Octagon Cut Jewellery

Striking and modern, octagon cut jewellery features geometric precision and bold style, making each piece a standout statement.

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NEXT DAY DELIVERY
Astra 1.50ct Lab Emerald and Diamond Halo Shoulder Set Octagon Cut Ring in Silver
£239£329
Ruby Emerald Sapphire
NEXT DAY DELIVERY
Astra 1.50ct Lab Emerald and Diamond Halo Shoulder Set Octagon Cut Ring in 18K Gold Vermeil
£239£329
Emerald Ruby Sapphire
NEXT DAY DELIVERY
Astra 1.90ct Lab Sapphire Halo Shoulder Set Octagon Cut Ring in Silver
£239£329
Ruby Emerald Sapphire
NEXT DAY DELIVERY
Astra 1.90ct Lab Ruby and Diamond Halo Shoulder Set Octagon Cut Ring in 18K Gold Vermeil
£239£329
Emerald Ruby Sapphire
NEXT DAY DELIVERY
Astra 1.50ct Lab Emerald and Diamond Halo Octagon Cut Necklace in Silver
£239£325
Ruby Sapphire Emerald
NEXT DAY DELIVERY
Astra 1.90ct Lab Ruby and Diamond Halo Shoulder Set Octagon Cut Ring in Silver
£239£329
Ruby Emerald Sapphire
NEXT DAY DELIVERY
Astra 1.90ct Lab Sapphire Halo Shoulder Set Octagon Cut Ring in 18K Gold Vermeil
£239£329
Emerald Ruby Sapphire
NEXT DAY DELIVERY
Astra 1.50ct Lab Emerald and Diamond Halo Octagon Cut Necklace in 18K Gold Vermeil
£249£345
Emerald Ruby Sapphire
NEXT DAY DELIVERY
Astra 2.00ct Lab Sapphire and Diamond Halo Octagon Cut Necklace in Silver
£239£325
Ruby Sapphire Emerald
NEXT DAY DELIVERY
Astra 3.00ct Lab Emerald and Diamond Drop Halo Octagon Cut Earrings in Silver
£349£499
Ruby Sapphire Emerald
NEXT DAY DELIVERY
Astra 3.00ct Lab Emerald and Diamond Drop Halo Octagon Cut Earrings in 18K Gold Vermeil
£349£509
Emerald Ruby Sapphire
NEXT DAY DELIVERY
Sale
Emerald 1.00ct And Diamond 0.50ct 18K White Gold Ring
£2,035£3,839
From £68/mo
Emerald
NEXT DAY DELIVERY
Astra 4.00ct Lab Sapphire and Diamond Drop Halo Octagon Cut Earrings in Silver
£349£499
Ruby Sapphire Emerald
NEXT DAY DELIVERY
Astra 2.00ct Lab Sapphire and Diamond Halo Octagon Cut Necklace in 18K Gold Vermeil
£249£345
Emerald Ruby Sapphire
NEXT DAY DELIVERY
Astra 4.00ct Lab Sapphire and Diamond Drop Halo Octagon Cut Earrings in 18K Gold Vermeil
£349£509
Emerald Ruby Sapphire
NEXT DAY DELIVERY
Sale
Emerald 1.00ct And Diamond 0.50ct 18K Gold Ring
£2,035£3,839
From £68/mo
Emerald
NEXT DAY DELIVERY
Astra 1.80ct Lab Ruby and Diamond Halo Octagon Cut Necklace in 18K Gold Vermeil
£249£345
Emerald Ruby Sapphire
Astra 3.50ct Lab Ruby and Diamond Drop Halo Octagon Cut Earrings in 18K Gold Vermeil
£349£509
Emerald Ruby Sapphire
NEXT DAY DELIVERY
Astra 1.80ct Lab Ruby and Diamond Halo Octagon Cut Necklace in Silver
£239£325
Ruby Sapphire Emerald
NEXT DAY DELIVERY
Sale
Sapphire 1.15ct And Diamond 0.50ct 18K White Gold Ring
£1,415£2,659
From £47/mo
Sapphire
NEXT DAY DELIVERY
Astra 3.50ct Lab Ruby and Diamond Drop Halo Octagon Cut Earrings in Silver
£349£499
Ruby Sapphire Emerald
NEXT DAY DELIVERY
Sale
Ruby 1.10ct And Diamond 0.50ct 18K Gold Ring
£2,019£3,815
From £67/mo
Ruby
Sale
Tanzanite 7 x 5mm And Diamond 0.50ct 18K Gold Ring FET24-V
£1,295£2,429
From £43/mo
Tanzanite
NEXT DAY DELIVERY
1.00ct Octagon Cut Emerald and Lab Diamond Halo Ring in 9K Yellow Gold
£1,269£2,005
From £42/mo
Emerald Ruby Sapphire
Group 10

Free worldwide delivery
Group 18

30-day returns
60-day exchanges
Group 24

5 year warranty
card giftcard

Personalised Gift Cards
Group 35869

Luxurious packaging
Vector 1c5315e8 3cb3 4810 ada9 30aa1103b451

Conscious & Sustainable
Astra 1.50ct Lab Emerald and Diamond Halo Shoulder Set Octagon Cut Ring in Silver

Octagon Cut Diamond and Gemstone Jewellery

Octagon cut jewellery brings clean structure and measured light to pieces chosen for meaningful gifts, anniversaries, and personal milestones. Its defined angles and balanced shape give diamonds and gemstones a distinctive architectural character, offering a refined alternative within classic jewellery design.

Our diamonds are conflict-free and ethically sourced, with natural diamonds sourced in line with the UN-backed Kimberley Process. Each piece is designed and handcrafted in Britain using recycled precious metals, and gemstones are sourced with the same care for provenance and craftsmanship.

Explore octagon cut rings, earrings, and necklaces in precious metals such as platinum, white gold, yellow gold, and rose gold. Solitaire settings, halo designs, trilogy styles, and diamond accents allow the cut’s symmetry and depth to take focus. Choose the piece that gives form and light to the meaning behind the moment.