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Round|Natural|GIA

0.53ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2566110051

Certificate GIA 2566110051

Diamond specifications and retailer prices

From $816 AUD
As of November 5, 2026
Save $2,608 AUD (76%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,604 AUD at NZ Jewellers · As of September 8, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566110051. Listed at 21 retailers as of November 4, 2026, with a 320% 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566110051
Dimensions5.17 × 5.19 × 3.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.17 mm5.19 mm0.53 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566110051
Side View
Table 56.0%Crown 35.5°Girdle: MED-MEDPavilion 41°Culet: NoneDepth 62.5%

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: $3,424 AUD|Low: $816 AUD|High: $3,521 AUD|Avg: $1,413 AUD|-2.8%
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 12$816 AUD
Retailer 8$823 AUD
Retailer 7$1,009 AUD
Retailer 14$1,051 AUD
Retailer 9$1,054 AUD
Retailer 13$1,083 AUD
Retailer 4$1,091 AUD
Retailer 15$1,099 AUD
Retailer 17$1,134 AUD
Retailer 5$1,260 AUD
Retailer 2$1,304 AUD
Retailer 11$1,314 AUD
Retailer 10$1,424 AUD
Retailer 6$1,494 AUD
Retailer 16$1,543 AUD
Retailer 3$2,000 AUD
NZ Jewellers$3,424 AUD

22 data points across 17 retailers

21 retailers$816 AUD to $3,424 AUD

A
Cheapest Retailer
-
$816 AUD
A
Retailer 2
-
$823 AUD
View
A
Retailer 3
-
$1,009 AUD
View
Final sale: no returns
A
Retailer 4
-
$1,051 AUD
View
Retailer 5
-
$1,054 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$1,083 AUD
View
A
Retailer 7
-
$1,091 AUD
View
A
Retailer 8
-
$1,099 AUD
View
A
Retailer 9
-
$1,134 AUD
View
Retailer 10
-
$1,150 AUD
View
Price last confirmed 62 days ago
A
Retailer 11
-
$1,260 AUD
View
A
Retailer 12
-
$1,304 AUD
View
B+
Retailer 13
-
$1,314 AUD
View
Retailer 14
-
$1,326 AUD
View
Price last confirmed 60 days ago
B+
Retailer 15
-
$1,424 AUD
View
B+
Retailer 16
-
$1,494 AUD
View
B+
Retailer 17
-
$1,543 AUD
View
B+
Retailer 18
-
$1,548 AUD
View
B+
Retailer 19
-
$2,000 AUD
View
B
Retailer 20
-
$3,424 AUD
View
Most Expensive
NZ Jewellers
7e1b00bf-6a9c-4c74-871a-5e812ffcab5d · Sep 8
$3,604 AUD
$2,523 USD
View
Price last confirmed 58 days ago
20 more retailers have this diamond
Prices start from $816 AUDSave up to $2,608 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
$816 AUD