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0.53ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 560236744

Shape and cutting style on the report: Round brilliant

Certificate IGI 560236744

Diamond specifications and retailer prices

From £274 GBP
As of November 6, 2026
Save £692 GBP (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £966 GBP at NZ Jewellers · As of November 4, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 560236744. Listed at 10 retailers as of November 4, 2026, with prices from £274 to £966, a £692 spread on the same certified stone. NZ Jewellers lists it at £966. 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
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 560236744
Dimensions5.17 × 5.20 × 3.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.17 mm5.20 mm0.53 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 560236744
Side View
Table 58.5%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £966 GBP|Low: £267 GBP|High: £966 GBP|Avg: £397 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2£274 GBP
Retailer 3£277 GBP
Retailer 9£287 GBP
Retailer 8£290 GBP
Retailer 10£310 GBP
Retailer 6£330 GBP
Retailer 5£402 GBP
Retailer 4£404 GBP
Retailer 7£491 GBP
NZ Jewellers£966 GBP

35 data points across 10 retailers

10 retailers£274 GBP to £966 GBP

A
Cheapest Retailer
-
£274 GBP
A
Retailer 2
-
£277 GBP
View
A
Retailer 3
-
£287 GBP
View
A
Retailer 4
-
£290 GBP
View
A
Retailer 5
-
£310 GBP
View
A
Retailer 6
-
£330 GBP
View
B+
Retailer 7
-
£402 GBP
View
B+
Retailer 8
-
£404 GBP
View
B+
Retailer 9
-
£491 GBP
View
Most Expensive
C
NZ Jewellers
68d9fb43-b655-48ae-95f1-e920b42fa55a · Nov 4
£966 GBP
$1,300 USD
View
9 more retailers have this diamond
Prices start from £274 GBPSave up to £692 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
£274 GBP