Round|Natural|GIA

0.53ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 5503488861

Certificate GIA 5503488861

Diamond specifications and retailer prices

From $530 AUD
As of November 1, 2026
Save $919 AUD (63%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,406 AUD at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5503488861. Listed at 11 retailers as of November 1, 2026, with a 173% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5503488861
Dimensions5.15 × 5.18 × 3.24 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.15 mm5.18 mm0.53 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5503488861
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.7%

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 1
Current: $2,406 AUD|Low: $396 AUD|High: $2,428 AUD|Avg: $922 AUD|-0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 11$530 AUD
Retailer 12$577 AUD
Retailer 10$627 AUD
Retailer 3$661 AUD
Retailer 9$676 AUD
Retailer 5$704 AUD
Retailer 4$724 AUD
Retailer 13$780 AUD
Retailer 2$860 AUD
Retailer 7$1,004 AUD
Retailer 6$1,014 AUD
Retailer 8$1,448 AUD
NZ Jewellers$2,406 AUD

41 data points across 13 retailers

11 retailers$530 AUD to $1,448 AUD

A
Cheapest Retailer
-
$530 AUD
A
Retailer 2
-
$627 AUD
View
Retailer 3
-
$661 AUD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$676 AUD
View
A
Retailer 5
-
$724 AUD
View
B+
Retailer 6
-
$780 AUD
View
Retailer 7
-
$860 AUD
View
B
Retailer 8
-
$1,004 AUD
View
B+
Retailer 9
-
$1,014 AUD
View
B
Retailer 10
-
$1,448 AUD
View
Most Expensive
NZ Jewellers
6e263124-e163-4e56-8b76-b3a3d76c3507 · Oct 30
$2,406 AUD
$1,684 USD
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from $530 AUDSave up to $919 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
$530 AUD