New Arrivals

Elongated old mine cut lab diamond engagement ring, 1.80mm cathedral tube shank with wrap-around reverse halo – view 1 of 3
Elongated Old Mine Cut | 1.80MM Cathedral Tube Shank | Wrap-Around Reverse Halo from $2,900.00 CAD
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Elongated old mine cut lab diamond engagement ring, 2.20mm cathedral tube split shank with rotated prongs – view 1 of 4
Elongated Old Mine Cut | 2.20MM Cathedral Tube Split Shank | Rotated Prongs from $3,500.00 CAD
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Ladies marquise cut diamond eternity band, .12ct stones – view 1 of 4
Ladies Marquise Cut Eternity Band | .12ct Diamonds from $2,100.00 CAD
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Dutch marquise cut lab diamond engagement ring, 1.80mm non-cathedral tube shank with round and marquise stations and reverse halo – view 1 of 3
Dutch Marquise Cut | 1.80MM Non-Cathedral Tube Shank | Round and Marquise Station Shank | Reverse Halo from $2,900.00 CAD
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VIEW ALL NEW ARRIVALS
Natural oval diamond engagement ring with hidden halo in white gold - diamondboi

Natural Engagement Rings

Lab-grown elongated cushion solitaire engagement ring in yellow gold - diamondboi

Lab-Grown Engagement Rings

Ladies diamond eternity wedding bands in white and yellow gold - diamondboi

Ladies Wedding Bands

Men's black diamond pave wedding bands in yellow and white gold - diamondboi

Men's Wedding Bands

Why clients choose diamondboi

A sleek, faceted diamond-shaped emblem with sharp geometric cuts and a polished metallic finish.

20 years, 25,000+ rings

Every one made in our Toronto studio for one specific person.

A sleek, faceted diamond-shaped emblem with sharp geometric cuts and a polished metallic finish.

Diamonds we'd choose ourselves

GIA-certified natural (E–F colour, VS2+) and IGI-certified lab-grown (D–E colour, VVS2+).

A sleek, faceted diamond-shaped emblem with sharp geometric cuts and a polished metallic finish.

A firm quote, in the room

You leave your consultation knowing the design and the price. Nothing is made until you approve both.

A sleek, faceted diamond-shaped emblem with sharp geometric cuts and a polished metallic finish.

A relationship beyond the ring

Lifetime diamond upgrade, resizing and care — long after the yes.

Complimentary consultations in our Toronto studio or by video. Now booking January 2027, with occasional earlier openings.

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Real proposals. Real diamondboi rings.

Proposal on a boat off the coast of Capri
Newly engaged couple at the Golden Gate Bridge
Wedding couple in a vintage convertible
Diamondboi engagement ring resting in a peach rose
Lakeside proposal on one knee
Bride and groom on their wedding day
Sailboat proposal at sunset
Snowy winter proposal
Proposal beneath the Brooklyn Bridge
Close-up of a diamondboi cushion-cut halo engagement ring

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