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Round|Natural|GIA

0.53ct K SI2 Round Natural Diamond

ID • K/SI2 • GIA 2404366045

Certificate GIA 2404366045

Diamond specifications and retailer prices

From £445 GBP
As of November 5, 2026
Save £263 GBP (37%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £708 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.53ct natural round diamond

This 0.53ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2404366045. Listed at 5 retailers as of November 5, 2026, with prices from £445 to £708, a £263 spread on the same certified stone. 77 Diamonds lists it at £708. 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
K
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2404366045
Dimensions5.20 × 5.16 × 3.20 mm
L/W Ratio1.01
Top View
5.20 mm5.16 mm0.53 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2404366045
Side View
Table 59.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £708 GBP|Low: £445 GBP|High: £724 GBP|Avg: £539 GBP|+0.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4£445 GBP
Retailer 3£466 GBP
Retailer 2£487 GBP
Retailer 5£580 GBP
77 Diamonds£708 GBP

38 data points across 5 retailers

5 retailers£445 GBP to £708 GBP

B+
Cheapest Retailer
-
£445 GBP
B+
Retailer 2
-
£466 GBP
View
B+
Retailer 3
-
£487 GBP
View
B
Retailer 4
-
£580 GBP
View
Most Expensive
B
77 Diamonds
RBZNNVGNVMP · Nov 6
£708 GBP
View
4 more retailers have this diamond
Prices start from £445 GBPSave up to £263 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.

B+
0.53ct Round
£445 GBP