About John Hoyne

John Hoyne is the founder and co-owner of Carus Jewellery. He runs the business full-time with his wife Elaine. John has studied gemology and is an antique jewellery specialist. As an author, John has authored numerous jewellery informational articles for Carus Jewellery`s blog. Demonstrating his extensive knowledge in jewellery history, period styles, and gemology. John personally sources each piece of antique and vintage jewellery for sale on Carus Jewellery. He meticulously verifies each unique piece before issuing a certificate of authenticity.

Emerald

Emerald The gemstone Emerald belongs to the beryl group and is the most precious variety of beryl. The other varieties of beryl are Aquamarine, Morganite, Red and Green beryl, Heliodor, Maxixe, and Goshenite. The stone derives its colour from the element chrome, while green beryl is coloured by vanadium. The colouring agent chrome is [...]

Amethyst

Amethyst Amethyst is a member of the Quartz family and it ranges in colour from pale lilac to deep purple. It gets its colour from Iron and other trace elements such as manganese. The paler shades of the stone are often called "Rose de France". Siberian Amethyst is a deeper shade of purple and [...]

Cleaning & Care of Antique Jewellery

Cleaning and Care of Antique Jewellery Antique jewellery is a beautiful and timeless investment, but it is important to take care of it properly to ensure that it lasts for generations to come. Gold Jewellery Gold jewellery is relatively easy to take care of. To clean gold jewellery, simply allow it to soak in [...]

Diamond

Diamonds Explained There have been numerous books written in great detail about diamonds. In this article, we are going to summarize how diamonds are graded. Every diamond is unique and there are a number of factors which affect a diamonds beauty and therefore its value. These factors are known as a diamonds four C`s, which [...]

Ring Size Guide

Ring Size Guide Firstly make sure that your finger is at normal temperature, before measuring it. If your finger is cold then it will shrink or if your finger is hot it will expand, giving you an incorrect measurement. To measure accurately you will need a ruler or measuring tape, a pen and a [...]

Mid-Century Jewellery 1950s

Mid-Century Jewellery The term Mid-Century Jewellery generally covers the design style of the 1950s. It received its name in 1984 from a book called "Mid-Century Modern : furniture of the 1950s". Suburban California in the 1950s pretty accurately sums up architectural and interior design of the time. Low flat roofs with lots of large [...]

Retro Jewellery 1940s

Retro Jewellery Retro jewellery also called cocktail jewellery generally covers the period from the late 1930s to the 1940s. It was a period of jewellery history which was greatly influenced by world war II. Leading to large, bold and colourful statement pieces becoming popular. The war as can be imagined sent Europe into disarray. [...]

Art Deco Jewellery 1920 to 1935

Art Deco Jewellery The Art Deco Jewellery period started in 1920 and continued until 1935. It received its name from the International Exposition Of Modern Decorative and Industrial Arts, held in Paris in 1925. The Art Deco jewellery period is regarded as one of the most important in the history of jewellery design. The [...]

Edwardian Jewellery 1901 to 1914

Edwardian Jewellery The Edwardian Jewellery period started in 1901 with the reign of King Edward VII and lasted for four years after his death until 1914. This era corresponds to the Art Nouveau era and the Belle Epoque era of continental Europe. It is also the last jewellery period to be named after an [...]

Art Nouveau Jewellery 1890 to 1915

Art Nouveau Jewellery Art Nouveau meaning "new art" was a movement which started in Europe in 1890 and lasted until about 1915. Which coexisted with the Victorian era and the Edwardian era. The movement received its name from Siegfried Bing. Who opened an art gallery in 1895 called Maison de lÀrt Nouveau, which translates [...]

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