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Round|Natural|GIA

0.50ct K I2 Round Natural Diamond

EX • K/I2 • GIA 6451014648

Certificate GIA 6451014648

Diamond specifications and retailer prices

From £305 GBP
As of November 4, 2026
Save £863 GBP (74%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,168 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 GIA 6451014648. Listed at 6 retailers as of November 4, 2026, with prices from £305 to £1,168, a £863 spread on the same certified stone. NZ Jewellers lists it at £1,168. 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
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6451014648
Dimensions5.05 × 5.07 × 3.18 mm
L/W Ratio1.00
Top View
5.05 mm5.07 mm0.50 ctK / I2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6451014648
Side View
Table 56.0%Crown 36.5°GirdlePavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,168 GBP|Low: £305 GBP|High: £1,168 GBP|Avg: £469 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5£305 GBP
Retailer 3£328 GBP
Retailer 4£328 GBP
Retailer 7£343 GBP
Retailer 6£351 GBP
Retailer 2£487 GBP
NZ Jewellers£1,168 GBP

19 data points across 7 retailers

6 retailers£305 GBP to £1,168 GBP

B+
Cheapest Retailer
-
£305 GBP
Retailer 2
-
£328 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£328 GBP
View
B+
Retailer 4
-
£351 GBP
View
B
Retailer 5
-
£487 GBP
View
Most Expensive
C
NZ Jewellers
348bece4-5995-4a98-9892-155baad39cf3 · Nov 4
£1,168 GBP
$1,572 USD
View
5 more retailers have this diamond
Prices start from £305 GBPSave up to £863 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
£305 GBP