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Round|Natural|GIA

0.52ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6551507516

Certificate GIA 6551507516

Diamond specifications and retailer prices

From $638 AUD
$447 USD
As of November 2, 2026
Save $1,987 AUD (76%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,874 AUD at NZ Jewellers · As of October 17, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551507516. Listed at 26 retailers as of November 2, 2026, with a 312% 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6551507516
Dimensions5.14 × 5.18 × 3.14 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud
Top View
5.14 mm5.18 mm0.52 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551507516
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.9%

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 2
Current: $2,874 AUD|Low: $638 AUD|High: $2,874 AUD|Avg: $1,359 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
November 2, 2026
Retailer 12$638 AUD
Retailer 3$895 AUD
Retailer 5$926 AUD
Retailer 4$973 AUD
Retailer 8$1,094 AUD
Retailer 11$1,106 AUD
Retailer 6$1,113 AUD
Retailer 2$1,186 AUD
Retailer 7$1,226 AUD
Retailer 13$1,378 AUD
Retailer 9$1,414 AUD
Retailer 10$2,127 AUD
NZ Jewellers$2,874 AUD

41 data points across 13 retailers

26 retailers$638 AUD to $2,625 AUD

A
Cheapest Retailer
-
$638 AUD
$447 USD
Final sale: no returns
A
Retailer 2
-
$859 AUD
$602 USD
View
A
Retailer 3
-
$863 AUD
$605 USD
View
A
Retailer 4
-
$880 AUD
View
Retailer 5
-
$895 AUD
$627 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$895 AUD
$627 USD
View
A
Retailer 7
-
$926 AUD
$649 USD
View
Retailer 8
-
$957 AUD
$671 USD
View
Price last confirmed 41 days ago
B+
Retailer 9
-
$973 AUD
$682 USD
View
B+
Retailer 10
-
$990 AUD
$694 USD
View
B+
Retailer 11
-
$1,013 AUD
$710 USD
View
B+
Retailer 12
-
$1,056 AUD
$740 USD
View
B+
Retailer 13
-
$1,056 AUD
$740 USD
View
B+
Retailer 14
-
$1,094 AUD
$767 USD
View
B+
Retailer 15
-
$1,099 AUD
$770 USD
View
B+
Retailer 16
-
$1,106 AUD
$775 USD
View
B+
Retailer 17
-
$1,113 AUD
£614 GBP
View
B+
Retailer 18
-
$1,157 AUD
$811 USD
View
B+
Retailer 19
-
$1,186 AUD
£654 GBP
View
B+
Retailer 20
-
$1,226 AUD
€818 EUR
View
Retailer 21
-
$1,273 AUD
$892 USD
View
Price last confirmed 7 days ago
Retailer 22
-
$1,378 AUD
View
Price last confirmed 29 days ago
B+
Retailer 23
-
$1,414 AUD
ZAR 16,012 ZAR
View
Retailer 24
-
$2,127 AUD
£1,174 GBP
View
Price last confirmed 12 days ago
B
Retailer 25
-
$2,625 AUD
CA$2,555 CAD
View
Most Expensive
NZ Jewellers
183f5624-a2f2-4915-a51a-cbdbc147926a · Oct 17
$2,874 AUD
$2,014 USD
View
Price last confirmed 16 days ago
25 more retailers have this diamond
Prices start from $638 AUDSave up to $1,987 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
$638 AUD