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Round|Natural|GIA

0.53ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6505468243

Certificate GIA 6505468243

Diamond specifications and retailer prices

From $565 AUD
As of November 5, 2026
Save $1,224 AUD (68%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,451 AUD at NZ Jewellers · As of September 24, 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 6505468243. Listed at 14 retailers as of November 5, 2026, with a 217% 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 angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6505468243
Dimensions5.17 × 5.15 × 3.22 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
5.17 mm5.15 mm0.53 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505468243
Side View
Table 56.0%Crown 35°Girdle: Sli. ThickPavilion 41°Culet: NoneDepth 62.6%

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: Nov 5
Current: $2,404 AUD|Low: $565 AUD|High: $2,451 AUD|Avg: $1,015 AUD|-1.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7$565 AUD
Retailer 5$627 AUD
Retailer 8$703 AUD
Retailer 2$766 AUD
Retailer 6$899 AUD
Retailer 9$923 AUD
Retailer 3$947 AUD
Retailer 4$1,447 AUD
NZ Jewellers$2,404 AUD

42 data points across 9 retailers

14 retailers$565 AUD to $1,789 AUD

A
Cheapest Retailer
-
$565 AUD
Retailer 2
-
$627 AUD
View
Price last confirmed 17 days ago
Retailer 3
-
$639 AUD
View
Price last confirmed 43 days ago
Retailer 4
-
$688 AUD
View
Price last confirmed 22 days ago
Retailer 5
-
$688 AUD
View
Price last confirmed 21 days ago
Retailer 6
-
$738 AUD
View
Price last confirmed 45 days ago
A
Retailer 7
-
$766 AUD
View
A
Retailer 8
-
$899 AUD
View
A
Retailer 9
-
$923 AUD
View
A
Retailer 10
-
$947 AUD
View
B+
Retailer 11
-
$1,447 AUD
View
B
Retailer 12
-
$1,789 AUD
View
Retailer 13
-
$2,404 AUD
View
Price last confirmed 17 days ago
Most Expensive
NZ Jewellers
be5088fd-06f0-447d-83f4-2e0817027e09 · Sep 24
$2,451 AUD
$1,684 USD
View
Price last confirmed 43 days ago
13 more retailers have this diamond
Prices start from $565 AUDSave up to $1,224 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
$565 AUD