Book a virtual appointment & find your sparkle
Menu
Help
Account
Your Basket
Purely Diamonds logo
Browse our engagement rings
Browse our wedding rings
Browse our diamond jewellery
Browse our eternity rings
Browse our gemstone rings
Browse our bespoke diamond jewellery service
View our Ready Made items

Purely Diamonds logo
Learn more about our bespoke design service Browse our engagement rings Browse our wedding rings
Solitaire style engagement ring
Solitairerings
Solitaire with shoulders style engagement ring
Solitairewith shoulders
Cluster style engagement ring
Clusterrings
Three stone style engagement ring
Three stonerings
Cluster style engagement ring
Halorings
Mens style engagement ring
Mensrings
Three stone style engagement ring
Diamond& gemstone
For Evermore engagement ring
ForEvermore

Purely Diamonds logo
Browse our engagement rings Browse our wedding rings Browse our diamond jewellery
Ladies diamond-set style wedding ring
Ladiesdiamond-set
Ladies plain band style wedding ring
Ladiesplain bands
Mens diamond-set style wedding ring
Mensdiamond-set
Mens plain bands style wedding ring
Mensplain bands
Wishbone bands style wedding ring
Wishbone bands

Purely Diamonds logo
Browse our diamond jewellery Browse our eternity rings Browse our gemstone rings
Full eternity ring
Full Eternityrings
Three Quarter eternity ring
Three Quartereternity rings
Half eternity ring
Half Eternityrings
Three stone style diamond ring
Diamond & gemstone rings
Wishbone style eternity ring
Wishbone eternity rings

Purely Diamonds logo
Browse our eternity rings Browse our gemstone rings Learn more about our bespoke design service
Emerald gemstone ring
Emerald& diamond
Ruby gemstone ring
Ruby& diamond
Sapphire gemstone ring
Sapphire& diamond
Tanzanite gemstone ring
Tanzanite& diamond
Aqua gemstone ring
Aqua& diamond
Pink Sapphire gemstone ring
Pink Sapphire& diamond
Critrine gemstone ring
Citrine& diamond
Peridot gemstone ring
Peridot & diamond

Purely Diamonds logo
Browse our wedding rings Browse our diamond earrings and pendants Browse our eternity rings
Dress style diamond ring
Dress rings
Diamond stud earring
Diamond stud earrings
Diamond hoop earring
Diamond hoopearrings
Diamond stud earring
Pearl& diamond earrings
Diamond pendants
Diamondpendants
Diamond pendants
Pearl& diamond pendants
Diamond bracelets
Diamondbracelets

Purely Diamonds logo
0207 837 2964
Email Us
Online Chat
Online Form
Visit us or Book Virtual Appointment

We are open Monday to Friday 9am - 6pm
(Phone lines close at 5.30pm on Friday).
Showroom visits by appointment only.

Diamond
education
Metal
education
Ring size
information
Delivery
information
Returns
information
Jewellery
Repairs
Bespoke
design
Try before
you buy
Ring resizing
service

Purely Diamonds logo
Visit our London showroom
Try before you buy service
Ring resizing
Jewellery repair services
Diamond education
Metal education
Ring size information
Order information
Delivery information
Returns information

Purely Diamonds logo

Call Visit whatsapp
Search
  • Login / Sign-up
  • 0
  • 0
Trustpilot

Platinum Amethyst Gemstone Rings

Learn more

Explore our beautiful collection of platinum amethyst gemstone rings and discover how your chosen gemstone is uniquely complemented by the metal and surrounding diamonds. Choosing platinum for your amethyst gemstone rings delivers something exceptional every time.

Filter By Gemstone colour

Filter By Style

Filter By metal

Other options

All our diamonds are naturally mined and ethically sourced
At Purely Diamonds, we believe in the magic of natural diamonds. Formed over billions of years and found naturally in the ground, these precious gems add to the story of your own diamond journey. We also make sure all our diamonds are conflict-free as the ethical mining and sourcing is very important to us.
A stunning amethyst and diamond halo design set in platinum
PDAM768PL
A stunning amethyst and diamond halo design set in platinum
From: £1,174 to £1,231
A beautiful amethyst and diamond cluster in platinum
PDAM747PL
A beautiful amethyst and diamond cluster in platinum
From: £1,289 to £1,306
A beautiful amethyst and diamond double halo in platinum
PDAM777PL
A beautiful amethyst and diamond double halo in platinum
From: £1,407 to £1,431
A beautiful Amethyst & diamond cluster style ring with shoulder stones in platinum
PDAM748PL
A beautiful Amethyst & diamond cluster style ring with shoulder stones in platinum
From: £1,590 to £1,680
A stunning amethyst and diamond halo design set in platinum
PDAM918PL
A stunning amethyst and diamond halo design set in platinum
From: £1,014 to £1,059

Set Ascending Direction

per page

20 Trees Planted With Every Order
We have partnered with Trees For The Future to do our part in looking after our planet and planning for the future. For every order received, we'll ensure there are 20 trees planted with the mission to recreate forests and decrease CO2 in our atmosphere.
Learn More

  • Follow Us


  • Payment Methods

  • We accept Visa, Mastercard and American Express
  • SafeBuy Verification Seal We accept PayPal payments

  • Proud Member Of

  • We are a member of the National Association of Jewellers
  • We are a Goldsmiths Company member
  • Assay Assured

  • Proud Supplier Of

  • We supply certified GIA diamonds We only deal in conflict-free diamonds
  • We supply certified IGI diamonds We are a partner of Trees For The Future

Purely Diamonds is a trading name of Stephen Tyler Limited. Registered Company Number (Incorporated in England): 01840310. VAT Number: 466237727 (GB)