How to Celebrate Your 40th in Style — With a Touch of Princess-Cut Tennis Bracelet

Turning 40 is a big deal—it's a milestone that deserves celebration, style, and a touch of luxury. And if you’re reading this, it means you’re ready to step into your 40s with flair. But why is 40 so special?

According to Psychology Today, the right side of 40 brings a sense of happiness many don’t expect. As Deborah Heiser Ph.D. explains, we're often better at handling emotions as we age, which makes us more positive and ready to celebrate life’s wins—big and small. So, what better reason to throw a fabulous party?

In this style guide, let’s dive into five spectacular ways to celebrate your 40th birthday, each paired with luxurious jewelry pieces, including our princess-cut tennis bracelets. Whether you’re planning an elegant dinner or a glamorous soiree, we’ll help you sparkle through every moment. Let’s make your birthday unforgettable!

1. Glamorous Black-Tie Dinner

You’ve made it to 40, and it’s time to own the spotlight with a black-tie dinner. Think sleek gowns, satin suits, and classic elegance. This is where the Princess Midi Stack Diamond Tennis Bracelet truly shines.

Set with a double row of alternating 3x3mm princess-cut and baguette white diamonds, this bracelet boasts over 9 carats of sparkle, making it the perfect choice for a sophisticated yet dazzling look.

Pair the princess-cut tennis bracelet with a floor-length satin dress in deep jewel tones like emerald or midnight blue. And since we’re going for a head-turning vibe, layer it with our Classic Diamond 36" Inch 50/50 Tennis Necklace.

This versatile necklace can be worn long or doubled up for a more dramatic effect. Add a statement ring—like our One of a Kind Opal Doublet Shield Ring —for a hint of whimsy, and you’re all set to command the room.

2. Rooftop Cocktail Party

There’s something magical about celebrating under the stars, and a rooftop cocktail party is the perfect setting for a 40th birthday. Here, you’ll want to keep things chic yet playful.

A jumpsuit or a little black dress paired with our Block-Chain Full Pave Diamond Thin Bracelet from the Edgy Casual collection is just what you need. Its modern edge pairs beautifully with a fun, cocktail-friendly vibe.

For those with a May birthday—or anyone who loves a pop of green—our Princess Midi Stack Emerald Tennis Bracelet is a fabulous choice. The rich emeralds paired with baguette diamonds give a nod to prosperity, making it a perfect piece for a birthday celebration.

Complete the look with our La Fantaisie Star Diamond Signet Ring for a touch of imaginative elegance, and don’t forget to shop rings for other stunning options like our Double Short Stack Emerald Half Band. It’s all about creating a layered, sparkling look that matches the twinkling city lights.

3. Spa Day & Dinner with Friends

Sometimes, the best way to celebrate is to unwind. Start your day with a luxurious spa session, then head out for a relaxed dinner with close friends.

A spa day is all about comfort and understated elegance, which is where our Edgy Casual collection comes in. Pair the Classic Diamond Tennis Bracelet with a simple wrap dress or soft cashmere set for that effortless chic vibe.

As the day transitions into night, layer on the Classic Gold Full Pave Tennis Necklace —its 13.25 carats of pave white diamonds add just the right amount of shimmer.

And if you’re feeling bold, mix in a Classic Gold Full Baguette Milli Eternity Band for a touch of flair. Its flexible design allows you to wear it on multiple fingers, making it a versatile addition to your birthday look.

4. Elegant Garden Soiree

If you’re celebrating your 40th amidst the blooms, an elegant garden party is just the ticket. Flowing dresses, natural makeup, and delicate accessories will complete your al fresco ensemble.

Our Princess Midi Stack Diamond Tennis Bracelet is a lovely choice for a garden party, bringing just the right amount of sparkle to the outdoor setting. Pair it with an ethereal dress in blush or sage tones and layer on the Classic Diamond 36" Inch 50/50 Tennis Necklace for a delicate touch.

And for those who like to add a personal twist, the Double Short Stack Emerald Half Band complements the princess-cut tennis bracelet beautifully. It’s the perfect way to celebrate among friends, flowers, and the warm glow of fairy lights.

5. Glitz & Glam Night Out

Sometimes, you’ve just got to hit the town. Whether it’s your favorite club, a live concert, or a trendy restaurant, a night out calls for a little extra sparkle. This is your moment to let loose, have fun, and dance the night away.

Stack up the Princess Midi Stack Diamond Tennis Bracelet with other pieces from our Edgy Casual collection, like the Block-Chain Full Pave Diamond Thin Bracelet. When you layer these bracelets, you’re making a bold statement that’s all about fun and fashion. Add the One of a Kind Opal Doublet Shield Ring for a conversation starter that’ll get everyone talking.

When it comes to necklaces, go for our Classic Diamond 36" Inch 50/50 Tennis Necklace or the Classic Gold Full Pave Tennis Necklace —either one will drape perfectly over a sleek satin top or a shimmering jumpsuit. And don’t forget to shop rings for the perfect finishing touch. Our La Fantaisie Star Diamond Signet Ring adds that hint of mystery, making your night out truly unforgettable.

Celebrate with Sparkle

Turning 40 is all about embracing a new chapter, and what better way to do that than with a little extra bling? From our princess-cut tennis bracelets to pieces in the Edgy Casual collection, there’s a perfect accessory for every type of celebration. So whether you’re getting dolled up for a black-tie dinner or having a laid-back dinner with friends, remember: this milestone is worth celebrating in style.

And as Psychology Today suggests, we’re happier as we grow older, so why not mark that happiness with something extraordinary? After all, 40 is a time to embrace all the fabulous things life has to offer—starting with you!