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Fine jewelry has always been the ultimate symbol of refinement, craftsmanship, and timeless luxury. Among the most coveted pieces in any high-end jewelry collection, statement necklaces crafted in 18k gold and adorned with diamonds or gemstones continue to dominate the world of elite fashion.

From the sculptural designs of David Yurman to the vibrant gemstone artistry of Suzanne Kalan and the Italian elegance of Roberto Coin, today’s most desirable necklaces combine heritage craftsmanship with modern glamour.

In this guide by Oh Digital Diary, we explore some of the most luxurious designer necklaces available at Bloomingdale's, perfect for collectors, fashion enthusiasts, and high-net-worth individuals seeking exceptional jewelry investments.

David Yurman Mercer Double Row Toggle Chain Necklace in 18K Gold With Diamonds

One of the most refined creations from David Yurman, the Mercer Double Row Toggle Chain Necklace blends contemporary structure with classic elegance.

Crafted in 18k yellow gold and embellished with diamonds, this necklace features a bold double-row chain and a distinctive toggle closure that elevates the design into a modern statement piece.

Why collectors love it:

• Luxurious 18k yellow gold construction
• Brilliant diamond accents for subtle sparkle
• Sculptural toggle clasp that adds character
• Perfect for both evening wear and power dressing

This piece embodies the quiet luxury aesthetic, making it an ideal addition to a refined jewelry wardrobe.

Discover the necklace here:

David Yurman Sculpted Cable Oval Link Necklace in 18K Yellow Gold

Another standout creation from David Yurman is the Sculpted Cable Oval Link Necklace, a modern interpretation of the brand’s iconic cable motif.

The bold 18mm oval links create a dramatic yet elegant silhouette, making the necklace perfect for those who appreciate architectural jewelry design.

Luxury highlights:

• Signature cable-inspired sculpting
• High-polish 18k yellow gold
• Statement size links for maximum impact
• Timeless piece suitable for layering

Explore the design:

Suzanne Kalan Bold Rainbow Sapphire & Diamond Tennis Necklace

For collectors who adore vibrant gemstones, the Rainbow Sapphire Tennis Necklace by Suzanne Kalan is a masterpiece of color and brilliance.

Set in 18k rose gold, the necklace features a dazzling sequence of multi-colored sapphires paired with diamonds, creating a radiant rainbow effect.

Why it stands out:

• Unique rainbow sapphire gradient
• Elegant tennis necklace silhouette
• High jewelry craftsmanship
• Ideal for gala events and luxury celebrations

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Roberto Coin Venetian Princess Carnivale Gemstone Collar Necklace

Italian luxury house Roberto Coin is known for combining romance with exquisite craftsmanship.

The Venetian Princess Carnivale Collar Necklace features multi-colored gemstones and diamonds set in 18k rose gold, inspired by the vibrant spirit of Venice.

Design highlights:

• Colorful gemstone composition
• Iconic Venetian Princess pattern
• Feminine rose gold setting
• Exceptional Italian craftsmanship

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David Yurman Sculpted Cable Flex Necklace With Diamonds

The Sculpted Cable Flex Necklace by David Yurman represents contemporary luxury with a refined edge.

Crafted in 18k yellow gold with diamonds, this piece offers flexibility and comfort while maintaining a bold sculptural appearance.

Luxury features include:

• Flexible design for effortless wear
• Pavé diamond accents
• Signature cable texture
• Perfect balance between statement and elegance

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David Webb 57th Street Oval Link Collar Necklace

For collectors seeking museum-worthy jewelry, the 57th Street Oval Link Collar Necklace by David Webb is a remarkable statement piece.

Crafted in platinum and 18k yellow gold, this sculptural necklace reflects the bold aesthetic that made David Webb a favorite among celebrities and collectors.

Why it’s exceptional:

• Combination of platinum and yellow gold
• Bold architectural link design
• Heritage craftsmanship from a legendary jewelry house
• A true collector’s investment piece

Explore this extraordinary necklace:

Why High-End Statement Necklaces Are a Smart Luxury Investment

Luxury necklaces from renowned houses such as David Yurman, Roberto Coin, and David Webb are more than accessories—they are collectible assets.

Reasons investors and collectors pursue them:

• Precious metals like 18k gold and platinum
• Rare gemstones and diamond craftsmanship
• Heritage brands with strong resale value
• Timeless designs that transcend trends

For high-net-worth individuals, these necklaces represent both luxury style and long-term value.

Final Thoughts

Whether you prefer the sculptural elegance of gold link necklaces, the sparkle of diamond-set pieces, or the vibrant beauty of rainbow sapphires, the world of high jewelry offers extraordinary options for collectors.

At Oh Digital Diary, we curate exceptional pieces that reflect timeless luxury, impeccable craftsmanship, and investment-worthy design.

Explore these exquisite necklaces and elevate your jewelry collection with pieces that will remain iconic for generations.