Book an Appointment

Engagement Rings
- All Engagement Rings
- Create your own
  Start with a diamond setting Start with a gemstone setting Start with a diamond Start with a coloured diamond Start with a gemstone
- Shop by shape
  Round Oval Emerald Pear Radiant Cushion Princess Marquise Heart Asscher
- Shop by style
  Solitaire Diamond Band Halo Vintage Trilogy
- Shop By Metal
  White Gold Yellow Gold Rose Gold Platinum
- New Arrivals
- Bespoke Design
- Mengagement Rings
- Lab Grown Engagement Rings
- Need It Sooner?Shop our Ready To Wear items for a faster delivery
Wedding Rings
- All Wedding Rings
- Shop by style
  Classic Men's Wedding Rings Women's Wedding Rings
- Shop By Metal
  White Gold Yellow Gold Rose Gold Platinum Palladium
- New Arrivals
- Bespoke Design
Eternity Rings
- All Eternity Rings
- Shop by style
  Claw Set Channel Set Designer Set
- Shop By Metal
  White Gold Yellow Gold Rose Gold Platinum
- Bespoke Design
- Need It Sooner?Shop our Ready To Wear items for a faster delivery
Jewellery
- Jewellery
- Create your own
  Create your own earrings Create your own pendant
- Earrings Diamond Stud Earrings Diamond Hoop Earrings Diamond Drop Earrings
- Necklaces Diamond Pendants Diamond Necklaces
- Cocktail Rings
- Bracelets
- Collections
  Toi Et Moi NEW Starlight Pearl Kaleida Mayfair Gaia Confetti Olympia Tea Primrose
- Bespoke Design
- Need It Soon?
  Diamond Earrings Diamond Necklaces Diamond Bracelets
Diamonds
Gemstones
- Shop by shape
  Round Oval Pear Cushion Marquise Heart Rectangle Square Other
- Create your own
  Sapphire Ring Ruby Ring Emerald Ring Gemstone necklace
- Gemstones Sapphire Ruby Emerald
Bespoke
Education
- Diamonds
  The 7Cs Diamond Guide Lab-grown Diamond Guide Cupid's Ideal Cut Lab-Grown Cupid's Ideal
- Gemstones
  Coloured Gemstone Guide Sapphire Guide Ruby Guide Emerald Guide Pearl Guide
- Jewellery
  Ring Size Guide Engagement Ring Guide
- Responsibility
- The Notebook
Contact Us

Free & insured delivery from within the UK

Learn More

home
Diamond Collections
Gaia Collection

Move mouse left and right to control 360° viewSwipe left and right to control 360° view

Cassia Eternity Ring

Name: Gaia Collection
Brand: 77 Diamonds
Price: 897.1924 GBP
Availability: InStock
Rating: 5 (4 reviews)

(4)

Castle set for added brilliance, discover the finesse of Cassia. This design combines spectacular brilliance with a contemporary feel through two diamond-set bands that neatly overlap.

Metal: White Gold (9k)

18k

£ 996.88 £ 747.66 Price excludes VAT

Rates based on shipping destination or collection point.

United Kingdom: 20%

Setting price£ 747.66

VAT£ 149.53

Total£ 897.19

30 Day Returns

All natural diamonds in our catalogue are certified conflict free and comply with the Kimberley Process Certification Scheme (KPCS). This ensures diamonds are sourced responsibly and do not fund armed conflict. Each centre diamond is independently graded by leading laboratories such as GIA. Learn more in our Responsible Sourcing Policy.

Perfecting the art of storytelling — one piece at a time. See your ideas come to life at the hands of 77's master jewellers.

All postage is free of charge — we’ll send your item risk-free & fully insured through Royal Mail special delivery, straight to your front door. We insure all our orders to avoid any issues with delivery. For certain high-value items, we use a specialist shipping service such as Malca-Amit or Brinks. Should you not be entirely happy with your purchase, you can return or exchange it in under 30 days.

We take extra care in making your jewellery as perfect as can be. Receive your handcrafted item in our signature yellow box, beautifully wrapped and ready for your moment.

You have chosen the Cassia Eternity Ring in White Gold with a total carat weight of approx. 0.25ct.

Product Information:

Setting: Claw Set
Metal: White Gold (9k)
Band width: 3.50 mm
Setting style: Castle

Accent stones:

Type: Natural Diamond
Total weight: approx. 0.25ct
Setting: Castle
Colour: G
Clarity: VS

Sent With Love

We take care in making your jewellery as perfect as can be. Receive your handcrafted piece in our signature yellow box, all neatly wrapped and ready for your moment.

Win a diamond bracelet worth £ 450*

To celebrate a season of love, we're offering you the chance to win our delicate Tea Bracelet. Set with a sparkling diamond, this piece is the perfect gift for yourself or someone special. Sign up now for your chance to win.

*By entering your details, you consent to receive emails from 77 Diamonds. You are free to unsubscribe at any time. For further information, please read our privacy policy and terms and conditions. No cash alternative. This prize draw closes at 23:59 (GMT) on 31/12/2025

Let’s Keep In Touch

Customer Care
ABOUT US
legal & privacy