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Round|Natural|GIA

0.53ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2566648455

Certificate GIA 2566648455

Diamond specifications and retailer prices

From $553 AUD
As of November 6, 2026
Save $1,875 AUD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,427 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 0.53ct natural round diamond

This 0.53ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566648455. Listed at 11 retailers as of November 2, 2026, with prices from $553 to $2,427, a $1,875 spread on the same certified stone. MOH London lists it at $2,427. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566648455
Dimensions5.17 × 5.20 × 3.26 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.17 mm5.20 mm0.53 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566648455
Side View
Table 55.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.9%

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 6
Current: $2,427 AUD|Low: $544 AUD|High: $2,427 AUD|Avg: $1,095 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2$553 AUD
Retailer 6$693 AUD
Retailer 10$751 AUD
Retailer 5$1,016 AUD
Retailer 11$1,183 AUD
Retailer 4$1,216 AUD
Retailer 3$1,223 AUD
Retailer 7$1,377 AUD
Retailer 9$1,494 AUD
Retailer 8$1,583 AUD
MOH London$2,427 AUD

17 data points across 11 retailers

11 retailers$553 AUD to $2,427 AUD

A
Cheapest Retailer
-
$553 AUD
A
Retailer 2
-
$693 AUD
View
A
Retailer 3
-
$751 AUD
View
B+
Retailer 4
-
$1,016 AUD
View
B+
Retailer 5
-
$1,183 AUD
View
B+
Retailer 6
-
$1,216 AUD
View
B+
Retailer 7
-
$1,223 AUD
View
Final sale: no returns
B+
Retailer 8
-
$1,377 AUD
View
B
Retailer 9
-
$1,494 AUD
View
B
Retailer 10
-
$1,583 AUD
View
Most Expensive
B
MOH London
6D8C92663 · Nov 2
$2,427 AUD
£1,338 GBP
View
10 more retailers have this diamond
Prices start from $553 AUDSave up to $1,875 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
$553 AUD