Jewellery that lasts:giving real gold and diamonds
Why real gold lasts, what 585 and 750 mean and which diamond classics make a good gift: tennis bracelet, stud earrings, eternity ring and fine entry pieces.
Perfume runs out eventually, and the chocolates are gone by Boxing Day at the latest. A ring in 18 carat gold will still be around in fifty years – and perhaps worn by someone who has not even been born yet. That is what this gift guide is about: real gold jewellery that lasts. We explain what 585 and 750 mean, which three diamond classics have worked for decades, where to start on a smaller budget and how to get the size right without giving the surprise away.
- Real gold lasts: gold barely reacts with air and water, which is why it does not rust. Almost half of all gold ever mined exists today as jewellery.
- 14 or 18 carat: 585 means 585 parts gold per 1,000, 750 means 750. The number is stamped into the piece as a hallmark.
- The three diamond classics: tennis bracelet, stud earrings and eternity ring. They suit almost any style and are rarely left in the drawer.
- Starting with real gold: delicate bracelets and stud earrings by Leaf are a lovely way to start, and adjustable bracelets solve the size problem.
- Finding the size secretly: we have dedicated guides for rings and necklaces, linked below.
Why is real gold jewellery a gift that lasts?
Because gold is one of the least reactive metals there is. It does not rust and keeps its shine, which is why archaeologists find gold jewellery that looks almost new after thousands of years in the ground. A scratch can be polished out, a chain repaired, a ring resized. Hardly any other gift survives so many stages of life.
The World Gold Council has calculated how much gold humanity has taken out of the ground in total: around 222,600 tonnes as of mid-2026. Cast into a cube, it would measure only about 22.6 metres on each side. Around 45 percent of it, close to 99,700 tonnes, is not sitting in vaults but in jewellery boxes and on wrists. Gold is, above all, worn.
And it is being bought more thoughtfully. According to the World Gold Council, jewellery demand in Europe fell by around ten percent by weight in the second quarter of 2026, and worldwide many buyers turned to lighter pieces. That matches what we see in our boutique: better one fine piece that is worn every day than a heavy one that only comes out on New Year's Eve.
14 or 18 carat: what does the number in the jewellery mean?
It tells you how much pure gold is inside. 18 carat equals 750 per mille, i.e. 750 parts gold per 1,000. 14 carat equals 585 per mille. The rest are metals such as silver, copper or palladium, which determine colour and hardness. That is why yellow, white and rose gold exist with the same fineness. Which gold colour suits whom is explained in our article Yellow, white or rose gold.
A little harder and more robust for everyday wear, ideal for fine chains and pieces worn daily. In our shop, for example, many pieces by Leaf.
More gold, a richer colour, the classic of fine jewellery. The diamond pieces from our 4D Fine Jewellery collection in this article are all made of 18 carat gold.
Where the number is stamped and what the small marks next to it mean is explained in Hallmarks in gold jewellery: what 750 and co. really mean.
Which diamond jewellery makes a timeless gift?
Tennis bracelet, stud earrings and eternity ring. These three forms have been in demand for decades because they go with jeans as well as with an evening dress. The idea that diamonds are a gift for eternity is, by the way, also an advertising success: copywriter Frances Gerety of the agency N. W. Ayer wrote the line “A diamond is forever” for De Beers, which Advertising Age later named the slogan of the 20th century. The 2026 holiday campaign under that very name once again puts stud earrings, tennis bracelets and eternity rings centre stage, and it kicked off with the tennis bracelet at the US Open.
The tennis bracelet: classic chain or flex?
The classic tennis bracelet lies softly like a ribbon and closes with a box clasp. The flex bracelet is a flexibly set bangle with a titanium spring that sits round on the wrist and pairs well with a watch. Where the name comes from and how to recognise quality is explained in detail in Tennis bracelet: what really matters when buying.
Two of our flex bracelets make a nice lesson: both carry exactly 79 brilliant-cut diamonds. The yellow gold one comes to 1.42 carats, the white gold one to 2.64 carats. Same number of stones, almost double the weight – so each stone on the white gold model is noticeably larger and looks bolder. The tennis bracelet 5E492W, in turn, is a little lesson in diamond cuts for your wrist: marquise, emerald cut, oval, pear and brilliant, 95 diamonds in five shapes.
Flex 5D150G yellow gold79 brilliants, 1.42 ct€ 11.990
Flex 5E441W white gold79 brilliants, 2.64 ct€ 11.690
Tennis bracelet 5E492W95 diamonds in 5 cuts, 1.85 ct€ 11.300
All in 18 carat gold, details according to the product description, prices incl. VAT live from our shop, as of 28 Oct 2026.
Stud earrings: the gift without size risk
Stud earrings are perhaps the safest diamond purchase: no ring size, no chain length, and they get worn on perfectly ordinary Tuesdays. A tip from our consultations: check whether the person usually wears yellow or white gold, and stick with it. Baguette diamonds with their straight edges look graphic and modern, a combination of marquise and brilliant more playful.
Stud earrings DD2U69197G8 baguette diamonds, yellow gold€ 1.190
Stud earrings DD2U69196W12 baguette diamonds, white gold€ 1.490
Stud earrings DD2X69396WMarquise and brilliant, 0.41 ct€ 2.150
18 carat gold, diamonds in TW/si, prices incl. VAT live, as of 28 Oct 2026.
The eternity ring: stones to the horizon
An eternity ring, called a Memoire ring in German-speaking countries, carries a row of identically cut stones. If they run only across the front, it is called a half eternity; if they run all the way round, a full eternity. Rings of this kind with paste stones or white topaz existed as early as the 18th century; as a diamond ring for anniversaries, De Beers made the idea popular in the 1960s.
If you prefer something more playful than a strict row, take a look at our ring 1AP18W: its 26 brilliant-cut diamonds sit in small clusters on an intertwined band, like dew on a vine. The eternity ring GIA Premium, by contrast, is the classic for the really big moments: 19 brilliant-cut diamonds totalling 3.83 carats, and every single stone comes with its own report from the Gemological Institute of America. Good to know: full eternity rings can hardly be resized because there are stones all the way round. Here it is especially worth knowing the size beforehand.
Ring 1AP18W26 brilliants, 0.27 ct, TW-si€ 2.120
Eternity ring GIA Premium19 brilliants, 3.83 ct, 19 GIA reports€ 16.480
Ring 1AP18W in sizes 54, 56 and 58, eternity ring GIA Premium in size 55. Prices incl. VAT live, as of 28 Oct 2026.
Real gold on a smaller budget: where to start?
With fine pieces that are worn every day. The bracelets by Leaf are ideal for this: delicate, in 14 or 18 carat gold, with small diamonds and usually adjustable in length. The Eternal Touch, for example, adapts between about 15.5 and 17.5 centimetres, which practically solves the size problem. If you are looking for a first necklace, the Stars necklace is a fine piece with 63 brilliant-cut diamonds.
Eternal Touch by Leaf14 carat, 34 diamonds€ 600
Clover by Leaf18 carat, approx. 28 diamonds€ 670
Disc 8 mm by Leaf14 carat yellow gold€ 280
Necklace Stars 4F550R18 carat, 63 brilliants€ 2.520
Prices incl. VAT live from our shop, as of 28 Oct 2026. More pieces in the Leaf and 4D Fine Jewellery collections.
Jewellery in Fairmined gold, made in a small family workshop near Pforzheim, is covered in our own guide Noën jewellery for Christmas: gift ideas in fair gold. And for ideas under 150 euros, beyond jewellery too, take a look at Gifts under 50, 100 and 150 €.
How can I tell real gold and natural diamonds?
By the hallmark and the certificate. Real gold carries its fineness as a number, i.e. 585 or 750. For diamonds, the rules of the World Jewellery Confederation CIBJO apply: if only “diamond” is written without any addition, a natural diamond is meant. Laboratory-grown stones must be clearly disclosed, for example as “synthetic” or “laboratory-grown”. The pieces from our 4D Fine Jewellery collection in this article come with a certificate stating the weight, colour and clarity of the stones.
What abbreviations such as TW, si or vsi mean is explained in TW-si, vsi, brilliant: what the diamond abbreviations mean. And why a diamond scratches other jewellery but is still not indestructible is covered in Gemstone hardness: which stone can handle everyday life?.
How do I find the right size without giving the surprise away?
For stud earrings and adjustable bracelets, not at all – that is their big advantage. For rings, a few tricks help, such as using a ring the person already wears as a template. All methods are in Finding a ring size secretly. For necklaces and chains, Necklace length: which necklace suits you? explains where each length ends on the neckline.
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Curiosities about gold and diamonds
Little facts for gift-giving
- The cube of all gold
All the gold ever mined, around 222,600 tonnes, would make a cube only about 22.6 metres on each side.
- Almost half is jewellery
Around 45 percent of this gold exists as jewellery, more than in any vault in the world.
- The slogan of the century
“A diamond is forever” was written by copywriter Frances Gerety. Advertising Age named it the slogan of the 20th century.
- Same number of stones, double the weight
Our two flex bracelets each carry 79 brilliant-cut diamonds, but weigh 1.42 and 2.64 carats.
- 19 stones, 19 reports
On the eternity ring GIA Premium, every single brilliant has its own GIA report.
- Older than you think
Eternity rings with paste stones or white topaz already existed in the 18th century.
- Fineness: 14 carat = 585 per mille, 18 carat = 750 per mille, 24 carat = fine gold.
- Carat for stones: 1 carat = 0.2 grams = 100 points, usually stated as total weight for bracelets.
- White gold: usually rhodium-plated to make it shine brightly; the layer can be renewed after some years.
- Half or full eternity: half means stones only across the front, full means all the way round.
- Naming: “diamond” without any addition stands for a natural stone, laboratory stones must be disclosed as “synthetic” or “laboratory-grown” (CIBJO, ISO 18323).
Frequently asked questions about jewellery as a gift
Is 14 or 18 carat gold better as a gift?
Both are real gold. 18 carat (750) contains more gold and has a richer colour, 14 carat (585) is a little harder and works well for fine everyday pieces.
Which diamond jewellery almost always fits?
Stud earrings, because no size is needed. Then come the tennis bracelet and the eternity ring, for which you should know the wrist or ring size.
What is the difference between a flex bracelet and a tennis bracelet chain?
The chain lies softly like a ribbon and is closed with a clasp. The flex bracelet is a flexible bangle with a titanium spring that sits round on the wrist.
What is an eternity ring?
A ring with a row of identically cut stones, either half across the front or all the way round. In German-speaking countries it is called a Memoire ring.
Does the jewellery come with a certificate and gift box?
Yes. The pieces from our 4D Fine Jewellery collection shown here come in our gift box with a certificate, Leaf delivers in its own jewellery packaging.
When is shipping free?
From an order value of € 200, standard shipping to Austria and Germany is free.
Try it on first, then fall in love
Jewellery comes alive on a person, not in its case. Visit us in our boutique in Bregenz: we will lay tennis bracelets side by side, measure the wrist or ring size and wrap your gift so that even opening it is a joy. Ordered online, every piece arrives in its gift packaging, pieces from 4D Fine Jewellery with a certificate, and from an order value of € 200 standard shipping to Austria and Germany is free. And if you would rather leave the choice to the recipient, a gift card always fits.
Your team at 4D Outfitters, Bregenz
Sources: World Gold Council: How much gold has been mined? · World Gold Council: Gold Demand Trends Q2 2026, Jewellery · WBUR: The Ad-Woman Who Made Diamonds Forever · National Jeweler: A Diamond Is Forever, holiday campaign 2026 · Wikipedia: Eternity ring · CIBJO Blue Books · Product details according to the 4D Outfitters webshop, as of 28 Oct 2026
How well do you know it?
Which copywriter wrote the line “A diamond is forever” for De Beers?
Frances Gerety worked for the agency N. W. Ayer. Advertising Age later named her line the slogan of the 20th century.
According to the World Gold Council, what percentage of all gold ever mined exists today as jewellery?
That is close to 99,700 tonnes, sitting not in vaults but in jewellery boxes and on wrists.
How much does one carat weigh for a gemstone?
One carat also equals 100 points. For bracelets, the total weight of all stones is usually stated.
Since when have eternity rings with paste stones or white topaz existed?
De Beers only made the idea popular as an anniversary diamond ring in the 1960s. In German-speaking countries the eternity ring is called a Memoire ring.
Under the rules of the World Jewellery Confederation CIBJO, what is meant when only “diamond” is written without any addition?
Laboratory-grown stones must be clearly disclosed, for example as “synthetic” or “laboratory-grown”.
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Jewellery that lasts: giving real gold and diamonds
IM FOKUS
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Jewellery know-how Gemstone hardness: Which stone can handle everyday life?
Jewellery know-how Gold hallmarks: What 750 & co. really mean


























