December's exquisite birthstone is tanzanite. With shimmering colour that changes with the light from purple to violet-blue, it's a breath-taking and rare gift.
Showing 75 products
Item Ref: FT87-VBY.F.0
AVAILABILITY: In stock (0 items)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
Your loved one will be dazzled when they see this elegant tanzanite and diamond eternity ring. Set in sumptuous 18K white gold, high quality diamonds encircle five tanzanite stones shimmering in exquisite blue-violet hues. A truly beautiful and luxurious gift.
From £31.93 per month
Item Ref: N4304
AVAILABILITY: In stock (0 items)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
A dazzling Diamond Ring in 18K White Gold. Claw setting. 0.09CT of Premium Quality diamonds. Free UK delivery and a 5 year guarantee.
Pay in 3 interest-free
Item Ref: A4311.F.0
AVAILABILITY: In stock (0 items)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
A magnificent Tanzanite Ring in 9K Yellow Gold. Claw setting. 0.08CT of Premium Quality diamonds. Free UK delivery and a 5 year guarantee
From £20.15 per month
Item Ref: FET23-V
AVAILABILITY: In stock (0 items)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
This elegant ring highlights the beautiful blue hues of tanzanite to a tee. The 18K yellow gold band balances the glistening white diamonds perfectly and the two H/SI Quality Diamonds weigh an impressive 0.50CT. These dazzling stones provide the ideal...
From £101.91 per month
Item Ref: FT04-V
AVAILABILITY: In stock (0 items)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
This ravishing pear tanzanite ring with its diamond halo and shoulders exudes elegant modern glamour. With a 1.10CT rare tanzanite that shimmers in hues of blue and violet, the piece is set in the finest 18K gold. Its exceptional beauty...
From £45.39 per month
Item Ref: FT91-VY.F.0
AVAILABILITY: Out of Stock
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
A truly luxurious, beautiful statement ring, this elegant cushion cut tanzanite gemstone is surrounded by lavish diamonds in pristine 18K white gold. Tanzanite is the world's rarest gem, mined in the foothills of Mount Kilimanjaro. It's spectacular blue-violet shimmer makes...
From £63.42 per month
Item Ref: FET24-V.F.0
AVAILABILITY: In stock (0 items)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
The blazing blue shade of tanzanite means it's one of the most sought-after gemstones in the world. This beautiful tanzanite ring would make a stunning gift for a loved one as the brilliant blue shades of tanzanite are shown off...
From £43.57 per month
Item Ref: FT26-VFY.F.0
AVAILABILITY: In stock (0 items)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
In this luxurious ring, we've used the finest grade quality tanzanite, H/Si diamonds and 18K gold to create a truly substantial piece of jewellery. You can be confident that she'll love it, whether you're gifting this ring for a special...
From £36.98 per month
Item Ref: FR56-VBY
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Necklaces
VENDOR: The Diamond Store
This rare tanzanite gemstone comes from the foothills of Mount Kilimanjaro in Africa and its breathtaking blue-violet shimmer is gloriously displayed in beautiful diamond halo setting. A luxurious gift, it's sure to be cherished by its lucky recipient.
From £47.07 per month
Item Ref: FET30-V.J.0
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
A dazzling Diamond Ring in 18K Yellow Gold. Claw setting. 0.08CT of Premium Quality diamonds. Free UK delivery and a 5 year guarantee.
From £13.29 per month
Item Ref: FET29-VY.L.0
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
A brilliant Diamond Ring in 18K White Gold. Claw setting. 0.05CT of Premium Quality diamonds. Free UK delivery and a 5 year guarantee.
From £12.62 per month
Item Ref: FET37-VY.J.0
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
This tanzanite ring is a true show-stopper with 0.06CT of Premium Quality Diamonds which nestle the AA-PLUS 6x4mm brilliantly blue tanzanite gemstone. To complement the dazzle of the stunning tanzanite and diamonds, this remarkable ring is finished with an 18K...
From £16.79 per month
Item Ref: FET37-V.T.0
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
The exquisite tanzanite on this 18K gold ring is the perfect gift for anyone who appreciates rare gemstone jewellery. We've chosen a timeless rectangular 'emerald cut' for the centre gem to lend a truly elegant feel, and enhanced the sparkle...
From £16.79 per month
Item Ref: FET33-V.Q.0
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
A magnificent Diamond Ring in 18K Yellow Gold. Claw setting. 0.18CT of Premium Quality diamonds. Free UK delivery and a 5 year guarantee.
From £17.33 per month
Item Ref: FET20-VY.J.0
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
An alluring Diamond Ring in 18K White Gold. Claw setting. 0.08CT of Premium Quality diamonds. Free UK delivery and a 5 year guarantee.
From £14.43 per month
Item Ref: FET20-V.T.0
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
A spectacular Diamond Ring in 18K Yellow Gold. Claw setting. 0.08CT of Premium Quality diamonds. Free UK delivery and a 5 year guarantee.
From £14.43 per month
Item Ref: A4425.J.0
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
This undeniably elegant ring is reminiscent of the exceptional tanzanite and diamond engagement ring that Princess Diana wore. The ring features a traditional design with an eye-catching 7x5 oval cut tanzanite which takes centre stage and is nestled by a...
From £15.44 per month
Item Ref: E5603.F.0
AVAILABILITY: In stock (0 items)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
A special Diamond Ring in 9K White Gold. 0.01CT of Premium Quality diamonds. Gem size is 0.50CT. Free UK delivery and a 5 year guarantee.
Pay in 3 interest-free
Item Ref: E4893.G.0
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
An exceptional Diamond Ring in 9K White Gold. Channel setting. 0.40CT of Premium Quality diamonds. Free UK delivery and a 5 year guarantee.
From £26.75 per month
Item Ref: E4619.I.5
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
A special Diamond Ring in 9K Yellow Gold. Claw setting. 0.25CT of Premium Quality diamonds. Free UK delivery and a 5 year guarantee.
From £15.44 per month
Item Ref: NDFET27-V.F.0
AVAILABILITY: In stock (0 items)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
This sparkling tanzanite ring gives your hand an elegant look of luxury. Set in gorgeous, polished yellow gold it features a superb oval cut tanzanite that shimmers with exquisite blue-violet colour. For extra radiance, one carat of sustainable lab grown...
From £80.58 per month
Item Ref: FT32-VF.F.5
AVAILABILITY: In stock (0 items)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
The precious tanzanite from Africa and the high quality diamonds in this ring make it a breathtaking piece of jewellery, worthy of any big occasion. Sparkling with unrivalled brilliance, it's finished with the finest 18K white gold.
From £36.98 per month
Item Ref: FET27-VY.F.0
AVAILABILITY: In stock (0 items)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
This majestic tanzanite ring would make an engagement ring fit for a princess as the deep blue tanzanite stone radiates against the 1.00CT of dazzling H/SI Quality Diamonds. The 18K white gold band lends the ring a modern touch and...
From £80.72 per month
Item Ref: FET23-VY.F.0
AVAILABILITY: In stock (0 items)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
This gorgeous tanzanite ring is a truly glamorous piece which would add a touch of sophistication to any occasion. The 18K white gold band gives this traditionally styled ring a contemporary edge and the 0.50CT of H/SI Quality Diamonds on...
From £101.91 per month
Item Ref: FG45-VBY
AVAILABILITY: Out of Stock
PRODUCT TYPE: Earrings
VENDOR: The Diamond Store
These chic tanzanite earrings make a stunning luxury treat that's guaranteed to delight your gift recipient. They feature two cushion cut tanzanites that sparkle with matching intense blue-violet colour. Accented with radiant diamonds in a beautifully polished white gold setting...
From £50.44 per month
Item Ref: FET26-VY.I.0
AVAILABILITY: In stock (1 item)
PRODUCT TYPE: Rings
VENDOR: The Diamond Store
The imposing tanzanite stone in this stunning 18K white gold ring radiates with majesty and its shine is enhanced further by the circle of 0.50CT of H/SI Quality Diamonds which encase it. This classically styled ring showcases the beautiful contrast...
From £71.16 per month
Item Ref: NDFG38-VY
AVAILABILITY: In stock (2 items)
PRODUCT TYPE: Earrings
VENDOR: The Diamond Store
Made with two luxurious, oval cut tanzanite gemstones and sparkling, sustainable lab grown diamonds, these drop earrings promise to create a stir wherever you go. Exquisitely handcrafted with white gold, they promise long-lasting, timeless style for any occasion. *The sustainable...
From £39.67 per month
We want you to feel completely confident when you shop with us. That’s why we offer FREE 30-day returns for refunds and 60-day exchanges across the UK and Northern Ireland.
If you’ve ordered a ring smaller than a size J or larger than a size Q, don’t worry — these are custom sizes, but we’re still happy to offer a free exchange or resizing if the fit isn’t quite right.
Changed your mind? No problem — you can cancel your order anytime before it’s been dispatched.
Just reach out to our friendly team via Live Chat, by email at customerservice@thediamondstore.com, or give us a call on 0345 084 1200 (or +44 345 084 1200 if calling from outside the UK). Please have your order number handy to help us assist you as quickly as possible.
Please note that for rings smaller than size J or larger than size Q, the width may vary slightly (up to 10%) due to the crafting process. If you need any adjustments, we’re happy to help.
If your item arrives damaged or defective, we’ll make it right — fast. We’ll either repair or replace it at no cost to you, or provide a refund once it’s been assessed by our head jeweller.
Our standard returns policy is 30 days to return, and 60 days to exchange.
We stand by the quality of our jewellery. That’s why all our pieces come with a 5-year warranty against defects in materials or craftsmanship. Every item is also fully hallmarked according to UK legislation, confirming its authenticity and origin.
Once we’ve received and inspected your returned jewellery, we’ll process your refund right away and email you to confirm. Depending on your bank or payment provider, it may take 3 to 5 working days to show up on your statement.
We’ll always refund you via the same method you used to make your purchase — whether that was credit or debit card, PayPal, Pay4Later Finance, bank transfer, or another option.
To avoid delays, make sure to include the returns label print-out with your parcel. This helps us identify your return quickly.
We’re proud to say that all our diamonds are conflict-free and fully compliant with United Nations regulations. When you buy from us, you’re choosing ethical beauty.
We’re here whenever you need us.
📧 Email us: customerservice@thediamondstore.com or returns@thediamondstore.co.uk
📞 Call us: 0345 084 1200 (UK) or +44 345 084 1200 (International)
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