Round|Natural|GIA

0.50ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6542908337

Certificate GIA 6542908337

Diamond specifications and retailer prices

From £201 GBP
As of November 6, 2026
Save £437 GBP (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £639 GBP at MOH London · As of November 4, 2026
View at MOH London

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 top-tier cut grade and certified by GIA 6542908337. Listed at 8 retailers as of November 4, 2026, with prices from £201 to £639, a £437 spread on the same certified stone. MOH London lists it at £639. 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

0.50
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6542908337
Dimensions5.07 × 5.11 × 3.14 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
5.07 mm5.11 mm0.50 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542908337
Side View
Table 59.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £639 GBP|Low: £201 GBP|High: £644 GBP|Avg: £364 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2£201 GBP
Retailer 8£276 GBP
Retailer 3£292 GBP
Retailer 9£296 GBP
Retailer 5£355 GBP
Retailer 6£374 GBP
Retailer 7£394 GBP
Retailer 4£455 GBP
MOH London£639 GBP

18 data points across 9 retailers

8 retailers£201 GBP to £639 GBP

A
Cheapest Retailer
-
£201 GBP
Retailer 2
-
£276 GBP
View
Price last confirmed 38 days ago
A
Retailer 3
-
£292 GBP
View
A
Retailer 4
-
£355 GBP
View
B+
Retailer 5
-
£374 GBP
View
B+
Retailer 6
-
£394 GBP
View
B+
Retailer 7
-
£455 GBP
View
Most Expensive
B
MOH London
A05AC4628 · Nov 4
£639 GBP
View
7 more retailers have this diamond
Prices start from £201 GBPSave up to £437 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
£201 GBP