1. Emeralds
(Gemstones/Colored Gemstones)

... word izmargad or the Sanskrit word, marakata, meaning "emerald" or "green". Properties Determining Value "A Gem of the Finest Water" Emerald, like all colored gemstones, is graded using four ...

2. Rubies
(Gemstones/Colored Gemstones)

... of gemstones by treating them is common practice. Some treatments are used in almost all cases and are therefore considered acceptable. During the late 1990s, a large supply of low-cost materials caused ...

3. Diamonds
(Gemstones/Diamonds)

... as gemstones since their use as religious icons in ancient India and usage in engraving tools also dates to early human history. Popularity of diamonds has risen since the 19th century because of increased ...

4. Harry Winston
(Manufacturers/American Jewelers)

... gemstones— often pear or marquise cuts. Hardly any metal is visible, as the gemstones take center stage. In one Winston signature, marquise-shaped diamonds are clustered in a luxurious spray, creating ...

5. Pierre Vever
(Manufacturers/French Jewelers)

... also tended to use precious stones like diamonds and rubies to embellish their pieces rather than semi-precious and organic gemstones. The most famous of these guest designers was Eugène Grasset whose ...

6. Verdura
(Manufacturers/Italian Jewelers)

... Maltese cross as their emblem. It became one of his signature motifs. Rich colours, both in gold and gemstones, were also characteristic of his pieces. In 1934, Verdura moved to the United States, first ...

7. Van Cleef & Arpels
(Manufacturers/French Jewelers)

... place: no prongs, bars, or bezels. One is simply presented with a collection of continuous, geometric gems. As a matter of fact, the gemstones are secured on their undersides by a metal grid into which ...

8. Trabert, Hoeffer-Mauboussin
(Manufacturers/American Jewelers)

... jewels were fabricated from eighteen-karat yellow gold parts and featured semi-precious gemstones. The firm encouraged women to choose among the different design elements and gemstones to create unique ...

9. George Frederick Kunz
(Gemstones/Important Gemologists)

... soared. Kunz was awarded numerous honorary degrees and published over 300 articles and numerous of books on gemstones. With his help, Tiffany was able to amass a truly impressive collection of gems, including ...

10. Tiffany and Company
(Manufacturers/American Jewelers)

... wore on, Tiffany became a trendsetter in its own right when George Frederick Kunz secured a steady supply of unusual gemstones for the firm’s jewelry: Montana sapphires, Mexican turquoise and fire opals, ...

11. Pierre Sterlé
(Manufacturers/French Jewelers)

... were typically embellished with a combination of precious and semi-precious gemstones. Some of them also featured “angel wire,” a mesh of sorts, which he created in 1957. During the 1960’s, he sold his ...

12. Seaman Shepps
(Manufacturers/American Jewelers)

... of gemstones and his eclectic color combinations. Schepps favored irregularly cut, en-cabochon, or carved gemstones. Diamonds were typically ignored in favor of softly colored gemstones: light blue sapphires ...

13. Louis Comfort Tiffany
(Manufacturers/American Jewelers)

... mythology (e.g., Medusa), and ancient history. Constructed in yellow gold, his pieces were often embellished with enamel and set with semi-precious gemstones like moonstone, tourmaline, and garnet. The ...

14. Lalique
(Manufacturers/French Jewelers)

... women. The pieces were embellished with organic and unusual gemstones as well as gentle plique-à-jour enamelling. In 1900, critics at Paris’s Universal Exposition universally lauded his jewels, singling ...

15. J.E. Caldwell
(Manufacturers/American Jewelers)

... chased surfaces, unusual gemstones, as well as typical Nouveau motifs: curvaceous women, vines, garlands, flowers, and insects. In 1916, J.E. Caldwell relocated to a more fashionable and affluent part ...

16. Graff
(Manufacturers/English Jewelers)

... just under ninety carats. Graff also handles exceptional colored gemstones. At his retail stores, which now span the globe, Graff sells modern, gem-focused jewellery.  ...

17. Flato
(Manufacturers/American Jewelers)

... gemstones, which became hugely popular. Josephine Forrestal created a collection of wiggly clips, featuring components that trembled as their wearers moved, that were a sensation. She also inspired Flato’s ...

18. Falize
(Manufacturers/French Jewelers)

... gemstones, intricate metal work, and enamelling. From 1860 to 1865, Falize experimented with enamels and studied with the most talented enamellists of the time. In 1871, he introduced a new method of ...

19. Bulgari
(Manufacturers/Greek Jewelers)

... Iranian, and Egyptian sources. Featuring bubbly, large cabochon-cut gemstones, the pieces flaunted bright and adventurous color combinations. Bulgari’s modular jewels were also bold and bright. The basic ...

20. Buccellati
(Manufacturers/Italian Jewelers)

... and gold) is also typical. If gemstones are used at all, they are often unusual: large cabochons, carved emeralds and rubies, rose-cut diamonds. Naturalistic motifs are common fare. The pieces are bold ...