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Round|Natural|IGI

0.52ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 578335651

Shape and cutting style on the report: Round brilliant

Certificate IGI 578335651

Diamond specifications and retailer prices

From £276 GBP
As of November 6, 2026
Save £695 GBP (72%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £971 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.52ct natural round diamond

This 0.52ct 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 578335651. Listed at 12 retailers as of November 4, 2026, with prices from £276 to £971, a £695 spread on the same certified stone. NZ Jewellers lists it at £971. 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

0.52
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.1°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 578335651
Dimensions5.13 × 5.18 × 3.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
5.13 mm5.18 mm0.52 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 578335651
Side View
Table 57.0%Crown 35.1°GirdlePavilion 41.1°Culet: NoneDepth 62.5%

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: £971 GBP|Low: £269 GBP|High: £971 GBP|Avg: £389 GBP
NZ Jewellers
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£276 GBP
Retailer 7£279 GBP
Retailer 3£288 GBP
Retailer 10£290 GBP
Retailer 5£297 GBP
Retailer 11£311 GBP
Retailer 8£332 GBP
Retailer 6£389 GBP
Retailer 4£406 GBP
Retailer 9£494 GBP
NZ Jewellers£971 GBP

35 data points across 11 retailers

12 retailers£276 GBP to £971 GBP

A
Cheapest Retailer
-
£276 GBP
A
Retailer 2
-
£279 GBP
View
A
Retailer 3
-
£288 GBP
View
A
Retailer 4
-
£290 GBP
View
B+
Retailer 5
-
£297 GBP
View
B+
Retailer 6
-
£311 GBP
View
A
Retailer 7
-
£332 GBP
View
B+
Retailer 8
-
£389 GBP
View
B+
Retailer 9
-
£406 GBP
View
B+
Retailer 10
-
£435 GBP
View
B+
Retailer 11
-
£494 GBP
View
Most Expensive
C
NZ Jewellers
1d8f46cf-dd71-464d-8113-816e7a7612b8 · Nov 4
£971 GBP
$1,307 USD
View
11 more retailers have this diamond
Prices start from £276 GBPSave up to £695 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
0.52ct Round
£276 GBP