Diamond Necklaces | Halo, Solitaire, Tennis & Lab-Grown

Diamond & Lab-Grown Necklace Collection

Timeless Craftsmanship. Personal Expression. Ethical Luxury.

At Stienhardt & Stones, our diamond and lab-grown diamond necklaces are designed to celebrate life’s most meaningful moments. Each necklace is crafted by expert jewelers using ethically sourced, IGI-certified lab-grown diamonds and premium metals, including platinum, 14K yellow gold, and 14K white gold.

From minimalist solitaire diamond necklaces to bold tennis necklaces and refined halo designs, our collection blends heritage craftsmanship with modern sustainability—perfect for everyday elegance, gifting, and milestone celebrations.

Buy diamond necklaces online with confidence, transparency, and lasting value.

Halo Diamond Necklace

A halo diamond necklace features a center diamond surrounded by smaller accent diamonds. This design enhances sparkle and makes the center stone appear larger.

Popular reasons to choose a halo necklace:

• Adds extra brilliance and dimension

• Works beautifully with round and oval diamonds

• Ideal for formal and everyday wear

👉 Shop Halo Diamond Necklaces

Solitaire Diamond Necklaces

Pure Elegance. One Perfect Diamond.

Solitaire diamond necklaces highlight a single, expertly cut diamond—timeless, symbolic, and endlessly versatile. Available in both natural and lab-grown diamonds, these necklaces are ideal for layering or wearing solo.

Available options:

• 1ct lab-grown diamond necklace

• 2 carat diamond solitaire necklace

• ½ ct diamond solitaire necklace

• Diamond solitaire necklace in yellow gold or white gold

A favorite for bridal jewelry, anniversary gifts, and signature everyday pieces.

👉 Explore Solitaire Diamond Necklaces

Diamond Tennis Necklaces

Continuous Brilliance. Statement Luxury.

Diamond tennis necklaces feature an uninterrupted line of perfectly matched diamonds, delivering unmatched brilliance and sophistication. Choose from lab-grown or natural diamonds in a range of carat weights.

Our collection includes:

• Lab-grown diamond tennis necklaces

• 1 ct, 10 ct, 15 ct, and 20 carat diamond tennis necklaces

• 14K white gold tennis necklace

• Platinum diamond tennis necklace

• Vintage-inspired tennis necklaces

Ideal for formal events, luxury gifting, or elevated layering.

👉 View Diamond Tennis Necklaces

Diamond Pendant Necklaces

Personal, Meaningful, Timeless

Diamond pendant necklaces offer effortless elegance and personal expression. Whether minimalist or symbolic, these designs are perfect for everyday wear.

Featured styles:

• Diamond pendant necklace (1 carat)

• Floating bezel diamond necklace

• Marquise diamond pendant necklace

• Cushion-cut diamond pendant

• Heart-shaped diamond pendant necklace

• Trio diamond necklace

Available in yellow gold, white gold, and platinum, pendant necklaces are ideal for gifting or self-expression.

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Fashion Diamond Necklaces

Modern Design. Elevated Layering.

Our fashion diamond necklaces are designed for contemporary styling and effortless layering. These pieces blend modern silhouettes with fine-jewelry craftsmanship.

Styles include:

• Diamond station necklace in gold

• Diamond design necklace

• Necklace with small diamond pendant

• Short diamond necklaces for layering

• 16-inch herringbone necklace (14K)

• Paper clip diamond necklace

Perfect for creating a luxury layered look.

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Custom & Build-Your-Own Diamond Necklaces

Design a Necklace as Unique as Your Story

Create a bespoke diamond necklace with Stienhardt & Stones. Our customization experience allows you to craft a piece that reflects your personal style.

Customization options include:

• Build your own diamond necklace

• Choose lab-grown or natural diamonds

• Select carat size (½ ct, 1 ct, 2 ct+)

• Pick metal: yellow gold, white gold, or platinum

• Styles: halo, solitaire, pendant, or tennis

Each custom necklace is ethically sourced, expertly crafted, and made to last generations.

👉 Design Your Custom Necklace

Caring for Your Diamond Necklace

Preserve Brilliance for a Lifetime

• Clean gently using mild soap and a soft brush

• Store necklaces individually to avoid tangling

• Avoid harsh chemicals such as chlorine or bleach

• Inspect clasps and settings periodically

Proper care ensures your diamond or lab-grown diamond necklace remains radiant for years.

Why Choose Stienhardt & Stones

• IGI-certified lab-grown diamonds

• Ethical, conflict-free sourcing

• Expert craftsmanship & transparent pricing

• Luxury quality without the mined-diamond markup

From diamond tennis necklaces in yellow gold to 1ct lab-grown diamond pendants, every piece reflects beauty, integrity, and timeless design.

👉 Shop the Necklace Collection