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Diamond Jewelry

Explore our dazzling collection
of ready-to-wear rings and customizable jewelry,
featuring both natural and lab-grown diamonds.

As diamond specialists, we carefully select the finest gems to craft our collections and bespoke designs.

Each piece showcases exceptional craftsmanship and an elegance that transcends time.

Select designs can also be tailored to your specifications.

 

Gemstone
Metal
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Splendid engagement ring photographed against a white background. The ring features a central tricolored pear sapphire (green, blue, yellow), as well as 4 lateral natural diamonds in icy tones. This fine piece of jewelry was created by Toronto-based designer Emily Gill, and is sold by Ruby Mardi, a luxury jewelry store headquartered in Montreal, Canada.
Splendid engagement ring photographed on a white background, seen here from the side. The ring features a tricolored (green, blue, yellow) central pear-shaped Parti sapphire, as well as 4 natural icy diamonds in on the sides. This fine piece of jewelry was created by Toronto-based designer Emily Gill, and is sold by Ruby Mardi, a luxury jewelry store that represents the work of independent jewelry designers in Canada, as does Gem Breakfast in the USA.
Percé | 5 gemstone ring Emily Gill
£0.00 GBP
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Baby Cobra | Salt & Pepper Diamond Contour Band Emily Gill
£0.00 GBP
An absolutely unique yellow gold ring: the band is formed by two superimposed snakes that join a central oval green sapphire on either side, set in a closed setting with miligrain detail. The gold snakes have white diamond eyes on the front and green diamond eyes on the sides! This exceptional engagement ring is available only at Canada's coolest jewelry store, Ruby Mardi. It was made by Emily Gill.
An absolutely unique yellow gold ring: the band is formed by two superimposed snakes that join a central oval green sapphire on either side, set in a closed setting with miligrain detail. The gold snakes have white diamond eyes on the front and green diamond eyes on the sides! This exceptional engagement ring is available only at Canada's coolest jewelry store, Ruby Mardi. It was made by Emily Gill.
Snakes & Lovers | Sapphire Ring Emily Gill
£2,675.00 GBP
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Stunning 18k yellow gold wedding band with 5 round yellow diamonds side by side, and two small round brilliant white diamonds set with fine miligrain detail at the ends. This classic jewel with a twist is by Emily Gill Design. This wedding band or right hand ring is available at Ruby Mardi fine jewelry, in Montreal's Little Italy, or online.
Pretty wedding band with an alignment of 5 yellow diamonds and two small white diamonds set with a fine miligrain detail. The ring designed and made by Emily Gill Design in Toronto, Canada, was photographed by Ruby Mardi, a fine jewelry store that sells one-of-a-kind jewelry made by Canada's finest independent artists, as does Gem Breakfast in the USA. The photo shows the bridal jewel against a sequined floral background.
Soleil | Warm Diamond Band Emily Gill
£1,911.00 GBP
Front view of a yellow gold cluster ring featuring 17 lab-grown round brilliant diamonds. This handcrafted bridal piece of fine jewelry is photographed on a white background and is available at Ruby Mardi in Montreal, Canada.
Yellow gold ring featuring 17 lab-grown round brilliant diamonds, worn by a stylish woman with long brown hair and a white sweater. This bold and elegant piece is handcrafted in Montreal and available at Ruby Mardi.
Avalanche French Meringue Ruby Mardi
£1,556.00 GBP
Wedding band in V shape in 14k recycled yellow gold with 5 natural diamonds set on top of the band for an original and edgy look. This designer band was designed by In the Light of Day jewelry and is meant to match with an engagement ring. This unique jewelry piece is available through Ruby Mardi, the best jewelry store in Montreal, Canada.
A designer wedding band in recycled gold with natural round diamonds is photographed on a flowery background. This band is designed to be stacked with any solitaire ring. It was handmade by indie jewellery brand In the Light of Day Jewelry. It is sold by Ruby Mardi jewelry store in Montreal, Canada.
Zenith Ring | Diamond Stackable band In the Light of Day
£928.00 GBP
A stackable wedding band in recycled gold (yellow, 14k) with 5 natural diamonds on top of an arch. This gold band is a creation from American brand In the Light of Day Jewelry. You can find it at Canadian jewelry Store Ruby Mardi, which sells independent jewelry brands and one-of-a-kind jewelry pieces.
A thick recycled gold ring with 5 natural diamonds disposed over an half-circle that is meant to stack with round, oval or pear gemstone engagement rings. The jewel is seen photographed on an abstract funky background. This designer wedding band was handmade in the USA by indie brand In the Light of Day Jewelry, and it is available at Canadian jewelry store Ruby Mardi, in Montreal's Little Italy.
Constellation Ring | Diamond Stackable band In the Light of Day
£928.00 GBP
Salt and pepper diamond ring in white gold from jewelry designer Yuliya Chorna. This grey diamond ring features natural diamond accents into the band. Perfect for an icy classical look with a twist. This one-of-a-kind bridal ring is available at Canadian jewelry store Ruby Mardi, in Montreal's little Italy.
We see a jewelry stack in close shot, worn on a white hand. The bridal set features a beautiful oval salt & pepper diamond (on the grey side) with 4 claw prongs and two small natural diamonds inlaid in the band, and a matching diamond wedding band with miligrain details. These two rings are from Toronto designers Yuliya Chorna and Emily Gill. They are both available at Montreal Jewelry store Ruby Mardi. We ship worldwide.
Around the World | Grey Diamond white gold ring Yuliya Chorna
£2,157.00 GBP
Fashion engagement ring featuring a hexagonal rose cut black diamond set in 14k yellow gold with natural round brilliant diamond accents. This modern bridal jewelry piece was handmade in Toronto by designer Yuliya Chorna. It's a one-of-a-kind ring that is only available through Ruby Mardi, the best jewelry store in Montreal, Canada.
Close-up of a hand wearing multiple gold designer rings, including a black hexagonal diamond engagement ring by Yuliya Chorna, available at Ruby Mardi fine jewelry boutique in Montreal.
Hexagon | Black Diamond gold ring Yuliya Chorna
£2,102.00 GBP
Front view of a half eternity wedding band in yellow gold, featuring a row of bezel-set round diamonds. Handcrafted in Montreal by Ruby Mardi, this minimalist and elegant ring is perfect for stacking or as a modern bridal band.
Yellow gold bezel-set diamond ring displayed on a vibrant geometric surface. Each round diamond is set in a smooth bezel, creating a refined half eternity band handmade in Montreal by Ruby Mardi, an independent Canadian jewelry brand.
Lady Di | Half Eternity Diamond Band Ruby Mardi
From £1,038.00 GBP
A unique designer ring photographed against a white background, from the front: it's a chunk of 14k yellow gold half the width of a hand, set with 2.37 carats of round diamonds of various sizes. This high end piece of jewelry is designed to be worn on two fingers. Photographed from this angle, you can't see the ring and it looks like a piece of contemporary art.
Close-up photograph of a woman's face with brown hair and mouth in shadow. The eyes (made up in red with a pronounced line of eyeliner) are lit up and look out at the camera. Near her eyes, she brings her hand to her face, on which she wears a luxurious piece of high-end jewelry: a 14-kt gold ring set with 2.37 carats of diamonds. It's a long, generous gold ring that can be worn on two fingers. A modern, fashionable and unisex piece of jewelry, created by independent Canadian designer Bena Jewelry.
Punch | 14k yellow gold diamond ring - 2.37 cttw Bena Jewelry
From £5,047.00 GBP
Close-up of a yellow gold diamond wedding band featuring alternating marquise and round brilliant diamonds, Ruby Mardi jewelry.
Hand wearing a yellow gold diamond eternity band, featuring a continuous row of round brilliant diamonds. The ring is shown in natural lighting, highlighting the sparkle of the stones.
Triad | Cluster diamond band Ruby Mardi
From £1,693.00 GBP
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