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Round|Natural|IGI

0.53ct K I2 Round Natural Diamond

EX • K/I2 • IGI 510166177

Shape and cutting style on the report: Round brilliant

Certificate IGI 510166177

Diamond specifications and retailer prices

From £311 GBP
As of November 5, 2026
Save £879 GBP (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,190 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 I2 clarity (included), with a top-tier cut grade and certified by IGI 510166177. Listed at 7 retailers as of November 4, 2026, with prices from £311 to £1,190, a £879 spread on the same certified stone. NZ Jewellers lists it at £1,190. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.53
Carat
K
Colour
I2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 510166177
Dimensions5.11 × 5.16 × 3.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
5.11 mm5.16 mm0.53 ctK / I2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 510166177
Side View
Table 58.5%Crown 36.2°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.0%

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: £495 GBP|Low: £337 GBP|High: £502 GBP|Avg: £417 GBP|+1.7%
Retailer 1
Retailer 2
November 5, 2026
Retailer 2£340 GBP
Retailer 1£495 GBP

17 data points across 2 retailers

7 retailers£311 GBP to £1,190 GBP

B+
Cheapest Retailer
-
£311 GBP
Retailer 2
-
£334 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£334 GBP
View
B+
Retailer 4
-
£358 GBP
View
B
Retailer 5
-
£429 GBP
View
B
Retailer 6
-
£495 GBP
View
Most Expensive
C
NZ Jewellers
9bedbd98-065a-4e9c-a24d-a9d03813f856 · Nov 4
£1,190 GBP
$1,601 USD
View
6 more retailers have this diamond
Prices start from £311 GBPSave up to £879 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
£311 GBP