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0.53ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2566648455

Certificate GIA 2566648455

Diamond specifications and retailer prices

From £288 GBP
As of November 6, 2026
Save £975 GBP (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,263 GBP 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 £288 to £1,263, a £975 spread on the same certified stone. MOH London lists it at £1,263. 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: £1,263 GBP|Low: £283 GBP|High: £1,263 GBP|Avg: £570 GBP
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£288 GBP
Retailer 6£360 GBP
Retailer 10£391 GBP
Retailer 5£528 GBP
Retailer 11£615 GBP
Retailer 4£632 GBP
Retailer 3£636 GBP
Retailer 7£716 GBP
Retailer 9£777 GBP
Retailer 8£823 GBP
MOH London£1,263 GBP

17 data points across 11 retailers

11 retailers£288 GBP to £1,263 GBP

A
Cheapest Retailer
-
£288 GBP
A
Retailer 2
-
£360 GBP
View
A
Retailer 3
-
£391 GBP
View
B+
Retailer 4
-
£528 GBP
View
B+
Retailer 5
-
£615 GBP
View
B+
Retailer 6
-
£632 GBP
View
B+
Retailer 7
-
£636 GBP
View
Final sale: no returns
B+
Retailer 8
-
£716 GBP
View
B
Retailer 9
-
£777 GBP
View
B
Retailer 10
-
£823 GBP
View
Most Expensive
B
MOH London
6D8C92663 · Nov 2
£1,263 GBP
View
10 more retailers have this diamond
Prices start from £288 GBPSave up to £975 GBP

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
£288 GBP