It is law within the CA that every item of precious metal sold such as Platinum, Gold, Silver is stamped labelling the item with the type of metal it is. Platinum pieces which weigh less than 0.5 grams, 18ct Gold and Palladium pieces weighing less than 1.0 gram and Silver pieces weighing less than 7.78 grams are except from hallmark.
At Diamonds Factory all our products are hallmarked as per CA hallmarking law from London Assay Office (The GoldSmith Company)
Where Hallmarking Began
The Goldsmiths' Company Assay Office is the oldest assay office in the United Kingdom. It has provided hallmarking services since The Goldsmiths' Company was founded in the 1300s. The company received its royal charter in 1327 and ranks 5th in order of precedence of the 12 Great Livery Companies of the City of London.
Hallmarking dates back to the 1300s when Edward I of England passed a law requiring any item made of silver, which was offered for sale, to be at least of equal quality as that of the coin of the realm (silver currency). The wardens of The Goldsmiths' Company were tasked with visiting workshops in the City of London to assay (test) silver articles. If these articles were found to be below standard they were originally destroyed and the metal forfeited to the King. If they passed, each article received the King's mark of authentication - the mark of a leopard's head. By 1478, there were several hundred workshops and merchants manufacturing silver articles in the City of London. It was not possible for the wardens to visit them all so the merchants were ordered to bring their items to Goldsmiths' Hall for testing and marking and a permanent Assay Office was established in the building. This is the origin of the term hallmark - struck with the King's mark at Goldsmiths' Hall.
In 1544 the Goldsmith's Company adopted the King's mark as their town mark and the mark of the leopard's head is now internationally recognised as the mark of this assay office.
Today
The Goldsmiths's Company Assay Office is still based at Goldsmiths's Hall and remains the oldest company in Britain to be continually trading from the same site. However, it also has two satellite offices; at Greville Street in Hatton Garden in the heart of the London jewelry quarter and within a high security complex near London's Heathrow airport. It now has a new off-site facility within the Dalston-based jewelry manufacturer, Allied Gold. This is the first time in the Assay Office's 700 year history that it has opened permanent hallmarking services on a customer's premises.
In addition to hallmarking, the office has now expanded its range of services to support the jewelry trade and enforcement authorities. It offers a variety of specialist analytical services including nickel, lead & cadmium testing, antique silver dating, non-destructive compositional analysis, plating thickness measurement and a melt and assay service for scrap precious metal carried out in their fully independent on-site laboratory. Other services offered are a jewelry valuation service, laser marking, trading standards assistance, high quality photography and a comprehensive range of training and educational seminars, lectures and specialist events.
Know More
Diamond earrings are a timeless piece of jewelry suitable for every occasion. They’re favored for their ability to reflect versatility, sophistication, and elegance at casual outings and formal events. Whether you pair your diamond earrings with your existing jewelry or wear them as a statement piece, they instantly elevate any look. When buying diamond earrings, you will find an array of different designs and styles, each one with its own unique appearance. But how do you know which pair is the one for you? This guide will help you out.
White Gold Round Diamond Stud Earring
$97
White Gold Round Diamond Stud Earring
$99
Prong Setting Round Diamond Hoop Earrings
$263
White Gold Round Diamond Stud Earring
$97
White Gold Round Diamond Halo Earring
$890
White Gold Round Diamond Stud Earring
$97
Leverback Solitaire Earrings
$1,298
3 Prong Setting Round Diamond Stud Earring
$120
Stud earrings

Studs are popular when it comes to diamond earrings since they suit most face shapes. You will find various styles, sizes and shapes in our range of studs. Geometric shapes like triangles, squares, and rectangles can enhance the beauty of a round face. Whereas, oval and longer faces are complemented by small, delicate, or medium-sized studs. Organic-shaped studs are the way to go when it comes to faces with sharp cheekbones and angular structures.Danglers and drop earrings

Danglers and drop earrings work well with any face shape. Slender danglers can add length to a round face, whereas if you have a longer face with a pointed chin, mid-length danglers or delicate linear earrings will look the best. You can choose danglers with rounded edges and natural frames if you have boxy features. On the other hand, if you have a smaller face with a pointed chin, you can opt for long danglers or pendulum earrings. The trick is to choose a style that contrasts with your features.Hoop earrings

If you have an angular face with a boxy outline, you can be effortlessly stylish with circular hoop earrings! Whereas, if you have a rounder face, you can select any style of hoop earrings. However, if you have a smaller face, more angular hoops might be best for you.Tips and tricks
- For everyday wear: Since they’re minimalistic and low maintenance, studs are an excellent choice for everyday wear.
- For special occasions: As they can be worn as a statement piece, drop or dangler earrings with diamond accents can be a go-to for special occasions.
- For a classic look: Diamond hoops of different sizes and silhouettes are a must-have as they help you achieve a classic look for any occasion.
When you buy diamond earrings according to your face shape, they’ll bring out your natural features to make you feel your most confident. While this guide will help you select the best diamond earrings for your face shape, remember, personal style and comfort are equally important. So, whether you select studs, hoops, danglers or linear earrings, don’t shy away from experimenting with different styles, and finding the right one for you.