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Diamond Jewelry

As diamond specialists we only choose the highest quality gems available for our jewelry collections and custom jewelry creations. 

Discover our collection of diamond rings
& diamond jewellery.

We can source stunning lab grown diamonds for your creations as well as natural diamonds that will meet all your criteria.

Brand
Gemstone
Metal
Stunning engagement ring featuring a big marquise yellow diamond with a round brilliant diamond halo, set in 14k white gold. A real treasure that was handmade in Montreal by jewelry brand Ruby Mardi.
Classic diamond engagement ring worn on the hand of a woman with pink nails. The hand is resting on her shoulder and she's wearing a white lace blouse that lends a romantic touch to the photo. The jewel features a magnificent 0.36ct marquise yellow diamond surrounded by a 0.13cttw natural diamond halo. It was designed and crafted by artisan jewelers in Montreal, Canada. Find other bridal jewelry and designer pieces at Ruby Mardi's upscale Montreal boutique.
Aura | Yellow Diamond & Natural Diamond Halo Gold Ring GIA Certified Ruby Mardi
£3,931.00 GBP
White Lily Eternity Janine Jewels
£1,858.00 GBP
An edgy yet classic and elegant wedding band featuring a half-eternity of natural bright diamonds set on a white gold band, and a yellow band on top with a pinch center that makes it perfect to match with a solitaire engagement ring. This designer band is seen photographed on a white background.
Diamond | Pinched spiked diamond wedding band Justine Quintal
£1,689.00 GBP
A beautiful engagement ring in solid yellow gold with 13 natural diamonds. A work of art handmade by Nadia Werchola in Toronto, and exclusively available at Ruby Mardi in Montreal. The ring is seen on a white background. The central diamond is old-mine cut, and there are many multigrain details that gives a vintage vibe to the bridal jewel.
A magnificent solid yellow gold engagement ring with 13 natural diamonds is seen up close worn by a woman's hand with pink fingernails. A work of art handcrafted by Nadia Werchola in Toronto, and available exclusively at Ruby Mardi in Montreal. The central diamond is old mine cut, and numerous multi-grain details lend a vintage touch to this wedding jewel.
Stella White Diamond Ring Nadia Werchola
£2,417.00 GBP
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brown diamond toi et moi bridal engagement ring custom made in montreal by boutique ruby mardi on a white background
girl wearing a toi et moi diamond white gold custom made ring in montreal on a grey background
Diamond | Toi & Moi Cushion Diamonds White Gold Ring - 1.03 cttw Ruby Mardi
£0.00 GBP
Statement ring in a sun shape set in yellow gold featuring several lab grown diamonds. This funky piece of jewelry was designed and handcrafted in Montreal by jewelry store Ruby Mardi. It features a round brilliant central diamond and 20 small diamonds all around.
Soleil | All-diamond yellow gold ring Bena Jewelry
£1,718.00 GBP
This gold and diamond Pigalle ring is made by Bena Jewerly, an independent Canadian designer in partnership with the most avant-garde jewelry store in Canada and Quebec, Ruby Mardi. This unisex ring is an exclusive creation and is made in Montreal.
Two hands in close shot studio photography are modelling for fine jewelry pieces. The hands have dark blue metallic nails. The background is red wine color. The hands wear 7 unique designer rings of unique different styles. All of them are in yellow gold. Gemstones seen are salt & pepper diamond, raw garnet, white sapphire, natural diamond, rubies and black diamonds.
Pigalle Ring | Diamond Edition Bena Jewelry
£1,602.00 GBP
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Punch ring in its yellow gold and diamond pavé version. A comfortable double finger ring that shines! Bold, trendy, edgy and modern fine jewelry. Lab grown diamonds were used so this piece stays affordable.
Punch ring in its yellow gold and diamond pavé version worn by a lady and seen in close up. Statement gold jewelry by Bena Jewelry.
Punch Ring | Yellow Gold Diamond Ring - 0.91 cttw Bena Jewelry
£0.00 GBP
Classic engagement ring featuring a lab grown diamond in an oval shape and several small side diamonds. Custom made bridal ring designed by Ruby Mardi, a fine jewelry store that sells designer jewelry. The ring is photographed on a white background.
Top view of a lab grown oval diamond engagement ring set in yellow gold. This unique wedding ring is handmade in Montreal by Ruby Mardi jewelry store, which specializes in custom creation of bridal jewelry and other jewellery from independent Canadian designers.
Désir | Lab Grown Diamond Engagement Ring Ruby Mardi
£1,136.00 GBP
Splendid delicate and minimalist bridal ring made in yellow gold with a magnificent salt and pepper diamond in a round shape and cut in rose cut. Ethically made in Montreal by jewelry designer Émigé, this fine piece of jewelry is made to last a lifetime and is available at the best jewelry store in Montreal Ruby Mardi.
Mini Thida Ring with a Salt & Pepper Diamond Emigé
£976.00 GBP
This delicate engagement ring is made in Montreal by independent jewelry designer Émigé. This jewel is made in pink gold with a splendid little champagne diamond in a bezel setting with a delicate miligrain. This splendid handmade artisanal creation is on sale at the best jewelry store in Montreal Ruby Mardi.
This dainty everyday ring is made in Montreal by independent jewelry designer Émigé. This jewel is made in white gold with a little Canadian diamond in a bezel setting with a delicate miligrain. This splendid handmade artisanal creation is on sale at the best jewelry store in Montreal Ruby Mardi.
Manon Ring in Rose Gold or White Gold Emigé
£265.00 GBP
Delicate ring from independent jewelry designer Émigé from Montreal. This small wedding ring is made in gold with a salt and pepper diamond cut in rose cut and bezel set with a delicate miligrain. This splendid engagement ring is available for sale in Montreal at the Ruby Mardi jewelry store.
Jewelry designer Émigé presents this Manon engagement ring made in yellow gold with a magnificent salt and pepper diamond in an oval shape and cut in a rose cut. This simple and minimalist engagement ring is made by an independent jewelry artisan from Montreal and represents the only jewelry gallery in Quebec, the Ruby Mardi jewelry specialist in alternative and elegant bridal rings.
Manon Oval Ring in Yellow or Rose Gold Emigé
£289.00 GBP
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