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Stone Cut: Trillion Cut
14k Yellow Gold Halo Diamond Pin featuring a triangular Ceylon Yellow Sapphire
14k Yellow Gold Halo Diamond Pin featuring a triangular Ceylon Yellow Sapphire

14k Yellow Gold Halo Diamond Pin featuring a triangular Ceylon Yellow Sapphire

By OGI Ltd

Located in New York, NY

Radiant and refined, this 14k yellow gold halo pin centers a natural triangular Ceylon yellow sapphire of approximately 0.75 carats. The warm golden hue of the Sri Lankan sapphire is...

Category

2010s American Modern Trillion Cut Brooches

Materials

Diamond, Yellow Sapphire, Gold, 14k Gold, Yellow Gold

Retro 1940's Aquamarine Diamond Platinum 14K Yellow Gold Vintage Fanning Brooch
Retro 1940's Aquamarine Diamond Platinum 14K Yellow Gold Vintage Fanning Brooch

Retro 1940's Aquamarine Diamond Platinum 14K Yellow Gold Vintage Fanning Brooch

Located in Philadelphia, PA

Designed as a fanning gold tendril spray with rounded tips surrounding a trillion cut aquamarine Weighing approximately 8.30 carats total - transparent light blue color with medium s...

Category

1940s Retro Vintage Trillion Cut Brooches

Materials

Aquamarine, Diamond, Gold, 14k Gold, Yellow Gold, Platinum

Antique 12K Gold Old Mine Cut Diamond Cameo Filigree Pendant Brooch
Antique 12K Gold Old Mine Cut Diamond Cameo Filigree Pendant Brooch

Antique 12K Gold Old Mine Cut Diamond Cameo Filigree Pendant Brooch

Located in New York, NY

This exquisite brooch showcases a finely carved cameo of a woman's profile, adorned with delicate flowers. The cameo is encased in a 12K gold filigree frame, beautifully embellished ...

Category

Early 20th Century Trillion Cut Brooches

Materials

Diamond, Emerald, Gold, White Gold

Natural Diamond Tanzanite & Blue Sapphire Peacock Brooch 18K White Gold
Natural Diamond Tanzanite & Blue Sapphire Peacock Brooch 18K White Gold

Natural Diamond Tanzanite & Blue Sapphire Peacock Brooch 18K White Gold

Located in Deira, AE

Crafted to celebrate everyday elegance, our jewelry blends timeless design with modern craftsmanship. Each piece is thoughtfully made using high-quality materials, ensuring lasting s...

Category

21st Century and Contemporary American Contemporary Trillion Cut Brooches

Materials

Sapphire, Tanzanite, Blue Sapphire, Diamond, Gold, White Gold, 18k Gold

Natural Diamond Tanzanite & Blue Sapphire Peacock Brooch 14k White Gold
Natural Diamond Tanzanite & Blue Sapphire Peacock Brooch 14k White Gold

Natural Diamond Tanzanite & Blue Sapphire Peacock Brooch 14k White Gold

Located in Deira, AE

Crafted to celebrate everyday elegance, our jewelry blends timeless design with modern craftsmanship. Each piece is thoughtfully made using high-quality materials, ensuring lasting s...

Category

21st Century and Contemporary American Contemporary Trillion Cut Brooches

Materials

Tanzanite, Blue Sapphire, Sapphire, Diamond, White Gold, 18k Gold, Gold

GIA Certified Golden Cultured Pearl and Diamond Clover Brooch
GIA Certified Golden Cultured Pearl and Diamond Clover Brooch

GIA Certified Golden Cultured Pearl and Diamond Clover Brooch

Located in New York, NY

This beautiful, delicate golden cultured pearl and diamond clover brooch, features a centering triangular-cut diamond, weighing approximately 0.80 carats, surrounded by pearls rangin...

Category

21st Century and Contemporary Trillion Cut Brooches

Materials

Diamond, Cultured Pearl, 18k Gold, Silver Plate

Unisex 2.2 CTW Emerald Diamond Rabbit Brooch in 18k Solid White Gold
Unisex 2.2 CTW Emerald Diamond Rabbit Brooch in 18k Solid White Gold

Unisex 2.2 CTW Emerald Diamond Rabbit Brooch in 18k Solid White Gold

By VR Jewels

Located in New York, NY

Unisex 2.2 CTW Emerald Diamond Rabbit Brooch in 18K White Gold which is a fusion of surrealism and pop-art, designed to make a bold statement. Crafted with love and attention to deta...

Category

21st Century and Contemporary American Modern Trillion Cut Brooches

Materials

Diamond, Emerald, Gold, 18k Gold, White Gold

Germany 1920 Art Deco Carved Carnelian Buddha Brooch in Sterling and Marcasite
Germany 1920 Art Deco Carved Carnelian Buddha Brooch in Sterling and Marcasite

Germany 1920 Art Deco Carved Carnelian Buddha Brooch in Sterling and Marcasite

Located in Miami, FL

An art deco Buddha brooch made in Germany. Exceptional classic piece, created in Germany during the art deco period, back in the 1920. This brooch was...

Category

1920s German Art Deco Vintage Trillion Cut Brooches

Materials

Carnelian, Marcasite, Silver, Sterling Silver

Vintage brooch in the shape of a flower basket, emerald rhinestone USA 1940s
Vintage brooch in the shape of a flower basket, emerald rhinestone USA 1940s

Vintage brooch in the shape of a flower basket, emerald rhinestone USA 1940s

Located in Stuttgart, DE

Brooch in the shape of a flower basket with a large topas cut rhinestone as the flower vase inside are golden flowers with small gold rhinestones. The brooch was designed in the USA...

Category

1940s American Artisan Vintage Trillion Cut Brooches

Materials

Crystal, Base Metal

GIA/Guild 18K 1.22 Ct Vibrant Kijani Green Tsavorite&Diamond Brooches
GIA/Guild 18K 1.22 Ct Vibrant Kijani Green Tsavorite&Diamond Brooches

GIA/Guild 18K 1.22 Ct Vibrant Kijani Green Tsavorite&Diamond Brooches

Located in Kaohsiung City, TW

*GIA/Guild 18K 1.22 Ct Vibrant Kijani Green Tsavorite and Diamonds Brooch* GIA/Guild-certified natural vibrant Kijani Tsavorite weighing 1.22 ct set on the 18K white gold band with...

Category

21st Century and Contemporary Taiwanese Contemporary Trillion Cut Brooches

Materials

Diamond, Tsavorite, Gold, 18k Gold, White Gold

Beautiful Tiffany & Co. 18k Gold and 2.75ct Citrine Bow Brooch 11/16" x 1" 4.7 g
Beautiful Tiffany & Co. 18k Gold and 2.75ct Citrine Bow Brooch 11/16" x 1" 4.7 g

Beautiful Tiffany & Co. 18k Gold and 2.75ct Citrine Bow Brooch 11/16" x 1" 4.7 g

By Tiffany & Co.

Located in Sherman Oaks, CA

Brand: Tiffany & Co. Features 2 Pear-shaped Citrines weighing 2.75 carats Set in 18k Yellow Gold Gross Weight: 4.7 grams Dimensions: 11/16" x 1" Condition Notes: Very Good. Shows nat...

Category

1970s Vintage Trillion Cut Brooches

Materials

Citrine, 18k Gold, Yellow Gold

South Sea Pearl Diamond Gold Silver Shamrock Clover Brooch
South Sea Pearl Diamond Gold Silver Shamrock Clover Brooch

South Sea Pearl Diamond Gold Silver Shamrock Clover Brooch

Located in New York, NY

18k gold and silver shamrock brooch, set with three 11.2 - 11.8mm South Sea pearls and approx. 1.80ctw in diamonds. Brooch is 50mm x 45nn. Weight - 20.5 grams.

Category

20th Century Trillion Cut Brooches

Materials

Diamond, South Sea Pearl, Gold, Silver

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Located in Cairo, EG

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1890s Antique Trillion Cut Brooches

Antique Art Deco 14K White Gold Filigreed Old Cut Diamond & Sapphire Brooch
Antique Art Deco 14K White Gold Filigreed Old Cut Diamond & Sapphire Brooch

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Located in Houston, TX

Gender: Unisex Metal Type: 14K White Gold Length: 2.00 inches Width: 16.70 mm Weight: 5.26 grams One 14K White Gold Diamond and Sapphire art deco (1920-1930) brooch. The metal w...

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Antique Art Deco Platinum Old Cuts Diamonds Filigree Brooch
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Located in Houston, TX

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GIA Certified Natural Pearl & Diamond Brooch Victorian
GIA Certified Natural Pearl & Diamond Brooch Victorian

GIA Certified Natural Pearl & Diamond Brooch Victorian

Located in Northampton, MA

This simple and beautiful Victorian-era chatelaine brooch dates to about 1890 and features seven luminous GIA-certified natural saltwater pearls toge...

Category

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Materials

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18K White Gold Diamond & Sapphire Cluster Brooch
18K White Gold Diamond & Sapphire Cluster Brooch

18K White Gold Diamond & Sapphire Cluster Brooch

Located in New York, NY

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Art Deco Diamond Cultured Pearl Platinum Plaque Brooch
Art Deco Diamond Cultured Pearl Platinum Plaque Brooch

Art Deco Diamond Cultured Pearl Platinum Plaque Brooch

Located in Zurich, Zollstrasse

A stunning antique 1930s brooch with approximaltey 10.40 carat diamonds and a cultured pearl, platinum Art Deco plaque brooch. This stunning, fi...

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Danecraft Flower Pin Brooch, Textured Gold and Cultured Pearl
Danecraft Flower Pin Brooch, Textured Gold and Cultured Pearl

Danecraft Flower Pin Brooch, Textured Gold and Cultured Pearl

By Danecraft

Located in Milford, DE

An exquisite pin from Danecraft. This brooch features a flower composed of five textured gold petals and a centerpiece cultured pearl. A classy accessory with a beautiful glow! Hall...

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Multi-color Sapphire Diamond Butterfly Brooch Pin in 14K Gold
Multi-color Sapphire Diamond Butterfly Brooch Pin in 14K Gold

Multi-color Sapphire Diamond Butterfly Brooch Pin in 14K Gold

Located in beverly hills, CA

This exquisite piece features colorful sapphires and diamonds, adding elegance and sparkle to your look. A true work of art, this brooch features superb gems totaling 5.5 carats, car...

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Materials

Diamond, Sapphire, 14k Gold, White Gold, Yellow Gold

Tiffany & Co. Retro 14k Yellow Gold Brooch
Tiffany & Co. Retro 14k Yellow Gold Brooch

Tiffany & Co. Retro 14k Yellow Gold Brooch

By Tiffany & Co.

Located in Tampa, FL

Tiffany & Co. Retro 14k Yellow Gold Brooch Discover timeless elegance with this stunning Tiffany & Co. retro brooch, exquisitely crafted in 14k yellow gold. With its classic retro de...

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Materials

14k Gold, Yellow Gold

Antique 18K Gold Diamond and Cultured Pearl Bar Brooch
Antique 18K Gold Diamond and Cultured Pearl Bar Brooch

Antique 18K Gold Diamond and Cultured Pearl Bar Brooch

Located in London, GB

Beautiful antique 18K gold diamond and cultured pearl bar brooch, stamped 750. The diamonds are hand rose cut, and the pearls are of different colours with a silky lustre. Measuring...

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Early 20th Century Trillion Cut Brooches

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Vintage 1940s Retro 14k Rose Gold Sapphire Swirl Brooch, GIA Certified
Vintage 1940s Retro 14k Rose Gold Sapphire Swirl Brooch, GIA Certified

Vintage 1940s Retro 14k Rose Gold Sapphire Swirl Brooch, GIA Certified

Located in Stamford, CT

A striking vintage brooch from the 1940s, beautifully designed in the bold Retro style. Crafted in rich 14k rose gold, the piece features a dynamic swirl motif that reflects the era’...

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1950's Retro Ruby Diamond 14 Karat Yellow Gold Fan Style Brooch Pin
1950's Retro Ruby Diamond 14 Karat Yellow Gold Fan Style Brooch Pin

1950's Retro Ruby Diamond 14 Karat Yellow Gold Fan Style Brooch Pin

Located in Boca Raton, FL

This striking Retro-era brooch is crafted in 14K yellow gold and designed in an elegant fan motif, a classic symbol of the bold and glamorous style of the 1940s–1950s. The piece feat...

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1950s Retro Vintage Trillion Cut Brooches

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Previously Available Items
Emis Beros 18 Karat Yellow Gold Kunzite Ruby Diamond Serpentine Flower Brooch
Emis Beros 18 Karat Yellow Gold Kunzite Ruby Diamond Serpentine Flower Brooch

Emis Beros 18 Karat Yellow Gold Kunzite Ruby Diamond Serpentine Flower Brooch

By Emis Beros

Located in Troy, MI

Emis Beros was an award-winning jewelry designer and manufacturer. Her career started under esteemed jeweler Mr. Harry Winston in New York. Within a few years of working for him, she...

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Late 20th Century American Contemporary Trillion Cut Brooches

Materials

Diamond, Kunzite, Ruby, 18k Gold, Yellow Gold

Platinum Lapel Pin/Tie Tack Trillion Tanzanite
Platinum Lapel Pin/Tie Tack Trillion Tanzanite

Platinum Lapel Pin/Tie Tack Trillion Tanzanite

Located in New York, NY

Introducing our exquisite Lapel Pin/Tie Tack, a sophisticated accessory crafted from the finest platinum and adorned with a striking tanzanite trillion. This elegant piece is designe...

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2010s American Trillion Cut Brooches

Materials

Tanzanite, Platinum

Vintage Citrine and Diamond Bar Pin in 18K Two Tone Gold
Vintage Citrine and Diamond Bar Pin in 18K Two Tone Gold

Vintage Citrine and Diamond Bar Pin in 18K Two Tone Gold

Located in Towson, MD

One 18 karat yellow and white gold bar pin set with two (2) 6mm trillion cut amber citrine stones and two (2) round brilliant cut diamonds, approxim...

Category

1980s Contemporary Vintage Trillion Cut Brooches

Materials

Citrine, Diamond, Gold, 18k Gold, White Gold, Yellow Gold

Yellow Gold Pink Tourmaline Rubellite Trillion Lapel Pin/ Tie Tack
Yellow Gold Pink Tourmaline Rubellite Trillion Lapel Pin/ Tie Tack

Yellow Gold Pink Tourmaline Rubellite Trillion Lapel Pin/ Tie Tack

Located in New York, NY

Elevate your style with this stunning Pink Tourmaline Rubellite Trillion Lapel Pin/Tie Tack, exquisitely set in 18k Yellow Gold. This unique accessory combines the allure of a rare pink tourmaline gemstone with the timeless elegance of fine jewelry to create a piece that's perfect for making a statement at any occasion. Gemstone Radiance: At the heart of this lapel pin/tie tack lies a mesmerizing 8mm Pink Tourmaline Rubellite gemstone (about 1.75ct), meticulously cut into a striking trillion shape. The tourmaline's vivid pink hue exudes an air of sophistication and charm, making it an embodiment of grace and love. Its brilliant sparkle catches the light in the most enchanting way, adding a touch of allure to your attire. Luxurious Setting: The setting of this lapel pin/tie tack is handcrafted from 18k Yellow Gold, a symbol of opulence and refinement. The warm and rich tones of yellow gold provide a perfect backdrop for the resplendent pink tourmaline, enhancing its natural beauty. The craftsmanship is impeccable, ensuring both the gemstone's security and a sleek, streamlined appearance. Versatile Elegance: This lapel pin/tie tack is a versatile addition to your wardrobe, ideal for formal events, business meetings, or simply to elevate your everyday look. Its compact size allows it to be a subtle yet impactful accessory, adding a dash of sophistication to your ensemble without overpowering it. A Statement Piece: Wearing the Pink Tourmaline Trillion Lapel Pin/Tie Tack in 18k Yellow Gold is more than just adorning yourself; it's about expressing your appreciation for the finer things in life. It's a statement of your refined taste, your commitment to quality craftsmanship, and your desire to stand out from the crowd. Timeless Beauty: This lapel pin/tie tack is not just a fashion accessory; it's an investment in timeless beauty. Crafted to perfection, it represents the intersection of art and style...

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2010s American Trillion Cut Brooches

Materials

Tourmaline, 18k Gold, Yellow Gold

Antique Boxed Georgian Flat Cut Garnet Yellow Gold Brooch
Antique Boxed Georgian Flat Cut Garnet Yellow Gold Brooch

Antique Boxed Georgian Flat Cut Garnet Yellow Gold Brooch

Located in Chipping Campden, GB

Original Antique Boxed Georgian Flat Cut Garnet Brooch Set in yellow gold with original safety chain attached the most beautiful flower ga...

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1820s British Georgian Antique Trillion Cut Brooches

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Garnet, Yellow Gold

Vintage brooch in the shape of a flower basket, emerald rhinestone USA 1940s
Vintage brooch in the shape of a flower basket, emerald rhinestone USA 1940s

Vintage brooch in the shape of a flower basket, emerald rhinestone USA 1940s

Located in Stuttgart, DE

Brooch in the shape of a flower basket with a large emerald cut rhinestone as the flower vase inside are golden flowers with small green rhinestones. The brooch was designed in the ...

Category

1940s American Artisan Vintage Trillion Cut Brooches

Materials

Crystal, Base Metal

Art Deco White Diamond, Emerald, Ruby, Sapphire and Platinum Clip Brooch
Art Deco White Diamond, Emerald, Ruby, Sapphire and Platinum Clip Brooch

Art Deco White Diamond, Emerald, Ruby, Sapphire and Platinum Clip Brooch

Located in New York, NY

This gorgeous skyscraper style Art Deco clip brooch was meticulously hand crafted in the United States, circa 1930. Boasting an impressive total diamond weight of 12.5 carats, this p...

Category

1930s American Art Deco Vintage Trillion Cut Brooches

Materials

Diamond, Emerald, Ruby, Sapphire, Platinum