Platinum Brilliant Round Channel Set 3mm Diamond Ring 0.40ct
Platinum Brilliant Round Channel Set 3mm Diamond Ring 0.40ct
Platinum Brilliant Round Channel Set 3mm Diamond Ring 0.40ct
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Jack Murphy Jewellers

Platinum Brilliant Round Channel Set 3mm Diamond Ring 0.40ct

Each ring is a bespoke made piece, please enquire for an up-to-date price.

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Established 1972

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This channel set diamond ring has brilliant round cut diamonds adding up to 0.40ct in a channel setting. The diamonds have a  50% spread across the ring and is set in a 3mm hallmarked 950 platinum band.

Metal: Platinum

Diamond Weight: 0.40ct

Finger Sizes AvailableH to Z (Including 1/2 sizes) from Jack Murphy Jewellers. 

Style: Channel Set 50% Spread

Ring Shank: 3mm

Metals, diamond weights and finger sizes can be suited to your needs - Enquire with your chosen metal for more information.


Available to order in different metal's, styles and carat weights. (Delivery can take up to 6-8 weeks).

Any prices shown are given as a guide and exact prices are available when requested.

For any further questions on this product, you can contact our sales team directly through the form below, via phone or email, and are welcome to visit our showroom.

Haven’t found what you’re searching for? Jack Murphy Jewellers expert team can work with you to create a bespoke piece of jewellery. To discuss further, please enquire through our contact page here.



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Ring finger sizes
USA, Canada Ire, Uk, Aus Inside Diameter (mm) Circumference
3 F 14.1 44.2
3.5 G 14.5 45.4
4 H 14.5 45.4
4.5 I 14.9 46.7
5 J 15.7 48
5.5 K 16.1 50.6
6 L 16.5 51.9
6.5 M 16.9 53.2
7 N 17.3 54.5
7.5 O 17.7 55.8
8 P 18.2 57.2
8.5 Q 18.5 58.2
9 R 18.9 59.3
9.5 S 19.4 61
10 T 19.8 62.3
10.5 U 20.2 63.5
11 V 20.7 65
11.5 W 21.1 66.2
12 X 21.5 67.5
12.5 Y 21.9 68.8
13 Z 22.3 70.2
14 Z+2 22.7 71.3