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Platinum Diamond Gemstone Sides Engagement Rings

Drawing together timeless design with modern artistry, our collection of platinum diamond gemstone sides engagement rings offers you an exciting selection of unique rings, allowing you to find a design that speaks to love you share with your partner. A colourful side gemstone engagement ring design is a unique and personalised way to symbolise your love–all you have to do is decide which colour best captures your love story. From a gently curving oval cut to the striking angles of a princess cut, choosing the diamond shape best suited to your relationship is a great way to make your ring feel personal, so be sure to check out our full range of gemstones. Our designers draw creative inspiration from all over to bring you a diverse range of platinum diamond engagement rings, so explore our full selection of design styles below.

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Taylor & Hart Faith Round Engagement Ring 360 detail 01

Faith

Trilogy engagement ring with round center diamond and teal sapphire sides

from $1,470
Taylor & Hart Marula Round Engagement Ring 360 detail 01

Marula

Round center framed by round pink sapphire and diamond clusters engagement ring set in platinum

from $1,960
Taylor & Hart Marula Oval Engagement Ring 360 detail 01

Marula

Oval center framed by round pink sapphire and diamond clusters engagement ring set in platinum

from $1,960
Taylor & Hart Tamora Oval Engagement Ring 360 detail 01

Tamora

Oval center engagement ring with marquise green sapphire petals on a knife edge band

from $1,715
Taylor & Hart Lierre Round Engagement Ring 360 detail 01

Lierre

Round organic green sapphire and diamond detail engagement ring in platinum

from $1,610
Taylor & Hart Faith Round Engagement Ring 360 detail 01

Faith

Trilogy engagement ring with round center diamond and blue sapphire sides

from $1,470
Taylor & Hart Tamora Round Engagement Ring 360 detail 01

Tamora

Round center engagement ring with marquise green sapphire petals on a knife edge band

from $1,715
Taylor & Hart Lierre Oval Engagement Ring 360 detail 01

Lierre

Oval organic green sapphire and diamond detail engagement ring in platinum

from $1,610
Taylor & Hart Tamora Pear Engagement Ring 360 detail 01

Tamora

Pear center engagement ring with marquise green sapphire petals on a knife edge band

from $1,715
Taylor & Hart Faith Oval Engagement Ring 360 detail 01

Faith

Trilogy engagement ring with oval center diamond and ruby sides

from $1,470
Taylor & Hart Tamora Marquise Engagement Ring 360 detail 01

Tamora

Marquise center engagement ring with marquise green sapphire petals on a knife edge band

from $1,715
Taylor & Hart Faith Round Engagement Ring 360 detail 01

Faith

Trilogy engagement ring with round center diamond and purple sapphire sides

from $1,470
Taylor & Hart Tamora Oval Engagement Ring 360 detail 01

Tamora

Oval center engagement ring with marquise dark blue sapphire petals on a knife edge band

from $1,715
Taylor & Hart Lierre Round Engagement Ring 360 detail 01

Lierre

Round organic sapphire and diamond detail engagement ring in platinum

from $1,610
Taylor & Hart Thia Oval Engagement Ring 360 detail 01

Thia

Oval center engagement ring with marquise green sapphires set in platinum

from $1,550
Taylor & Hart Tamora Oval Engagement Ring 360 detail 01

Tamora

Oval center engagement ring with marquise purple sapphire petals on a knife edge band

from $1,715
Taylor & Hart Cascade Oval Engagement Ring 360 detail 01

Cascade

Oval center engagement ring with marquise accent green sapphires

from $2,135
Taylor & Hart Faith Oval Engagement Ring 360 detail 01

Faith

Trilogy engagement ring with oval center diamond and teal sapphire sides

from $1,470
Taylor & Hart Thia Round Engagement Ring 360 detail 01

Thia

Round center engagement ring with marquise green sapphires set in platinum

from $1,550
Taylor & Hart Affinity Oval Engagement Ring 360 detail 01

Affinity

Oval diamond center and pear side green sapphire engagement ring set in platinum

from $1,960
Taylor & Hart Tranquility Round Engagement Ring 360 detail 01

Tranquility

Round center diamond and round side blue sapphire trilogy engagement ring set in platinum

from $2,030
Taylor & Hart Lierre Oval Engagement Ring 360 detail 01

Lierre

Oval organic sapphire and diamond detail engagement ring in platinum

from $1,610
Taylor & Hart Tamora Round Engagement Ring 360 detail 01

Tamora

Round center engagement ring with marquise dark blue sapphire petals on a knife edge band

from $1,715
Taylor & Hart Affinity Marquise Engagement Ring 360 detail 01

Affinity

Marquise diamond center and pear side blue sapphires engagement ring set in platinum

from $1,960
Taylor & Hart Tranquility Round Engagement Ring 360 detail 01

Tranquility

Round center diamond and round side ruby trilogy engagement ring set in platinum

from $2,030
Taylor & Hart Tamora Oval Engagement Ring 360 detail 01

Tamora

Oval center engagement ring with marquise teal sapphire petals on a knife edge band

from $1,715
Taylor & Hart Tamora Marquise Engagement Ring 360 detail 01

Tamora

Marquise center engagement ring with marquise dark blue sapphire petals on a knife edge band

from $1,715
Taylor & Hart Faith Princess Engagement Ring 360 detail 01

Faith

Trilogy engagement ring with princess center diamond and blue sapphire sides

from $1,470
Taylor & Hart Faith Round Engagement Ring 360 detail 01

Faith

Trilogy engagement ring with round center diamond and peach sapphire sides

from $1,470
Taylor & Hart Marula Oval Engagement Ring 360 detail 01

Marula

Oval center framed by round blue sapphire and diamond clusters engagement ring set in platinum

from $1,960
Taylor & Hart Marula Round Engagement Ring 360 detail 01

Marula

Round center framed by round blue sapphire and diamond clusters engagement ring set in platinum

from $1,960
Taylor & Hart Damson Oval Engagement Ring 360 detail 01

Damson

Oval solitaire engagement ring with blue sapphire and diamond ombré pavé

from $1,365
Taylor & Hart Faith Pear Engagement Ring 360 detail 01

Faith

Trilogy engagement ring with pear center diamond and blue sapphire sides

from $1,470
Taylor & Hart Faith Cushion Engagement Ring 360 detail 01

Faith

Trilogy engagement ring with cushion center diamond and blue sapphire sides

from $1,470
Taylor & Hart Faith Emerald Engagement Ring 360 detail 01

Faith

Trilogy engagement ring with emerald center diamond and blue sapphire sides

from $1,470
Taylor & Hart Lunarose Round Engagement Ring 360 detail 01

Lunarose

Round diamond floral cluster engagement ring with pink sapphire and diamond ombré in platinum

from $3,710

Platinum Diamond Gemstone Sides Engagement Rings

We want the process of finding a ring to be a creative act, one that gets to the heart of what makes your love unique. Our collection of engagement rings features a diverse range of styles, metals, and ring shapes, making it easy for you to feel confident that you’ve found ‘the one’.

When it comes to engagement rings, platinum has always been the most popular choice—accounting for over 60% of the rings we make today. Durable, naturally bright, and low maintenance, this precious metal makes platinum gemstone sides engagement rings last a lifetime. A platinum band with a unique gemstone sides ring is a match made in heaven, sure to make any centre diamond look its best for years to come.

Engagement rings with colourful side gemstones are the perfect way to make a ring design truly yours. With a spectrum of dazzling hues and shapes, it’s no wonder there’s a platinum colourful side gemstone design to capture every love story. Choose a design that features your partner’s birthstone or their favourite colour to symbolise the colour of your love.

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