Tokyo Riviera Necklace

Name: Tokyo Riviera Necklace
Brand: IRALIS - JEWELRY
SKU: MMD-LGD-057
Price: 9900.0 CHF
Availability: InStock

Round brilliant cut necklace by IRALIS featuring lab-grown DEF color diamonds, Zurich designed

The Tokyo Riviera Necklace is a lab-grown diamond masterpiece that flows with quiet luxury. Each diamond is perfectly graduated in size, starting from delicate smaller stones in the middle of this necklace, gracefully leading to the radiant larger centerpiece at the front. Its graduated design and radiant brilliance bring refined sophistication to every neckline.

CHF 9,900.00

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The Tokyo Riviera Diamond Necklace is an extraordinary piece of refined beauty and thoughtful design. Featuring 6 carats of lab-grown round brilliant cut diamonds with colorless DEF grade and VS1-VS2 clarity, each stone is carefully graduated to guide the eye from delicate sparkle to a bold centerpiece. Set in a classic four-prong setting that enhances the fire of every diamond, this 45 cm necklace delivers timeless radiance and flawless proportion.

Customizable carat weights are available upon request. Meticulously crafted in your choice of 18k yellow, rose or white gold, this necklace offers enduring elegance. All our lab-grown diamond necklaces are made to order, ensuring a unique piece crafted just for you.

Total Carat Weight: 6 carats of lab-grown diamonds on a half riviera on picture

Setting: Classic four-prong setting that enhances the sparkle of each diamond

Diamond Shape: Round brilliant cut

Color Grade: DEF (colorless)

Clarity Grade: VS1-VS2

Length: 45 cm

Customization: Available in different carat weights, please enquire

One of a Kind: All our pieces are made to order

Lead Time: 2-10 weeks. For rush orders please email

Please refer to further specifications in the product description

Lab-grown diamonds are 100% real diamonds.
They’re chemically, physically and visually identical but without the ethical concerns of mined diamonds.

All our diamonds come in the best color grading D/E/F (white), with a clarity of VVS, VS (no visible inclusions for the naked eye) and they are IGI/GIA/HRD certified from 1 carat/stone.

Our fine jewelry is made to last. We exclusively use high-quality precious metals for all of our rings, necklaces, bracelets, and earrings. That means solid, 18-karat & 14-karat recycled gold as well as Platinum for eternity and engagement rings.

Every IRALIS piece is handcrafted by skilled artisans in Europe. Most pieces are made-to-order exclusively for you, with a lead time of 2–10 weeks. Select pieces from our Ready to Ship collection are available for delivery within 5–7 business days. From order to arrival, we keep you informed every step of the way.

We send all shipments by registered, insured post, your signature confirms safe receipt of your order.

Since we know your piece might be on its way to someone special, we never use branded packaging. Every order ships from a private address, so the surprise stays intact. Inside, you'll find our signature gift-ready packaging, ready to be received exactly as it was meant.

Please make sure you've entered a valid delivery address and that someone is available to sign for the parcel on the day it arrives. If the recipient is at the delivery address instead of you, they'll sign for it, no problem at all.

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I had never bought a diamond before, so the thought of choosing the perfect engagement ring felt overwhelming—until I found IRALIS. From the very first consultation, Milena's team at IRALIS guided me through every step, explaining diamond quality, settings, and styles with incredible patience and expertise.
What truly set them apart was the option to create a dupe ring in silver with Cubic Zirconia, allowing my fiancée to see and try it before we ordered the final piece in 18K gold with a stunning diamond. This gave us both confidence that it was exactly what she wanted.
When the real ring arrived, she was absolutely in love—and so was I. The entire process was seamless, personalized, and stress-free. IRALIS didn’t just "sell" me a ring; they made sure I understood and felt confident in my choice. I couldn’t be happier! Thank you so much.
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I bought the Initial Bracelet as a personal reminder of my son, and I couldn’t love it more. The craftsmanship is stunning, and the design is elegant yet meaningful. The team at IRALIS made the experience special, ensuring every detail was perfect, even the fit was made to measure. Every time I wear it, I feel connected to him—it’s more than jewelry; it’s a piece of my heart.
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I wasn’t sure what to get my fiancée for our anniversary, but the consultation via web-call made all the difference. IRALIS guided me through every detail, helping me choose the St. Tropez Pear Necklace—a perfect, timeless piece. Seeing her reaction made the whole experience unforgettable.
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Hand Made in Italy, Belgium or Switzerland

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Frequently Asked Questions

Absolutely! Lab-grown diamonds are identical to mined diamonds, boasting the same chemical composition, crystal structure, and physical properties as their natural counterparts. The primary difference lies in their origin and the age of the carbon atoms. Only through using advanced technology, we can determine whether a diamond is from a lab or mined from the Earth.

Yes, they come in all different shapes, color and inclusion grades! Lab-grown diamonds can exhibit inclusions just like natural diamonds. This is a result of the growth process involved in their creation. During production in a controlled laboratory setting, fluctuations in temperature and pressure, impurities in the growth chamber, or interruptions can lead to the formation of inclusions. While inclusions are less common in lab-grown diamonds than in natural ones, they can still occur and vary in type, size, and visibility.

Lab-grown diamonds showcase the same exceptional hardness and durability as natural diamonds, earning a perfect score of 10 on the Mohs scale of mineral hardness. This means they are highly resistant to scratching and wear, making them ideal for everyday jewelry pieces like engagement rings, earrings, and bracelets.

The CVD Method

In the CVD (Chemical Vapor Deposition) process, a tiny diamond seed is placed in a vacuum chamber filled with carbon-rich gases. Once heated to extreme temperatures, the gas transforms into plasma, causing carbon particles to break free. These particles settle on the diamond seed, allowing it to grow into a magnificent gem.

The HPHT Method

The HPHT (High Pressure High Temperature) technique involves placing a diamond seed in carbon—the very material diamonds are made of. Subjected to intense heat and pressure, this method replicates the natural conditions under which diamonds form. As the carbon melts, it envelops the seed, and when it cools, a stunning diamond is born.

Yes! Lab-grown diamonds offer an ethical alternative to traditional diamonds. They don’t inflict the same environmental damage as diamond mining and are free from the ethical concerns such as blood diamonds, labor practices, community displacement and economic exploitations sometimes linked to natural diamonds.

Lab-grown diamonds not only provide an ethical and environmentally friendly choice, but they also offer incredible value for money without sacrificing quality.

The quality of lab-grown diamonds is assessed using the same criteria as natural diamonds—the renowned 4 C’s: Cut, Color, Clarity, and Carat weight.

The globally leading independent certification bodies, that also grade mined diamonds are IGI and GIA. An IGI or GIA report is the universal language of trust in the gemological world, ensuring your diamond's quality and authenticity.

Lab-grown diamonds undergo a careful transformation similar to natural diamonds, ensuring they shine beautifully in every piece of jewelry. The process starts with cutting, where skilled gem cutters shape the rough diamond to enhance its brilliance. Next, the diamond is polished to eliminate imperfections and maximize its shine.

A Word From Our Founder

"We believe true luxury transcends aesthetics. It's rooted in the thoughtfulness, purpose and care behind every fine jewelry creation. Our mission is to craft pieces that serve as lasting symbols of love, empowerment, and self-expression, designed to be cherished for generations.

In a world where material objects are often fleeting, our jewelry stands as a reminder that profound emotions deserve to be celebrated, worn, and shared.

Every piece we create is more than fine jewelry - it's a reflection of what
matters most."

MILENA DOLD-SCHEIDEGGER

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