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Round|Natural|IGI

0.53ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 464111700

Shape and cutting style on the report: Round brilliant

Certificate IGI 464111700

Diamond specifications and retailer prices

From £377 GBP
As of November 5, 2026
Save £276 GBP (42%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £654 GBP at MOH London · As of November 4, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 464111700. Listed at 6 retailers as of November 4, 2026, with prices from £377 to £654, a £276 spread on the same certified stone. MOH London lists it at £654. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle35.2°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 464111700
Dimensions5.16 × 5.22 × 3.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
5.16 mm5.22 mm0.53 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 464111700
Side View
Table 57.5%Crown 35.2°Girdle: THN-STKPavilion 41.1°Culet: NoneDepth 61.8%

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: £654 GBP|Low: £305 GBP|High: £662 GBP|Avg: £445 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 5£305 GBP
Retailer 3£377 GBP
Retailer 6£380 GBP
Retailer 4£439 GBP
Retailer 2£513 GBP
MOH London£654 GBP

34 data points across 6 retailers

6 retailers£377 GBP to £654 GBP

Retailer 1
-
£305 GBP
Price last confirmed 8 days ago
B+
Retailer 2
-
£377 GBP
View
B+
Retailer 3
-
£380 GBP
View
B+
Retailer 4
-
£439 GBP
View
B+
Retailer 5
-
£513 GBP
View
Most Expensive
B
MOH London
A7438B640 · Nov 4
£654 GBP
View
5 more retailers have this diamond
Prices start from £377 GBPSave up to £276 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
£377 GBP