Platinum 950 0.36ct Blue Sapphire Half Eternity Ring

£1,820.00

Deep blue sapphires and brilliant diamonds bring a striking harmony of colour and light to this half eternity band. Chosen to mark a cherished milestone, it sits gracefully alongside other rings or shines entirely on its own.

Carat weight:

Metal:

18ct White Gold Platinum 950 18ct Yellow Gold

Size:

Ring Size Guide

Getting the size right matters — especially for a ring you'll wear every day. Here are three ways to find yours. When in doubt, come and see us; sizing in person is always the most accurate.

Measure a ring you own
Take a ring that already fits the right finger and measure the inside diameter in millimetres. Match it to the chart below.
Use string or paper
Wrap a strip of paper or string around the base of your finger, mark where it overlaps, and measure the length in millimetres against the circumference column.
Come in and be sized
The most accurate option. Pop into the shop in Ashford and we will size you properly on a professional ring stick — no appointment needed.

UK ring size chart

UK size	Diameter (mm)	Circumference (mm)
F	14.5	45.5
G	14.9	46.8
H	15.3	48.0
I	15.7	49.3
J	16.1	50.6
K	16.5	51.9
L	16.9	53.1
M	17.3	54.4
N	17.7	55.7
O	18.1	57.0
P	18.5	58.3
Q	19.0	59.5
R	19.4	60.8
S	19.8	62.1
T	20.2	63.4
U	20.6	64.6
V	21.0	65.9
W	21.4	67.2
X	21.8	68.5
Y	22.2	69.7
Z	22.6	71.0

Fingers swell slightly in heat and at the end of the day — measure when you're warm and relaxed for the truest fit. Our wedding bands can be made in half sizes too; just ask.

Variant

In Stock · Ready to DispatchDispatched within 3–5 working days

Gemstone: Blue Sapphire
Carat Weight: 0.36ct
Shape: Round Brilliant

Metal: 18ct White Gold
Size: M

Style: Eternity
Coverage: Half Eternity
Setting: Channel Set
Cut: Round Brilliant

Side Diamonds: 0.27ct
Side Diamond Cut: Round Brilliant
Total Diamond Weight: 0.27ct

SKU: HET1310 BSAD

Platinum 950 0.36ct Blue Sapphire Half Eternity Ring

£1,820.00

Our personal service

Can’t find it?
Create it.

Whether you’re starting with an idea, a treasured stone or a piece of jewellery filled with memories, we’ll help you create something that feels completely yours.

From one-of-a-kind designs to reimagining jewellery you already own, your story is at the heart of every bespoke piece we create.

Discover bespoke

Rings, a wax model and a jeweller at the bench in the Anupam workshop

Our personal service

Made here.
Made with you.

Our workshop has been at the heart of Anupam for generations, bringing traditional craftsmanship and personal service together under one roof.

From repairs and resizing to remodelling, restoration and the creation of new pieces, your jewellery is cared for by experienced hands, right here with us.

Discover workshop

Over 30 years in business

Choosing your jeweller is a life long relationship

Family run business

Customer satisfaction is at the heart of everything we do

In store appointments

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On site workshop

Discover the craftsmanship of our on-site jewellery workshop

Platinum 950 0.36ct Blue Sapphire Half Eternity Ring

UK ring size chart