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Round|Natural|GIA

0.53ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6555124321

Certificate GIA 6555124321

Diamond specifications and retailer prices

From $919 AUD
As of November 4, 2026
Save $1,091 AUD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,446 AUD at NZ Jewellers · As of September 23, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555124321. Listed at 19 retailers as of November 4, 2026, with a 119% 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6555124321
Dimensions5.24 × 5.25 × 3.16 mm
L/W Ratio1.00
Top View
5.24 mm5.25 mm0.53 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555124321
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.3%

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 4
Current: $1,293 AUD|Low: $841 AUD|High: $2,811 AUD|Avg: $1,426 AUD|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$919 AUD
Retailer 10$977 AUD
Retailer 6$996 AUD
Retailer 3$1,149 AUD
Retailer 11$1,214 AUD
Retailer 2$1,243 AUD
Retailer 1$1,293 AUD
Retailer 7$1,379 AUD
Retailer 5$1,550 AUD
Retailer 4$2,010 AUD
Retailer 8$2,803 AUD

44 data points across 11 retailers

19 retailers$919 AUD to $2,010 AUD

A
Cheapest Retailer
-
$919 AUD
Final sale: no returns
A
Retailer 2
-
$977 AUD
View
Retailer 3
-
$996 AUD
View
Price last confirmed 8 days ago
Retailer 4
-
$996 AUD
View
Price last confirmed 29 days ago
Retailer 5
-
$1,034 AUD
View
Price last confirmed 15 days ago
Retailer 6
-
$1,034 AUD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
$1,060 AUD
View
Retailer 8
-
$1,149 AUD
View
Price last confirmed 44 days ago
B+
Retailer 9
-
$1,149 AUD
View
B+
Retailer 10
-
$1,214 AUD
View
B+
Retailer 11
-
$1,214 AUD
View
B+
Retailer 12
-
$1,243 AUD
View
B+
Retailer 13
-
$1,293 AUD
View
B+
Retailer 14
-
$1,379 AUD
View
B
Retailer 15
-
$1,550 AUD
View
B
Retailer 16
-
$2,010 AUD
View
Retailer 17
-
$2,803 AUD
View
Price last confirmed 10 days ago
Retailer 18
-
$3,446 AUD
View
Price under review
Most Expensive
NZ Jewellers
9e226bee-398f-4050-a4f8-08bc5025664c · Sep 23
$3,446 AUD
$2,412 USD
View
Price under review
18 more retailers have this diamond
Prices start from $919 AUDSave up to $1,091 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
$919 AUD