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Round|Natural|IGI

0.50ct K I2 Round Natural Diamond

EX • K/I2 • IGI 510177109

Shape and cutting style on the report: Round brilliant

Certificate IGI 510177109

Diamond specifications and retailer prices

From £269 GBP
As of November 4, 2026
Save £763 GBP (74%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,032 GBP at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct 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 510177109. Listed at 7 retailers as of November 4, 2026, with prices from £269 to £1,032, a £763 spread on the same certified stone. NZ Jewellers lists it at £1,032. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.50
Carat
K
Colour
I2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 510177109
Dimensions5.01 × 5.03 × 3.17 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
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Top View
5.01 mm5.03 mm0.50 ctK / I2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI 510177109
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.1%

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 4
Current: £435 GBP|Low: £289 GBP|High: £441 GBP|Avg: £363 GBP|+1.7%
Retailer 1
Retailer 2
November 5, 2026
Retailer 2£291 GBP
Retailer 1£435 GBP

17 data points across 2 retailers

7 retailers£269 GBP to £1,032 GBP

B+
Cheapest Retailer
-
£269 GBP
Retailer 2
-
£290 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£300 GBP
View
B
Retailer 4
-
£363 GBP
View
B
Retailer 5
-
£368 GBP
View
B
Retailer 6
-
£435 GBP
View
Most Expensive
C
NZ Jewellers
92892584-0302-4963-948b-70eb54a38944 · Nov 4
£1,032 GBP
$1,389 USD
View
6 more retailers have this diamond
Prices start from £269 GBPSave up to £763 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+
0.50ct Round
£269 GBP