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Free UK Delivery

10% OFF YOUR FIRST ORDER

Handmade in London

GOOGLE RATING 4.8 ★★★★★

Gift Wrapping & Engraving Available

Next day delivery*

Join our Loyalty Club

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Diamond Necklaces

Explore Our Diamond Pendants & Necklaces

Explore our elegant collection of diamond pendants and necklaces. Perfect for everyday wear or for special occasions and weddings, our collection includes floating diamond necklaces, calendar pendants, diamond drop necklaces and more. Add subtle glamour to any look with a diamond necklace. Our diamond pendants also make great gifts for loved ones to mark a special occasion.

Find Special Occasion & Everyday Diamond Necklaces

There is a diamond necklace for everyone and every occasion in our collection. Our diamond necklaces come in a variety of dainty and delicate styles, so whether you are looking for a diamond pendant to wear everyday, an extra special diamond necklace for a party, or a floating diamond to mark a birthday or anniversary, you'll find plenty of options to choose from.

Our diamond necklaces can be worn for a host of special occasions. For weddings, a diamond necklace is an effortless accessory for brides, and makes a meaningful gift for bridesmaids.

Diamond Necklaces & Pendants Made To Last

All our diamond necklaces are designed to last and we use only ethically sourced genuine diamonds.Our gold diamond necklaces come in solid 9ct and 18ct gold, 9ct white gold, as well as gold-plated options. Our silver diamond necklaces are all solid 925 sterling silver.

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Solid Gold Genuine Diamond Initial Letter Necklace

Solid Gold Genuine Diamond Initial Letter Necklace

Solid Gold Genuine Diamond Initial Letter Necklace

From £250

Gold Diamond Style Lariat Necklace

Gold Diamond Style Lariat Necklace

Gold Diamond Style Lariat Necklace

From £99

Solid Gold Floating Diamond Necklace

Solid Gold Floating Diamond Necklace

Solid Gold Floating Diamond Necklace

£330

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Gold Special Date Calendar Necklace

Gold special date calendar necklace held up by a hand with a gold diamond style baguette eternity ring on one finger

Gold Special Date Calendar Necklace

From £99

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Solid Gold Genuine Diamond Individual Initial Charm

Solid Gold Genuine Diamond Individual Initial Charm

Solid Gold Genuine Diamond Individual Initial Charm

£195

Solid Gold Genuine Diamond Tiny Cross Necklace

Solid Gold Genuine Diamond Tiny Cross Necklace

Solid Gold Genuine Diamond Tiny Cross Necklace

From £250

Solid White Gold Floating Diamond Necklace

Solid White Gold Floating Diamond Necklace

Solid White Gold Floating Diamond Necklace

£330

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Solid White Gold Genuine Diamond Initial Letter Necklace

Solid White Gold Genuine Diamond Initial Letter Necklace

Solid White Gold Genuine Diamond Initial Letter Necklace

From £250

Gold triple baguette diamond necklace on a white background

Gold triple baguette diamond necklace around a neck

Gold Triple Baguette Diamond Necklace

From £89

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Silver small round diamond locket necklace on a white background

Woman wearing a silver small round diamond locket necklace layered with a gold small round diamond locket necklace around her neck and gold square edge hoop earrings in her ear lobes

Silver Small Round Diamond Locket Necklace

From £135

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Gold small round diamond locket necklace on a white background

Woman wearing a gold small round diamond locket necklace holding it open with her fingers

Gold Small Round Diamond Locket Necklace

From £145

Solid Gold Floating Diamond Cluster Necklace

Solid Gold Floating Diamond Cluster Necklace

Solid Gold Floating Diamond Cluster Necklace

£360

Solid White Gold Genuine Diamond Tiny Cross Necklace

Solid White Gold Genuine Diamond Tiny Cross Necklace

Solid White Gold Genuine Diamond Tiny Cross Necklace

From £260

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Silver Special Date Calendar Necklace

Close up of silver special date calendar necklace 'September' with a gemstone on number '10' around the neck of a woman holding it up with her hand

Silver Special Date Calendar Necklace

From £79

Solid gold diamond drop necklace on a white background

Solid gold diamond drop necklace around a neck of a woman wearing a solid gold diamond bracelet on her wrist

Solid Gold Floating Diamond Drop Necklace

£360

Solid White Gold Diamond Lariat Necklace

Solid White Gold Diamond Lariat Necklace

Solid White Gold Diamond Lariat Necklace

£350

Solid Gold Genuine Diamond Individual Tiny Cross Charm

Solid Gold Genuine Diamond Individual Tiny Cross Charm

Solid Gold Genuine Diamond Individual Tiny Cross Charm

£185

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Solid White Gold Genuine Diamond Individual Initial Charm

Solid White Gold Genuine Diamond Individual Initial Charm

Solid White Gold Genuine Diamond Individual Initial Charm

£195

Solid White Gold Genuine Diamond Individual Tiny Cross Charm

Solid White Gold Genuine Diamond Individual Tiny Cross Charm

Solid White Gold Genuine Diamond Individual Tiny Cross Charm

£195

Solid White Gold Triple Baguette Diamond Necklace

Solid White Gold Triple Baguette Diamond Necklace

Solid White Gold Triple Baguette Diamond Necklace

£375

Solid White Gold Floating Diamond Cluster Necklace

Solid White Gold Floating Diamond Cluster Necklace

Solid White Gold Floating Diamond Cluster Necklace

£360

Solid White Gold Floating Diamond Drop Necklace

Solid White Gold Floating Diamond Drop Necklace

Solid White Gold Floating Diamond Drop Necklace

£360

AS SEEN

LILY & ROO	US/CA	EU	Inside Diameter (mm)	Inside Circumference (mm)
J	4 3/4	48.5	15.5	48.7
K	5 1/4	50	15.9	50
L	5 3/4	51	16.3	51.2
M	6 1/4	52	16.7	52.5
N	6 3/4	53.5	17.1	53.8
P	7 3/4	56	17.9	56.3

Please note, a majority of our rings are available in standard UK sizes K, N and P. Our Diamond Style Stacking rings are only available in standard UK sizes J, L, N. To find out your ring size, please refer to our Ring Size Guide below.

Ways to find your LILY & ROO ring size:

Measure the inside diameter of a ring you already own. (Check the table above in the ‘Inner Diameter of Ring (mm)” column to find your ring size.
Download the Ring Sizer app if you have a smart phone, using an existing ring.
Measure the circumference of your finger.
- Measure your finger by wrapping around it with measuring tape. If you do not have tape you can use string/ floss and measure against a ruler.
- Check the table above in the “Finger Circumference (mm)” column to find your ring size.