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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

Solitaire

Halo

Side Stone

Illusion Set

Toi Et Moi

Couples

Twisted

Gemstone

Diamond Band

Unique

Unusual

Antique

Vintage

Minimalist

Men's Rings

Women's Rings

Black Diamond Rings

Ruby Rings

Tanzanite Rings

Emerald Rings

Blue Sapphire Rings

Aquamarine Rings

Moissanite Rings

Oval Rings

Amethyst Rings

Lab Grown DiamondDiamond

274 Results

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FILTER

Style

Trilogy

Halo

Illusion Set Rings

Unique

Unusual

Antique

Minimalist

Solitaire

Side Stone

Cluster Rings

Toi Et Moi

Couples

Twisted Engagement Ring

Gemstone

Diamond Band

Vintage

Metal

Platinum

WG

White Gold

YG

Yellow Gold

RG

Rose Gold

Stone type

Lab Grown Diamond

Diamond

Moissanite

Ruby

Emerald

Blue Sapphire

Garnet

Tanzanite

Black Diamond

Shape

Round

Princess

Emerald

Asscher

Oval

Pear

Marquise

Cushion

Radiant

Emerald/Round

Heart/Baguette

Heart/Pear

Marquise/Baguette

Marquise/Round

Oval/Round

Oval/Trillion

Princess/Baguette

Princess/Pear

Princess/Round

Princess/Trillion

Radiant/Pear

Round/Pear

Round/Trillion

Setting Type

3 Prong

4 Prong

6 Prong

Channel Setting

Pave Setting

Bezel Setting

By Recipient

Women's
Men's

Carat

1 Carat
1.5 Carat
2 Carat
3 Carat
Marquise Trilogy Diamond Rings 6 Prong Setting in White gold 1
Marquise Trilogy Diamond Rings 6 Prong Setting in White gold 2
Marquise Trilogy Diamond Rings 6 Prong Setting in White gold 3

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6 Prong Marquise Platinum And pear shape Trilogy Engagement Ring

From $2,152

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 $1,938

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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Cathedral Platinum Shoulder set Trilogy Engagement Ring

From $2,009

Split Shoulder Emerald Diamond Trilogy Engagement Rings 1
Split Shoulder Emerald Diamond Trilogy Engagement Rings 2
Split Shoulder Emerald Diamond Trilogy Engagement Rings 3

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High Set Emerald Platinum Split shoulder Trilogy Engagement Ring

From $2,003

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

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4 Prong Oval/Round Platinum Crossover claws accented Trilogy Engagement Ring

From $1,887

Cross Over Setting Round Trilogy Diamond Ring in gold / Platinum 1
Cross Over Setting Round Trilogy Diamond Ring in gold / Platinum 2
Cross Over Setting Round Trilogy Diamond Ring in gold / Platinum 3

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High Set Round Platinum Crossover claws Trilogy Engagement Ring

From $1,742

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 $1,938

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 $1,442

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 $1,869

Emerald Shape Diamond Trilogy Engagement Rings in Gold and Platinum 1
Emerald Shape Diamond Trilogy Engagement Rings in Gold and Platinum 2
Emerald Shape Diamond Trilogy Engagement Rings in Gold and Platinum 3

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High Set Emerald Platinum Crossover claws with gallery Trilogy Engagement Ring

From $1,771

Emeral and Round Diamond Trilogy Engagement Rings for Women 1
Emeral and Round Diamond Trilogy Engagement Rings for Women 2
Emeral and Round Diamond Trilogy Engagement Rings for Women 3

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High Set Emerald/Round Platinum Crossover high set Trilogy Engagement Ring

From $1,754

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

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Cathedral Round Platinum Twisting shoulder Trilogy Engagement Ring

From $2,134

4 Prong Princess Cut Diamond Three Stone Engagement Rings 1
4 Prong Princess Cut Diamond Three Stone Engagement Rings 2
4 Prong Princess Cut Diamond Three Stone Engagement Rings 3

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High Set Princess Platinum Basket set Trilogy Engagement Ring

From $1,771

Cross Over Claws Three Equal Diamonds Trilogy Engagement Rings 1
Cross Over Claws Three Equal Diamonds Trilogy Engagement Rings 2
Cross Over Claws Three Equal Diamonds Trilogy Engagement Rings 3

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Low Set Round Platinum Wavy setting Trilogy Engagement Ring

From $1,752

Emerald Trilogy Diamond Rings 4 Prong Setting in Platinum 1
Emerald Trilogy Diamond Rings 4 Prong Setting in Platinum 2
Emerald Trilogy Diamond Rings 4 Prong Setting in Platinum 3

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High Set Emerald Platinum With baguette on side Trilogy Engagement Ring

From $1,936

Graduating Round Diamond Trilogy Engagement Rings in 1
Graduating Round Diamond Trilogy Engagement Rings in 2
Graduating Round Diamond Trilogy Engagement Rings in 3

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Low Set Round Platinum Contemporary setting Trilogy Engagement Ring

From $1,742

High Setting Diamond Trilogy Engagement Rings with Diamonds on Shoulder 1
High Setting Diamond Trilogy Engagement Rings with Diamonds on Shoulder 2
High Setting Diamond Trilogy Engagement Rings with Diamonds on Shoulder 3

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Cathedral Round Platinum Channel set side Trilogy Engagement Ring

From $2,169

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 $2,936

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 $1,814

Prong Setting Round / Pear Trilogy Diamond Engagement Ring in Platinum 1
Prong Setting Round / Pear Trilogy Diamond Engagement Ring in Platinum 2
Prong Setting Round / Pear Trilogy Diamond Engagement Ring in Platinum 3

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High Set Round/Pear Platinum Crossover claws Trilogy Engagement Ring

From $2,083

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 $1,701

prong setting round and side diamond ring 1
prong setting round and side diamond ring 2
prong setting round and side diamond ring 3

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Low Set Round Platinum Trilogy Engagement Ring

From $4,884

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 $1,167

Pear Shape Diamond Three Stone Engagement Rings 1
Pear Shape Diamond Three Stone Engagement Rings 2
Pear Shape Diamond Three Stone Engagement Rings 3

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Prong Pear Platinum Trinity Trilogy Engagement Ring

From $2,040

Prong Setting Round Trilogy Diamond Engagement Ring White gold 1
Prong Setting Round Trilogy Diamond Engagement Ring White gold 2
Prong Setting Round Trilogy Diamond Engagement Ring White gold 3

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Cathedral Round Platinum High set graduated Trilogy Engagement Ring

From $1,938

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

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4 Prong Oval Platinum And pear shape Trilogy Engagement Ring

From $1,897

Prong Setting Round & Pear Trilogy Diamond Engagement Ring 1
Prong Setting Round & Pear Trilogy Diamond Engagement Ring 2
Prong Setting Round & Pear Trilogy Diamond Engagement Ring 3

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Cathedral Round/Pear Platinum High set Trilogy Engagement Ring

From $1,950

Popular Style Round & Pear Shape Trilogy Diamond Engagement Rings 1
Popular Style Round & Pear Shape Trilogy Diamond Engagement Rings 2
Popular Style Round & Pear Shape Trilogy Diamond Engagement Rings 3

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Cathedral Round/Pear Platinum With gallery Trilogy Engagement Ring

From $2,044

4 Prong Setting Round Trilogy Diamond Rings in Platinum 1
4 Prong Setting Round Trilogy Diamond Rings in Platinum 2
4 Prong Setting Round Trilogy Diamond Rings in Platinum 3

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Cathedral Round Platinum V setting style Trilogy Engagement Ring

From $1,812

Prong Setting Emerald Trilogy Diamond Engagement Ring in Rose gold 1
Prong Setting Emerald Trilogy Diamond Engagement Ring in Rose gold 2
Prong Setting Emerald Trilogy Diamond Engagement Ring in Rose gold 3

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4 Prong Emerald Platinum Crossover claws Trilogy Engagement Ring

From $1,993

Princess & Pear Diamond Trilogy Engagement Rings for Women 1
Princess & Pear Diamond Trilogy Engagement Rings for Women 2
Princess & Pear Diamond Trilogy Engagement Rings for Women 3

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Cathedral Princess/Pear Platinum High set Trilogy Engagement Ring

From $1,883

Classic Round Cut Diamond Trilogy Engagement Rings 1
Classic Round Cut Diamond Trilogy Engagement Rings 2
Classic Round Cut Diamond Trilogy Engagement Rings 3

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High Set Round Platinum Basket set equal size Trilogy Engagement Ring

From $1,752

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 $1,744

4 prong setting round shape a breathaking diamond three stone ring with shoulder stone 1
4 prong setting round shape a breathaking diamond three stone ring with shoulder stone 2
4 prong setting round shape a breathaking diamond three stone ring with shoulder stone 3

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4 Prong Round Platinum Unique accented Trilogy Engagement Ring

From $2,574

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 $1,911

Oval in Centre and Round Side Diamond Trilogy Engagement Rings 1
Oval in Centre and Round Side Diamond Trilogy Engagement Rings 2
Oval in Centre and Round Side Diamond Trilogy Engagement Rings 3

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4 Prong Oval/Round Platinum Raised set Trilogy Engagement Ring

From $1,754

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

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4 Prong Round Platinum Separate claws raised set Trilogy Engagement Ring

From $1,812

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 $1,932

4 Prong Setting Emerald Trilogy Diamond Rings in White Gold 1
4 Prong Setting Emerald Trilogy Diamond Rings in White Gold 2
4 Prong Setting Emerald Trilogy Diamond Rings in White Gold 3

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4 Prong Emerald Platinum Raised setting graduating Trilogy Engagement Ring

From $1,793

Princess Cut Diamond Trilogy Engagement Rings with Diamond on Shoulder 1
Princess Cut Diamond Trilogy Engagement Rings with Diamond on Shoulder 2
Princess Cut Diamond Trilogy Engagement Rings with Diamond on Shoulder 3

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4 Prong Princess Platinum Side stone graduated Trilogy Engagement Ring

From $1,771

Oval and Trillion Shape Diamond Trilogy Engagement Rings 1
Oval and Trillion Shape Diamond Trilogy Engagement Rings 2
Oval and Trillion Shape Diamond Trilogy Engagement Rings 3

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4 Prong Oval/Trillion Platinum Basket set Trilogy Engagement Ring

From $1,965

4 Prong Setting Emerald Trilogy Diamond Rings in Yellow / White Gold 1
4 Prong Setting Emerald Trilogy Diamond Rings in Yellow / White Gold 2
4 Prong Setting Emerald Trilogy Diamond Rings in Yellow / White Gold 3

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4 Prong Emerald Platinum And round graduated Trilogy Engagement Ring

From $1,795

Emerald Trilogy Diamond Rings 4 Prong Setting in Yellow / White Gold 1
Emerald Trilogy Diamond Rings 4 Prong Setting in Yellow / White Gold 2
Emerald Trilogy Diamond Rings 4 Prong Setting in Yellow / White Gold 3

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4 Prong Emerald Platinum And baguette Trilogy Engagement Ring

From $1,775

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 $1,840

Cross Over Prongs Setting Round Diamond Trilogy Engagement Rings 1
Cross Over Prongs Setting Round Diamond Trilogy Engagement Rings 2
Cross Over Prongs Setting Round Diamond Trilogy Engagement Rings 3

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4 Prong Round Platinum Crossover tapering shoulder Trilogy Engagement Ring

From $1,742

4 Prong Setting Studded Three Stone Ring Emerald Trilogy Diamond Ring 1
4 Prong Setting Studded Three Stone Ring Emerald Trilogy Diamond Ring 2
4 Prong Setting Studded Three Stone Ring Emerald Trilogy Diamond Ring 3

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4 Prong Emerald Platinum And round diamond on shoulder Trilogy Engagement Ring

From $2,003

4 Prong Setting Studded Three Stone Ring Emerald Trilogy Diamond Ring in 1
4 Prong Setting Studded Three Stone Ring Emerald Trilogy Diamond Ring in 2
4 Prong Setting Studded Three Stone Ring Emerald Trilogy Diamond Ring in 3

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4 Prong Emerald Platinum And round shoulder set Trilogy Engagement Ring

From $2,162

2 Prong Setting Marquise Trilogy Diamond Ring in White gold 1
2 Prong Setting Marquise Trilogy Diamond Ring in White gold 2
2 Prong Setting Marquise Trilogy Diamond Ring in White gold 3

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Cathedral Marquise Platinum With round on side Trilogy Engagement Ring

From $1,734

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