Buying gold jewelry is a decision for years to come - and yet most of us are in the dark about it. What does 14-karat gold mean? Is white gold lower quality than yellow gold? Why does one ring have a hallmark and another doesn't? In this article, we will explain everything you need to know so that when you buy gold, you know exactly what you are paying for - and can distinguish real quality from empty promises.
Gold purity and karats: what they really mean
Pure gold is a soft metal that would quickly scratch and deform in the form of jewelry. That is why other metals (silver, copper, palladium) are added to jewelry gold to give it strength and color. Purity indicates how much pure gold the jewelry contains - and it is expressed either in karats (K) or in thousandths.
| Karats | Purity (thousandths) | Pure gold content |
|---|---|---|
| 24K | 999/1000 | 99.9% (pure gold) |
| 18K | 750/1000 | 75% |
| 14K | 585/1000 | 58.5% |
| 9K | 375/1000 | 37.5% |
The number on the jewelry (for example 585) is therefore not random - it tells you exactly what share of precious metal you are holding in your hand.
Why higher purity is not always the better choice
It sounds logical: the more gold, the better. In practice, however, it is not that simple. The higher the purity, the softer the gold - 24-karat gold is so soft that regular jewelry is practically not made from it. It would deform and scratch during everyday wear.
That is why 14-karat (585) jewelry is often a more practical choice for daily wear than 18-karat: it holds its shape well, is more resistant to scratching, and lasts for years without damage. 9-karat gold (375), on the other hand, is the most affordable entry level of real gold - ideal if you want gold jewelry at an acceptable price. Its advantage, besides price, is its hardness and therefore its durability.
Quality is therefore not determined by the number alone. Equally important is the craftsmanship, origin, and whether the purity is verified by an independent body - we will get to that below.
Yellow, white, and rose gold: what is the difference
The color of gold is not created by coloring, but by the composition of the alloy - by what metals are added to the gold. The base (the gold itself) is always the same, the "admixture" changes.
Yellow gold is a classic. It is created by combining gold with silver and copper and has a warm, traditional hue that will never go out of style. It is low-maintenance and suits most skin tones. There are several shades of yellow gold depending on the admixtures.
White gold gets its silvery color by adding white metals (most often palladium) and usually a thin layer of rhodium, which gives it a bright, mirror-like shine. It looks similar to platinum at a fraction of the cost. Over time, the rhodium layer may wear off slightly and the jewelry may turn slightly "yellow" - in that case, it is enough to have it re-rhodium-plated and it looks like new. This is not a defect, but normal maintenance for white gold.
Rose (red) gold owes its romantic hue to a higher proportion of copper. The more copper, the more pronounced the pink to red color. It is extremely popular for its modern yet timeless look and suits warmer skin tones well.
None of these colors is "higher quality" than the other - 14-karat yellow, white, and rose gold all contain the same proportion of pure gold. The difference is purely aesthetic and based on what you like.
What is a hallmark and why is it the most important sign of quality
In Slovakia, purity is overseen by the Hallmarking Office of the Slovak Republic - an independent state authority. Here, it is important to distinguish between two marks that you will find on jewelry:
- Purity number (for example 585 or 375) is the purity data that must be carried by every piece of gold jewelry intended for sale, regardless of weight.
- State hallmark of the Hallmarking Office of the SR is a mark by which the authority physically verifies and marks jewelry above a legally established weight. Very small and light pieces (so-called sub-limit goods) are not subject to state hallmarking by law, but even those must be marked with a purity number.
A hallmark is therefore not a seller's marketing promise - it is an objective, state-guaranteed warranty. If you are choosing more prominent gold jewelry and you do not find a hallmark on it, be cautious. For very tiny pieces, rely on the purity number and a certificate of authenticity from the seller.
Where quality gold comes from - and why cheaper does not mean worse
Many myths circulate about the origin of gold. The most widespread is that cheaper gold must necessarily be of lower quality. The reality is different: the price of jewelry depends on many factors - purity, weight, complexity of processing, and commercial margin - but the purity of the gold itself is always the same, guaranteed by the hallmark. 14-karat gold is 14-karat regardless of where you buy it.
A significant role is played by the jewelry tradition of the country of origin. Italy belongs to the absolute world top in jewelry-making - Italian jewelry centers like Arezzo and Vicenza are synonymous with first-class craftsmanship, and even the most famous jewelry stores draw from their workshops. Gold of Italian origin is therefore a guarantee of artisan quality, not a compromise.
A lower price for the same, hallmark-verified purity is therefore not a warning sign - it is often just the result of a seller operating more efficiently without unnecessary intermediaries.
How to recognize quality gold when buying: a quick checklist
When choosing gold jewelry, focus on these points:
- Purity number and hallmark. Every gold piece should carry a purity number (for example 585 or 375). Jewelry above a legally established weight also has a state hallmark from the Hallmarking Office of the SR stamped on it.
- Stated purity. A quality seller always clearly states whether it is 9K, 14K, or 18K gold.
- Certificate of authenticity. A document that confirms the purity of the jewelry.
- Origin. Information about where the gold comes from demonstrates the transparency of the seller.
- Suitable purity for your purpose. For everyday wear, choose more durable 14K; 9K serves as an accessible entry into the world of gold.
If the jewelry meets these points, you are buying quality - not hope.
How to take care of gold jewelry
To enjoy your gold for years, little is needed. Take off jewelry at night, before exercising, or cleaning so that it does not come into contact with chemicals and cosmetics. Clean it with a soft cloth and, if necessary, lukewarm water with a drop of soap. Have white gold re-rhodium-plated as needed (usually after several years of wear) so that it maintains its bright shine. Store them individually so that they do not scratch each other.
LOTSI gold jewelry: quality that you can verify
Gold at LOTSI comes primarily from Italy, one of the most respected jewelry traditions in the world. We exclusively use gold with a purity of 375/1000 (9K) and 585/1000 (14K). Every piece carries a purity number, our maker's mark (VO), and jewelry above a legally established weight is additionally verified and marked with the hallmark of the Hallmarking Office of the Slovak Republic. We provide a certificate of authenticity with every piece of gold jewelry, which confirms its purity.
Follow the link to our gold jewelry and choose a piece where you know exactly what you are holding in your hand.
This article was prepared by Vladimír Obuch, founder of the LOTSI brand, in cooperation with our jewelry team. LOTSI is a Slovak brand of silver and gold jewelry with brick-and-mortar stores across Slovakia and an e-shop at lotsi.sk. We believe that quality jewelry should be transparent - from material through production to price.
Recommended collections
- Gold bracelets, delicate and bolder models in yellow, white, and rose gold.
- Gold earrings, from tiny studs to elegant dangling pieces.
- Gold chains, thin timeless models as well as bolder links for layering.
- Gold rings, simple and more ornate, in 14K purity.
- Gold pendants, symbols and timeless shapes to complement your chain.
- Gold wedding bands and engagement rings, pieces for the most exceptional moments, for a lifetime.
