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Platinum Trilogy Engagement Rings

Platinum trilogy rings are the accessory world’s equivalent of champagne and lobster. The crème de la crème of jewelry, our opulent three stone engagement rings feature stunning diamond centerpieces in nearly every cut—round, emerald, pear, and princess cut trilogy rings, etc.—on a band of premium platinum.

Trilogy Ring

Trilogy Ring

Classic Solitaire

Classic Solitaire

Halo Ring

Halo Ring

Side Stone Ring

Side Stone Ring

Three Stone

Three Stone

Cluster Engagement Ring

Cluster Engagement Ring

Illusion Set Ring

Illusion Set Ring

Toi Et Moi

Toi Et Moi

Couples

Couples

Twisted Engagement Ring

Twisted Engagement Ring

Gemstone Engagement Ring

Gemstone Engagement Ring

Diamond Band

Diamond Band

Unique Engagement Ring

Unique Engagement Ring

Unusual Engagement Ring

Unusual Engagement Ring

Antique Engagement Ring

Antique Engagement Ring

Vintage Engagement Ring

Vintage Engagement Ring

Minimalist Engagement Rings

Minimalist Engagement Rings

Men's Rings

Men's Rings

Women's Rings

Women's Rings

Black Diamond Rings

Black Diamond Rings

Ruby Rings

Ruby Rings

Tanzanite Rings

Tanzanite Rings

Emerald Rings

Emerald Rings

Blue Sapphire Rings

Blue Sapphire Rings

Aquamarine Rings

Aquamarine Rings

Moissanite Rings

Moissanite Rings

Oval Rings

Oval Rings

Amethyst Rings

Amethyst Rings

Lab Grown DiamondDiamond

275 Results

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Style

Trilogy

Trilogy

Halo

Halo

Three Stone Rings

Three Stone Rings

Illusion Set

Illusion Set

Unique

Unique

Unusual

Unusual

Antique

Antique

Minimalist

Minimalist

Solitaire

Solitaire

Side Stone

Side Stone

Cluster Rings

Cluster Rings

Toi Et Moi

Toi Et Moi

Couples

Couples

Twisted Engagement Ring

Twisted Engagement Ring

Gemstone

Gemstone

Diamond Band

Diamond Band

Vintage

Vintage

Metal

Platinum

Platinum

White Gold

White Gold

Yellow Gold

Yellow Gold

Rose Gold

Rose Gold

Stone type

Lab Grown Diamond

Lab Grown Diamond

Diamond

Diamond

Moissanite

Moissanite

Ruby

Ruby

Emerald

Emerald

Blue Sapphire

Blue Sapphire

Garnet

Garnet

Tanzanite

Tanzanite

Black Diamond

Black Diamond

Shape

Round

Round

Princess

Princess

Emerald

Emerald

Asscher

Asscher

Oval

Oval

Pear

Pear

Marquise

Marquise

Cushion

Cushion

Radiant

Radiant

Emerald/Round

Emerald/Round

Heart/Baguette

Heart/Baguette

Heart/Pear

Heart/Pear

Marquise/Baguette

Marquise/Baguette

Marquise/Round

Marquise/Round

Oval/Round

Oval/Round

Oval/Trillion

Oval/Trillion

Princess/Baguette

Princess/Baguette

Princess/Pear

Princess/Pear

Princess/Round

Princess/Round

Princess/Trillion

Princess/Trillion

Radiant/Pear

Radiant/Pear

Round/Pear

Round/Pear

Round/Trillion

Round/Trillion

Setting Type

3 Prong

3 Prong

4 Prong

4 Prong

6 Prong

6 Prong

Channel Setting

Channel Setting

Pave Setting

Pave Setting

Bezel Setting

Bezel Setting

By Recipient

Women's
Men's

Carat

1 Carat
1.5 Carat
2 Carat
3 Carat
Prong Setting Round Trilogy Diamond Engagement Ring 1
Prong Setting Round Trilogy Diamond Engagement Ring 2
Prong Setting Round Trilogy Diamond Engagement Ring 3

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High Set Platinum trelis crossover Trilogy Engagement Ring

From $1,740

4 Prong Setting Round Trilogy Diamond Rings in Yellow Gold 1
4 Prong Setting Round Trilogy Diamond Rings in Yellow Gold 2
4 Prong Setting Round Trilogy Diamond Rings in Yellow Gold 3

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4 Prong Round Platinum Graduated raised setting Trilogy Engagement Ring

From $1,528

4 prong setting round shape diamond trilogy twisted ring 1
4 prong setting round shape diamond trilogy twisted ring 2
4 prong setting round shape diamond trilogy twisted ring 3
4 prong setting round shape diamond trilogy twisted ring 4

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4 Prong Round Platinum crossover band open set Trilogy Engagement Ring

From $1,707

3 Prong Graduating Designer Trilogy Ring Engagement Rings 1
3 Prong Graduating Designer Trilogy Ring Engagement Rings 2
3 Prong Graduating Designer Trilogy Ring Engagement Rings 3

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4 Prong Round Platinum Graduating Trilogy Engagement Ring

From $1,459

4 prong setting round shape trilogy diamond ring 1
4 prong setting round shape trilogy diamond ring 2
4 prong setting round shape trilogy diamond ring 3
4 prong setting round shape trilogy diamond ring 4

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4 Prong Round Platinum Modern Trilogy Engagement Ring

From $1,754

Round Shape Trilogy Illusion Set Diamond Ring (5.0mm) 1
Round Shape Trilogy Illusion Set Diamond Ring (5.0mm) 2
Round Shape Trilogy Illusion Set Diamond Ring (5.0mm) 3

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Cathedral Round Platinum Square illusion disc Trilogy Engagement Ring

From $1,816

Oval And Heart Shape Trilogy Illusion Set Diamond Ring (6.0Mm) 1
Oval And Heart Shape Trilogy Illusion Set Diamond Ring (6.0Mm) 2
Oval And Heart Shape Trilogy Illusion Set Diamond Ring (6.0Mm) 3

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4 Prong Round Platinum Illusion Trilogy Engagement Ring

From $1,816

Cushion And Pear Shape Trilogy Illusion Set Diamond Ring (5.0Mm) 1
Cushion And Pear Shape Trilogy Illusion Set Diamond Ring (5.0Mm) 2
Cushion And Pear Shape Trilogy Illusion Set Diamond Ring (5.0Mm) 3

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4 Prong Round Platinum And pear shape illusion Trilogy Engagement Ring

From $1,793

Oval And Pear Shape Trilogy Illusion Set Diamond Ring (6.0Mm) 1
Oval And Pear Shape Trilogy Illusion Set Diamond Ring (6.0Mm) 2
Oval And Pear Shape Trilogy Illusion Set Diamond Ring (6.0Mm) 3

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4 Prong Round Platinum And pear shape illusion disc Trilogy Engagement Ring

From $1,681

Square Shape Trilogy Illusion Set Engagement Ring (5.0Mm) 1

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4 Prong Round Platinum Square illusion Trilogy Engagement Ring

From $2,281

Round Diamond Trilogy Engagement Rings with Diamonds on Shoulder 1
Round Diamond Trilogy Engagement Rings with Diamonds on Shoulder 2
Round Diamond Trilogy Engagement Rings with Diamonds on Shoulder 3

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Cathedral Round Platinum High shoulder set Trilogy Engagement Ring

From $1,667

6 prong setting round shape trilogy engagement ring for women 1
6 prong setting round shape trilogy engagement ring for women 2
6 prong setting round shape trilogy engagement ring for women 3

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6 Prong Round Platinum Trillium Trilogy Engagement Ring

From $1,557

Prong Setting Round Trilogy Diamond Engagement Ring in Rose / White Gold 1
Prong Setting Round Trilogy Diamond Engagement Ring in Rose / White Gold 2
Prong Setting Round Trilogy Diamond Engagement Ring in Rose / White Gold 3

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Low Set Round Platinum Twisted shoulder Trilogy Engagement Ring

From $1,740

Round 4 Prong Minimalist Trilogy Diamond Engagement Ring 1
Round 4 Prong Minimalist Trilogy Diamond Engagement Ring 2
Round 4 Prong Minimalist Trilogy Diamond Engagement Ring 3

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4 Prong Round Platinum Minimalist S-shaped shank Trilogy Engagement Ring

From $1,047

Round 4 Prong Unusual Trilogy Diamond Engagement Ring 1
Round 4 Prong Unusual Trilogy Diamond Engagement Ring 2
Round 4 Prong Unusual Trilogy Diamond Engagement Ring 3

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4 Prong Round Platinum Minimalist twist shoulder Trilogy Engagement Ring

From $2,199

Round 4 Prong Vertical Line Trilogy Diamond Engagement Ring 1
Round 4 Prong Vertical Line Trilogy Diamond Engagement Ring 2
Round 4 Prong Vertical Line Trilogy Diamond Engagement Ring 3

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4 Prong Round Platinum Vertical line Trilogy Engagement Ring

From $2,095

4 Prong Set Oval Trilogy Diamond Ring in Rose / Yellow / White Gold 1
4 Prong Set Oval Trilogy Diamond Ring in Rose / Yellow / White Gold 2
4 Prong Set Oval Trilogy Diamond Ring in Rose / Yellow / White Gold 3

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4 Prong Oval Platinum And round graduated Trilogy Engagement Ring

From $2,807

4 Claws Setting Princess Trilogy Diamond Ring in White gold 1
4 Claws Setting Princess Trilogy Diamond Ring in White gold 2
4 Claws Setting Princess Trilogy Diamond Ring in White gold 3

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4 Prong Princess Platinum Basket shared claws Trilogy Engagement Ring

From $1,852

4 Prong Set Emerald Trilogy Diamond Ring in Platinum 1
4 Prong Set Emerald Trilogy Diamond Ring in Platinum 2
4 Prong Set Emerald Trilogy Diamond Ring in Platinum 3

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4 Prong Emerald Platinum And round Trilogy Engagement Ring

From $1,585

Oval Trilogy Diamond Ring 4 Prong Setting in Yellow / White Gold 1
Oval Trilogy Diamond Ring 4 Prong Setting in Yellow / White Gold 2
Oval Trilogy Diamond Ring 4 Prong Setting in Yellow / White Gold 3

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4 Prong Oval Platinum And round Trilogy Engagement Ring

From $1,818

4 Claws Setting Emerald Trilogy Diamond Ring in Rose / Yellow / Gold 1
4 Claws Setting Emerald Trilogy Diamond Ring in Rose / Yellow / Gold 2
4 Claws Setting Emerald Trilogy Diamond Ring in Rose / Yellow / Gold 3

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4 Prong Emerald Platinum With princess side Trilogy Engagement Ring

From $2,048

4 Prong Set Round Trilogy Diamond Ring in White gold 1
4 Prong Set Round Trilogy Diamond Ring in White gold 2
4 Prong Set Round Trilogy Diamond Ring in White gold 3

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4 Prong Round Platinum With pear on side Trilogy Engagement Ring

From $2,195

Round Trilogy Diamond Rings Prong Setting in White gold / Platinum 1
Round Trilogy Diamond Rings Prong Setting in White gold / Platinum 2
Round Trilogy Diamond Rings Prong Setting in White gold / Platinum 3

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4 Prong Round Platinum Unusual setting Trilogy Engagement Ring

From $1,909

4 Prong Set Round Trilogy Diamond Ring in Platinum 1
4 Prong Set Round Trilogy Diamond Ring in Platinum 2
4 Prong Set Round Trilogy Diamond Ring in Platinum 3

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4 Prong Round Platinum Graduated Trilogy Engagement Ring

From $1,628

4 Prong Set Round Trilogy Diamond Ring in White gold / Platinum 1
4 Prong Set Round Trilogy Diamond Ring in White gold / Platinum 2
4 Prong Set Round Trilogy Diamond Ring in White gold / Platinum 3

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Low Set Round Platinum Classic graduated Trilogy Engagement Ring

From $1,620

Round Trilogy Diamond Rings 6 Prong Setting in Yellow Gold 1
Round Trilogy Diamond Rings 6 Prong Setting in Yellow Gold 2
Round Trilogy Diamond Rings 6 Prong Setting in Yellow Gold 3

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6 Prong Round Platinum Twist Trilogy Engagement Ring

From $1,295

4 Prong Set Emerald Trilogy Diamond Ring in Rose / Yellow / White Gold 1
4 Prong Set Emerald Trilogy Diamond Ring in Rose / Yellow / White Gold 2
4 Prong Set Emerald Trilogy Diamond Ring in Rose / Yellow / White Gold 3

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4 Prong Emerald Platinum With round Trilogy Engagement Ring

From $1,689

Round Trilogy Diamond Rings Semi Bezel Setting in Rose / White Gold 1
Round Trilogy Diamond Rings Semi Bezel Setting in Rose / White Gold 2
Round Trilogy Diamond Rings Semi Bezel Setting in Rose / White Gold 3

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Low Set Round Platinum Ribbon Styled Trilogy Engagement Ring

From $1,740

Round Trilogy Diamond Rings Full Bezel Setting in White gold / Platinum 1
Round Trilogy Diamond Rings Full Bezel Setting in White gold / Platinum 2
Round Trilogy Diamond Rings Full Bezel Setting in White gold / Platinum 3

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Low Set Round Platinum Trinity Trilogy Engagement Ring

From $2,652

4 Claws Setting Emerald Trilogy Diamond Ring in White gold 1
4 Claws Setting Emerald Trilogy Diamond Ring in White gold 2
4 Claws Setting Emerald Trilogy Diamond Ring in White gold 3

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4 Prong Emerald Platinum Basket setting Trilogy Engagement Ring

From $2,005

Round Trilogy Diamond Ring 4 Prong Set in Platinum 1
Round Trilogy Diamond Ring 4 Prong Set in Platinum 2
Round Trilogy Diamond Ring 4 Prong Set in Platinum 3

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4 Prong Round Platinum Ending claws tappered shoulder Trilogy Engagement Ring

From $1,642

4 Prong Set Round Trilogy Diamond Ring in Yellow / White Gold 1
4 Prong Set Round Trilogy Diamond Ring in Yellow / White Gold 2
4 Prong Set Round Trilogy Diamond Ring in Yellow / White Gold 3

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4 Prong Round Platinum Enqual size Trilogy Engagement Ring

From $2,036

Trilogy Round Diamond Ring 4 Prong Setting in White gold / Platinum 1
Trilogy Round Diamond Ring 4 Prong Setting in White gold / Platinum 2
Trilogy Round Diamond Ring 4 Prong Setting in White gold / Platinum 3

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4 Prong Round Platinum Separate claws Trilogy Engagement Ring

From $1,793

Round Trilogy Diamond Rings Bar Setting in Platinum 1
Round Trilogy Diamond Rings Bar Setting in Platinum 2
Round Trilogy Diamond Rings Bar Setting in Platinum 3

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Channel Setting Round Platinum U shape Trilogy Engagement Ring

From $1,610

Round Trilogy Diamond Rings Prong Setting in Yellow Gold 1
Round Trilogy Diamond Rings Prong Setting in Yellow Gold 2
Round Trilogy Diamond Rings Prong Setting in Yellow Gold 3

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4 Prong Round Platinum Ending claws equal size Trilogy Engagement Ring

From $1,565

Round Trilogy Diamond Rings Bezel Setting in Platinum 1
Round Trilogy Diamond Rings Bezel Setting in Platinum 2
Round Trilogy Diamond Rings Bezel Setting in Platinum 3

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Bezel Setting Round Platinum Rub over Trilogy Engagement Ring

From $1,614

Princess Trilogy Diamond Ring 4 Prong Setting in Rose Gold / Platinum 1
Princess Trilogy Diamond Ring 4 Prong Setting in Rose Gold / Platinum 2
Princess Trilogy Diamond Ring 4 Prong Setting in Rose Gold / Platinum 3

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4 Prong Princess Platinum With pear on side Trilogy Engagement Ring

From $1,501

White gold Princess Trilogy Diamond Ring 4 Prong Setting 1
White gold Princess Trilogy Diamond Ring 4 Prong Setting 2
White gold Princess Trilogy Diamond Ring 4 Prong Setting 3

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4 Prong Princess Platinum Basket setting Trilogy Engagement Ring

From $1,948

Trilogy Round Diamond Ring in White Gold 4 Prong Setting 1
Trilogy Round Diamond Ring in White Gold 4 Prong Setting 2
Trilogy Round Diamond Ring in White Gold 4 Prong Setting 3

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4 Prong Round Platinum Crossover claws high set Trilogy Engagement Ring

From $1,816

Rose Gold Trilogy Round Diamond Ring 4 Prong Set 1
Rose Gold Trilogy Round Diamond Ring 4 Prong Set 2
Rose Gold Trilogy Round Diamond Ring 4 Prong Set 3

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4 Prong Round Platinum Ending shared claws Trilogy Engagement Ring

From $1,683

4 Claws Set Round Trilogy Diamond Ring in White Gold / Platinum 1
4 Claws Set Round Trilogy Diamond Ring in White Gold / Platinum 2
4 Claws Set Round Trilogy Diamond Ring in White Gold / Platinum 3

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4 Prong Round Platinum V style setting Trilogy Engagement Ring

From $1,728

Emerald Trilogy Diamond Ring 4 Prong Setting in White gold 1
Emerald Trilogy Diamond Ring 4 Prong Setting in White gold 2
Emerald Trilogy Diamond Ring 4 Prong Setting in White gold 3

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4 Prong Emerald Platinum Raised setting shared claw Trilogy Engagement Ring

From $2,342

Rose / White Gold Princess Trilogy Diamond Ring in 4 Prong Setting 1
Rose / White Gold Princess Trilogy Diamond Ring in 4 Prong Setting 2
Rose / White Gold Princess Trilogy Diamond Ring in 4 Prong Setting 3

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4 Prong Princess Platinum With baguette on side Trilogy Engagement Ring

From $1,869

4 Prong Setting Oval Trilogy Diamond Rings in White gold / Platinum 1
4 Prong Setting Oval Trilogy Diamond Rings in White gold / Platinum 2
4 Prong Setting Oval Trilogy Diamond Rings in White gold / Platinum 3

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4 Prong Oval Platinum Solara Trilogy Engagement Ring

From $1,818

4 Prong Setting Oval Trilogy Diamond Rings in Yellow Gold 1
4 Prong Setting Oval Trilogy Diamond Rings in Yellow Gold 2
4 Prong Setting Oval Trilogy Diamond Rings in Yellow Gold 3

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4 Prong Oval Platinum With round side Trilogy Engagement Ring

From $1,689

4 Prong Setting Emerald Trilogy Diamond Rings in Rose gold 1
4 Prong Setting Emerald Trilogy Diamond Rings in Rose gold 2
4 Prong Setting Emerald Trilogy Diamond Rings in Rose gold 3

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4 Prong Emerald Platinum With pear on side Trilogy Engagement Ring

From $1,948

Round Trilogy Diamond Rings 6 Prong Setting in White gold / Platinum 1
Round Trilogy Diamond Rings 6 Prong Setting in White gold / Platinum 2
Round Trilogy Diamond Rings 6 Prong Setting in White gold / Platinum 3

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6 Prong Round Platinum Crown set Trilogy Engagement Ring

From $1,638

Round Trilogy Diamond Rings 6 Prong Setting Yellow / White Gold 1
Round Trilogy Diamond Rings 6 Prong Setting Yellow / White Gold 2
Round Trilogy Diamond Rings 6 Prong Setting Yellow / White Gold 3

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6 Prong Round Platinum Vintage style Trilogy Engagement Ring

From $1,620

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