Round|Natural|GIA

0.52ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 1558750159

Certificate GIA 1558750159

Diamond specifications and retailer prices

From $806 AUD
As of November 5, 2026
Save $2,518 AUD (76%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,603 AUD at NZ Jewellers · As of October 3, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1558750159. Listed at 26 retailers as of November 4, 2026, with a 313% 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1558750159
Dimensions5.14 × 5.10 × 3.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Cloud, Feather
Top View
5.14 mm5.10 mm0.52 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558750159
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.0%

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 5
Current: $3,324 AUD|Low: $806 AUD|High: $3,446 AUD|Avg: $1,353 AUD|-3.5%
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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 13$806 AUD
Retailer 9$823 AUD
Retailer 4$977 AUD
Retailer 7$1,060 AUD
Retailer 5$1,077 AUD
Retailer 8$1,090 AUD
Retailer 6$1,114 AUD
Retailer 2$1,131 AUD
Retailer 3$1,223 AUD
Retailer 15$1,249 AUD
Retailer 10$1,253 AUD
Retailer 12$1,279 AUD
Retailer 17$1,307 AUD
Retailer 11$1,407 AUD
Retailer 14$1,636 AUD
Retailer 16$1,938 AUD
NZ Jewellers$3,324 AUD

19 data points across 17 retailers

26 retailers$806 AUD to $3,324 AUD

A
Cheapest Retailer
-
$806 AUD
A
Retailer 2
-
$823 AUD
View
A
Retailer 3
-
$977 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,060 AUD
View
A
Retailer 5
-
$1,077 AUD
View
Retailer 6
-
$1,090 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$1,114 AUD
View
Retailer 8
-
$1,119 AUD
View
Price last confirmed 57 days ago
A
Retailer 9
-
$1,131 AUD
View
Retailer 10
-
$1,149 AUD
View
Price last confirmed 34 days ago
Retailer 11
-
$1,197 AUD
View
Price last confirmed 38 days ago
A
Retailer 12
-
$1,223 AUD
View
A
Retailer 13
-
$1,249 AUD
View
A
Retailer 14
-
$1,253 AUD
View
A
Retailer 15
-
$1,279 AUD
View
Retailer 16
-
$1,290 AUD
View
Price last confirmed 60 days ago
B+
Retailer 17
-
$1,307 AUD
View
Retailer 18
-
$1,326 AUD
View
Price last confirmed 35 days ago
B+
Retailer 19
-
$1,407 AUD
View
B+
Retailer 20
-
$1,501 AUD
View
B+
Retailer 21
-
$1,636 AUD
View
Retailer 22
-
$1,727 AUD
View
Price last confirmed 33 days ago
B+
Retailer 23
-
$1,938 AUD
View
B
Retailer 24
-
$3,324 AUD
View
Retailer 25
-
$3,506 AUD
View
Price last confirmed 56 days ago
Most Expensive
NZ Jewellers
3fbd7ebd-4888-44e4-9866-db9c0e4519a9 · Oct 3
$3,603 AUD
$2,522 USD
View
Price last confirmed 34 days ago
25 more retailers have this diamond
Prices start from $806 AUDSave up to $2,518 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
$806 AUD