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Vintage & Antique Engagement Rings Platt Boutique Jewelry Los Angeles

Unique Engagement Rings

Our Unique Engagement Rings collection is curated for those seeking something truly distinctive — rings that break from convention while honoring exceptional craftsmanship, history, and individuality. At Platt Boutique Jewelry, we believe an engagement ring should feel as personal as the love it represents, which is why this collection highlights rare designs, unexpected gemstones, and one-of-a-kind antique and vintage pieces.

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Victorian 4.39 Ct. Oval Sapphire & Diamond Cluster Engagement Ring

Victorian 4.39 Ct. Oval Sapphire & Diamond Cluster Engagement Ring

Victorian 4.39 Ct. Oval Sapphire & Diamond Cluster Engagement Ring

1.53 Ct. Step Cut Diamond ‘Robyn Ring’ from Bespoke by Platt

1.53 Ct. Step Cut Diamond ‘Robyn Ring’ from Bespoke by Platt

1.53 Ct. Step Cut Diamond ‘Robyn Ring’ from Bespoke by Platt

Victorian 0.61 Ct. Old European Cut Diamond Tiara Ring

Victorian 0.61 Ct. Old European Cut Diamond Tiara Ring

Victorian 0.61 Ct. Old European Cut Diamond Tiara Ring

Victorian 1.25 Ctw. Old Mine Cut Diamond Cluster Ring

Victorian 1.25 Ctw. Old Mine Cut Diamond Cluster Ring

Victorian 1.25 Ctw. Old Mine Cut Diamond Cluster Ring

Art Deco 0.80 Ct. Old European Cut Diamond Ornate Domed Ring

Art Deco 0.80 Ct. Old European Cut Diamond Ornate Domed Ring

Art Deco 0.80 Ct. Old European Cut Diamond Ornate Domed Ring

Art Deco 1.25 Ct. Sapphire & Diamond Round Dinner Ring

Art Deco 1.25 Ct. Sapphire & Diamond Round Dinner Ring

Art Deco 1.25 Ct. Sapphire & Diamond Round Dinner Ring

Edwardian 0.91 Ct. & 0.65 Ct. Old Mine Cut Diamond Toi et Moi Ring

Edwardian 0.91 Ct. & 0.65 Ct. Old Mine Cut Diamond Toi et Moi Ring

Edwardian 0.91 Ct. & 0.65 Ct. Old Mine Cut Diamond Toi et Moi Ring

Art Deco 2.25 Ct. Color Change Sapphire & Diamond Cluster Ring

Art Deco 2.25 Ct. Color Change Sapphire & Diamond Cluster Ring

Art Deco 2.25 Ct. Color Change Sapphire & Diamond Cluster Ring

Victorian 1.60 Ct. Lozenge Cut Diamond Solitaire Engagement Ring

Victorian 1.60 Ct. Lozenge Cut Diamond Solitaire Engagement Ring

Victorian 1.60 Ct. Lozenge Cut Diamond Solitaire Engagement Ring

Art Deco 1.38 Ct. Old European Cut Diamond 3-Stone Ring

Art Deco 1.38 Ct. Old European Cut Diamond 3-Stone Ring

Art Deco 1.38 Ct. Old European Cut Diamond 3-Stone Ring

Victorian 0.77 Ct. Old Mine Cut Diamond Solitaire Engagement Ring

Victorian 0.77 Ct. Old Mine Cut Diamond Solitaire Engagement Ring

Victorian 0.77 Ct. Old Mine Cut Diamond Solitaire Engagement Ring

Vintage Art Deco 0.70 Ctw. Old European Cut Diamond Toi et Moi Engagement Ring

Vintage Art Deco 0.70 Ctw. Old European Cut Diamond Toi et Moi Engagement Ring

Art Deco 0.70 Ctw. Old European Cut Diamond Toi et Moi Engagement Ring

Art Deco 0.50 Ctw. Old European Cut Diamond Navette Ring

Art Deco 0.50 Ctw. Old European Cut Diamond Navette Ring

Art Deco 0.50 Ctw. Old European Cut Diamond Navette Ring

3.53 Ct Marquise Cut Orangish Brown Diamond Solitaire Ring from Bespoke by Platt

3.53 Ct Marquise Cut Orangish Brown Diamond Solitaire Ring from Bespoke by Platt

3.53 Ct Marquise Cut Orangish Brown Diamond Solitaire Ring from Bespoke by Platt

2.62 Ct. Old Mine Cut Diamond & Onyx Engagement Ring from Bespoke by Platt

2.62 Ct. Old Mine Cut Diamond & Onyx Engagement Ring from Bespoke by Platt

2.62 Ct. Old Mine Cut Diamond & Onyx Engagement Ring from Bespoke by Platt

Victorian 0.91 Ct. Old European Cut Diamond Swirling Domed Gypsy Ring

Victorian 0.91 Ct. Old European Cut Diamond Swirling Domed Gypsy Ring

Victorian 0.91 Ct. Old European Cut Diamond Swirling Domed Gypsy Ring

Victorian 0.96 Ct. Old European Cut Diamond Ornate 3-Stone Ring

Victorian 0.96 Ct. Old European Cut Diamond Ornate 3-Stone Ring

Victorian 0.96 Ct. Old European Cut Diamond Ornate 3-Stone Ring

Victorian 0.83 Ct. Old European Cut Diamond Ornate 3-Stone Ring

Victorian 0.83 Ct. Old European Cut Diamond Ornate 3-Stone Ring

Victorian 0.83 Ct. Old European Cut Diamond Ornate 3-Stone Ring

Art Deco 1.24 Ctw. Transitional Cut Diamond & Sapphire 2-Stone Ring

Art Deco 1.24 Ctw. Transitional Cut Diamond & Sapphire 2-Stone Ring

Art Deco 1.24 Ctw. Transitional Cut Diamond & Sapphire 2-Stone Ring

Art Deco 1.80 Ct. Palin Sapphire & Diamond Ring

Gold ring with a large brown gemstone and smaller clear stones on a white background

Gold ring with a large brown gemstone and smaller clear stones on a white background

5.21 Ct. Fancy Yellowish Brown Emerald Cut Diamond Ring from Bespoke by Platt

Diamond ring with three large gemstones on a white background

Diamond ring with a white background

Art Deco 0.98 Ct. Old European Cut Diamond 3-Stone Engagement Ring

Art Nouveau 1.12 Ct. Old European Cut Diamond & Pearl Blue Enamel Ring

2.80 Ct. Old Mine Cut Diamond Solitaire Ring from Bespoke by Platt

1.31 Ct. Old European Cut Diamond 3-Stone Ring from Bespoke by Platt

Mid-Century 1.00 Ctw. Old European Cut Diamond Cluster Toi et Moi Ring

1.81 Ct. Triangular Step Cut Diamond Solitaire from Bespoke by Platt

1.35 Ct. Old European Cut Diamond 3-Stone Ring from Bespoke by Platt

Mid-Century 1.00 Ctw. Rose Cut Diamond 3-Stone Ring

2.17 Ct. Radiant Cut Fancy Intense Yellow Diamond Engagement Ring

Art Deco 1.10 Ct. Emerald & Diamond Square Ring

Mid-Century 3.41 Ct. Sapphire & Diamond Ring

Mid-Century 5.92 Ct. Yellow Sapphire & Diamond Ring

Art Deco 1.79 Ctw. Old European Cut Diamond Navette Dinner Ring

Mid-Century 0.89 Ctw. Transitional Cut Diamond Toi Et Moi Ring

Victorian 1.00 Ct. Old European Cut Diamond 5-Stone Ring

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ENGAGEMENT RINGS & BRIDAL

BESPOKE BY PLATT

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