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Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 6315135316

Certificate GIA 6315135316

Diamond specifications and retailer prices

From £238 GBP
As of November 4, 2026
Save £943 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,181 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6315135316. Listed at 15 retailers as of November 4, 2026, with prices from £238 to £1,181, a £943 spread on the same certified stone. NZ Jewellers lists it at £1,181. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6315135316
Dimensions4.96 × 4.90 × 3.19 mm
L/W Ratio1.01
Top View
4.96 mm4.90 mm0.50 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6315135316
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NoneDepth 64.6%

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 4
Current: £1,181 GBP|Low: £231 GBP|High: £1,181 GBP|Avg: £375 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 16£238 GBP
Retailer 8£256 GBP
Retailer 7£267 GBP
Retailer 6£275 GBP
Retailer 15£308 GBP
Retailer 9£322 GBP
Retailer 2£325 GBP
Retailer 3£332 GBP
Retailer 14£332 GBP
Retailer 13£356 GBP
Retailer 10£376 GBP
Retailer 5£405 GBP
Retailer 4£426 GBP
Retailer 11£492 GBP
Retailer 12£711 GBP
NZ Jewellers£1,181 GBP

32 data points across 16 retailers

15 retailers£238 GBP to £1,181 GBP

A
Cheapest Retailer
-
£238 GBP
B+
Retailer 2
-
£256 GBP
View
B+
Retailer 3
-
£275 GBP
View
B+
Retailer 4
-
£308 GBP
View
B+
Retailer 5
-
£322 GBP
View
B+
Retailer 6
-
£325 GBP
View
B+
Retailer 7
-
£332 GBP
View
Retailer 8
-
£332 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£356 GBP
View
B+
Retailer 10
-
£376 GBP
View
B+
Retailer 11
-
£405 GBP
View
B+
Retailer 12
-
£426 GBP
View
B
Retailer 13
-
£492 GBP
View
B
Retailer 14
-
£711 GBP
View
Most Expensive
C
NZ Jewellers
134f384b-d80e-4dbc-9d1d-fa7ddd7c5a28 · Nov 4
£1,181 GBP
$1,590 USD
View
14 more retailers have this diamond
Prices start from £238 GBPSave up to £943 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
0.50ct Round
£238 GBP