retailer 12
-
$1,174 AUD
View
B
Retailer 13
-
$1,573 AUD
View
Most Expensive
B
NZ Jewellers
06a6af4e-7b91-48e9-ba15-20d5dc2bf441 · Nov 4
$1,951 AUD
$1,366 USD
View
13 more retailers have this diamond
Prices start from $370 AUDSave up to $1,581 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
0.53ct Round
$370 AUD