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Round|Natural|GIA

0.52ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1553962640

Certificate GIA 1553962640

Diamond specifications and retailer prices

From $632 AUD
As of November 2, 2026
Save $1,259 AUD (67%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,569 AUD at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 0.52ct natural round diamond

This 0.52ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1553962640. Listed at 18 retailers as of November 2, 2026, with a 199% 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

0.52
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1553962640
Dimensions5.11 × 5.14 × 3.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.11 mm5.14 mm0.52 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1553962640
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.9%

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 2
Current: $2,569 AUD|Low: $630 AUD|High: $2,569 AUD|Avg: $1,082 AUD
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
Retailer 14
November 4, 2026
Retailer 11$632 AUD
Retailer 2$707 AUD
Retailer 4$742 AUD
Retailer 3$754 AUD
Retailer 6$825 AUD
Retailer 5$882 AUD
Retailer 8$997 AUD
Retailer 10$1,019 AUD
Retailer 9$1,071 AUD
Retailer 7$1,099 AUD
Retailer 12$1,140 AUD
Retailer 14$1,263 AUD
Retailer 13$1,891 AUD
NZ Jewellers$2,569 AUD

31 data points across 14 retailers

18 retailers$632 AUD to $1,891 AUD

A
Cheapest Retailer
-
$632 AUD
A
Retailer 2
-
$707 AUD
View
A
Retailer 3
-
$742 AUD
View
Retailer 4
-
$825 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$830 AUD
View
Retailer 6
-
$872 AUD
View
Price last confirmed 53 days ago
Retailer 7
-
$882 AUD
View
Price last confirmed 22 days ago
Retailer 8
-
$882 AUD
View
Price last confirmed 15 days ago
B+
Retailer 9
-
$997 AUD
View
Retailer 10
-
$1,006 AUD
View
Price last confirmed 53 days ago
B+
Retailer 11
-
$1,019 AUD
View
B+
Retailer 12
-
$1,071 AUD
View
B+
Retailer 13
-
$1,099 AUD
View
B+
Retailer 14
-
$1,140 AUD
View
Retailer 15
-
$1,263 AUD
View
Price last confirmed 7 days ago
Retailer 16
-
$1,279 AUD
View
Price last confirmed 33 days ago
B
Retailer 17
-
$1,891 AUD
View
Most Expensive
NZ Jewellers
23ab69bb-6ceb-4dcb-a98f-8c351818bcc4 · Oct 23
$2,569 AUD
$1,765 USD
View
Price last confirmed 14 days ago
17 more retailers have this diamond
Prices start from $632 AUDSave up to $1,259 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
0.52ct Round
$632 AUD