With awards season in full swing and Valentine's Day right around the corner, fine jewelry has become a prevalent topic of discussion around the WhoWhatWear.com office. Hollywood's leading ladies, including Jessica Chastain, Jennifer Lawrence, and Diane Kruger, are hitting the red carpet draped in the world's most beautiful diamonds and gems, and the results are truly awe-inspiring. Today's slideshow turns the spotlight on some of those iconic fine jewelry brands, along with new designers that we feel are modern classics. We just have one thing to say: loved ones, please take notes!

Wearing: Chopard Diamond Necklace Set in Platinum 81 Diamonds (price upon request, 800.CHOPARD) and Diamond Stud Earrings with Emrald Cut Diamonds Set in 18-Karat White Gold (price upon request, 800.CHOPARD)

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Wearing: Aurelie Bidermann yellow gold lace cuff

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Étoile Filante Necklace (Price Upon Request, 1800.550.0005) in 18K White Gold

In celebration of the 80th anniversary of the "Bijoux de Diamants" exhibition-Chanel's first-ever fine jewelry collection-the fashion house is releasing 80 new designs inspired by Coco Chanel's constellation pieces. In addition to showcasing diamonds, pink sapphires, and pearls, the new 1932 Collection reinterprets Mademoiselle Chanel's infamous Comet & Star necklaces.

Celeb Fans:
Diane Kruger
Keira Knightley
January Jones

Panthère de Cartier Earrings ($8750, 212.753.0111)

Symbolized by the 1933 Director of Fine Jewelry Jeanne Toussaint's iconic panther, this storied luxury brand remains an industry leader, thanks to exquisite craftsmanship and timeless appeal.

Celeb Fans:
Charlize Theron
Gwen Stefani
Isla Fisher

Vintage Lace Cuff ($725)

The study of gems and getaways to exotic locales inform this Parisian designer's luxurious baubles.

Celeb Fans:
Beyonce
Jessica Chastain
Zoe Saldana

Wearing: Van Cleef & Arpels Hortense ring with 33.5-karat emerald-cut aquamarine and round diamonds set in 18-karat white gold from Pierres de Caractère Collection and Decollete ring with round diamonds set in 18-karat white gold from the Couture Collection

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Pave Diamond Angel Wing Pendant Necklace ($3300)

From the sleek love knots to intricately designed charms with a touch of novelty, this New York City-based brand manages to be both undeniably current and timeless.

Celeb Fans:
Miranda Kerr
Gisele Bundchen
Allison Williams

Shark Tooth Surfer Tiara Necklace ($30000, 212.826.8900)

Using materials sourced from India and the beaches of Mexico-think: shells, semi-precious stones, and fossilized shark teeth-Dezso stylist-turned-designer Sara Beltran transforms her love for the ocean into breathtaking jewels.

Celeb Fans:
Rihanna
Mary-Kate and Ashley Olsen
Naomi Watts

Wearing: Bulgari serpentine bracelet

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Jungle Fever Serpent Ring ($20559, 323.822.3600)

Specializing in bespoke jewelry, Daniel-Philip Belevitch's contemporary designs evoke an imaginative spirit, each piece containing the brand's signature pear-shaped tsavorite.

Celeb Fans:
Emma Watson
Rashida Jones
Nicole Scherzinger

Diamond Bar Ring ($450)

There's a reason celeb favorite Jennifer Meyer was runner-up at the 2012 CFDA Awards: her designs are endlessly chic. From the delicate letter necklaces to the stackable bangles, each collection is filled with wearable pieces that speak softly but make a statement.

Celeb Fans:
Rihanna
Emma Stone
Jennifer Garner

Anatomik Earring ($490, available March)

Eponymously named and designed by a fourth generation Fendi, influences come from a broad mix of anatomy, botanicals, and insects to create pieces that are poetic, a little delirious, and always require a double-take.

Celeb Fans:
Gwyneth Paltrow
Madonna
Shala Monroque

Delicate Egg Bangles ($1825) in Set of 3

Consider this collection the sophisticated big sister to the downtown darling Bing Bang. Sheffield-a 2007 CFDA Swarovski Award for Accessory Design nominee-creates talismanic pieces that are at once dark, edgy, and feminine.

Celeb Fans:
Jennifer Aniston
Abigail Spencer
Keri Russell

Folie des Pres Diamond and Blue Sapphire Clip Set (Price Upon Request, 1.877.VANCLEEF) in 18K White Gold

In addition to animals and plants, fairies are a Van Cleef & Arpels staple, signifying effortless femininity. The jewelry house revisits the theme with dancer clips covered in precious stones.

Celeb Fans:
Reese Witherspoon
Scarlett Johansson
Catherine Zeta-Jones

Victoria Serpente Cuff ($11,500)

A little over two years ago, sisters Nicole and Kim Carosella started this bespoke collection with a focus on sustainability-nearly all materials are recycled, reused, or repurposed for future creations.

Celeb Fans:
Nicole Richie
Naomi Campbell
Ashley Madekwe

Wearing: Chanel Fine Jewelry Plume Earrings in 18-Karat White Gold and Diamonds

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Mismatched Triangle Turquoise and Diamond Studs ($391)

Focused on using environmentally friendly production, Mociun (pronounced like "Motion") produces sweet little pieces of bijoux that are the perfect building blocks to start a jewelry collection.

Celeb Fans:
Anne Hathaway
Emma Stone
Amanda Seyfried

Black Diamond Flame Earrings ($2850)

Designers Lisa and Danielle Frankel mix dark and light elements to put an edgier spin on fine jewelry. Each piece has a bit of that uptown-meets-downtown down.

Celeb Fans:
Zooey Deschanel
Kerry Washington
Erin Wasson

Rose Gold Signature ID Bracelet ($5250)

Though monogrammed nameplates are a Garland cornerstone, it is designer Nicole Mann Novick's handmade, personalized pieces, including statement rings, bracelets, pendants, and wedding bands, that have earned the line a strong following.

Celeb Fans:
Olivia Wilde
Leighton Meester
Christina Aguilera

Wearing: Chanel Fine Jewelry earrings

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Provocante Necklace (Price upon request, 1.800.929.DIOR) in White Gold and Diamonds

Launched by Victoire de Castellane in 1998, Dior Joaillerie is the epitome of luxury. Castellane draws upon her costume jewelry background to create decadent clusters of oversized gems and diamonds.

Celeb Fans:
Jessica Alba
Marion Cotillard
Mila Kunis