1. The Hope Diamond Necklace – Inestimable

The Hope Diamond remains one of the most famous jewels in history. Weighing 45.52 carats, this deep blue diamond is surrounded by smaller white diamonds in a platinum setting. Originating from India, the gem has passed through royal hands, including King Louis XIV. Today, it sits in the Smithsonian Institution. Its immense historical significance, mysterious legends, and unmatched rarity make it nearly priceless. As a result, experts hesitate to assign it a fixed value, further elevating its mythical status.

Image at The Intriguing History of the Hope Diamond – AC Silver

2. Peacock Brooch by Graff – $100 million

Crafted by Graff Diamonds, this brooch dazzles with over 1,300 gemstones, including a rare 20.02-carat deep blue diamond at its heart. Designed in the shape of a peacock, the piece features diamonds in white, yellow, pink, orange, and green shades. While highly artistic, it also showcases technical brilliance. Every gemstone is perfectly placed to enhance the visual harmony. Altogether, the Peacock Brooch is a bold display of color, creativity, and extraordinary value, making it one of the most expensive brooches in the world.

Image at Graff to Unveil 120-Carat Diamond Peacock Brooch Valued At $100 Million

3. Wittelsbach-Graff Diamond Necklace – $80 million

This historic necklace features the 31.06-carat Wittelsbach-Graff Blue Diamond, once part of the Austrian and Bavarian crown jewels. Laurence Graff acquired and re-cut the stone in 2010 to improve its clarity, stirring both admiration and controversy. Mounted in a diamond necklace, it now appears in a modern, elegant setting. Its deep blue hue, royal heritage, and improved brilliance explain the enormous price. Clearly, the necklace merges European history with contemporary luxury.

Image at Pin på Jewelry

4. Pink Star Diamond Ring – $71.2 million

Sold at auction in 2017, the Pink Star is a 59.60-carat vivid pink diamond set in a sleek ring. Originally mined in Africa by De Beers, it took nearly two years to cut and polish the flawless stone. Its rare color and exceptional size make it one of the most valuable gemstones ever sold. Moreover, its simplicity allows the diamond to take center stage. The Pink Star is not only visually stunning—it’s a record-breaking masterpiece of nature.

Image at Pink Star diamond sells for $71.2 million, becoming the world’s most expensive gemstone | Arab News

5. Oppenheimer Blue Diamond Ring – $57.5 million

The Oppenheimer Blue, at 14.62 carats, is one of the largest vivid blue diamonds ever auctioned. Set in a simple platinum ring, it once belonged to Sir Philip Oppenheimer of the De Beers family. Its vibrant color, elegant cut, and remarkable clarity contribute to its legendary status. In 2016, it broke auction records, highlighting how rare blue diamonds dominate the luxury market. The Oppenheimer Blue remains a timeless tribute to elite gemology.

Image at Parfum Mont Blanc Legend : du caractère et de l’élégance pour homme

6. Graff’s Hallucination – $55 million

Graff’s Hallucination redefines haute jewelry: this kaleidoscopic bracelet contains over 110 carats of rare colored diamonds in a sculptural array. Moreover, it combines pink, blue, green, and yellow diamonds to form a “rainbow” masterpiece on the wrist. Because each diamond is a collector-grade jewel, the bracelet transcends fashion—it becomes wearable art. As a result, Hallucination earned its place among the priciest pieces ever created.

Image at (20) The $55 Million Graff Hallucination Is Still the World’s Most Expensive Quartz Watch – autoevolution

7. L’Incomparable Diamond Necklace – $55 million

L’Incomparable features a breathtaking 407.48-carat yellow diamond, discovered by a young girl in the Congo. Paired with 91 white diamonds totaling 230 carats, the necklace’s asymmetrical design adds a modern twist to its regal elegance. Despite its enormous size, the centerpiece remains flawless. As one of the largest internally flawless diamonds in the world, it draws attention both for its origin and design. This one-of-a-kind piece is a true example of nature meeting artistry.

Image at World’s Most Expensive Necklace is the L’Incomparable Diamond Necklace Valued at $55 Million – Elite Choice

8. The Blue Moon Diamond – $48.4 million

This 12.03-carat fancy vivid blue diamond was sold in 2015 to a Hong Kong billionaire, who renamed it the Blue Moon of Josephine after his daughter. Mined in South Africa, the gem dazzles with its clarity, intense color, and cushion shape. It took months of cutting to perfect its brilliance. Unlike many others, this ring gained personal and emotional significance in addition to its value. Ultimately, it blends beauty, rarity, and sentiment into one extraordinary jewel.

Image at Blue Moon Diamond Eclipses World Auction Record at $48.4 Million

9. The Hutton-Mdivani Necklace – $27.4 million

Once owned by Barbara Hutton, heiress to the Woolworth fortune, this necklace consists of 27 giant jadeite beads, paired with a ruby and diamond clasp by Cartier. It represents a rare fusion of East and West, combining Chinese jade craftsmanship with European design. Because high-quality jadeite is so scarce, this necklace remains unmatched in both material and history. In 2014, it fetched a record price, cementing its place as a global cultural treasure.

Image at thejewelleryeditor.com/whats-on/auctions/record-breaking-price-paid-for-barbara-hutton-jadeite-necklace-at-sothebys-hong-kong/

10. The Perfect Pink Diamond – $23.2 million

Weighing 14.23 carats, the Perfect Pink is one of the finest vivid pink diamonds ever auctioned. Set in a ring with two clear diamonds on either side, the central stone is prized for its flawless clarity and evenly saturated hue. In 2010, it set a new benchmark for pink diamonds in Asia. Its understated setting allows the stone’s beauty to shine without distraction. Truly, the Perfect Pink balances rarity, elegance, and market prestige.

Image at Pink diamond sells for $23.2 million | the jewelry loupe

This top list shows the top 10 most expensive pieces of jewelry of all time.