How should I care for the ring in everyday use?

We recommend regular cleaning at home using mild soapy water and a soft brush. It is also advisable to have the ring inspected annually by a goldsmith to ensure the stone settings remain secure.

Where can I find affordable, high-quality options?

You can find great deals in the sale and outlet sections of the Kulta-Aika online store. Choosing a lab-grown diamond is also an excellent way to save money.

Can the size of a finished ring be adjusted later?

Yes, it can. Most gold models can be resized—either made larger or smaller—by a goldsmith. However, resizing full-eternity rings (where stones are set all the way around the band) is an exception.

Diamond rings

Q: What is a lab-grown stone?

It is a genuine stone grown in controlled, man-made conditions. They are chemically, physically, and optically identical to stones mined from the earth, but come at a more affordable price.

A diamond ring is more than just a piece of jewelry – it is a sparkling memento that carries life's most precious moments. Our selection has been curated to meet even the most demanding tastes: we offer classic solitaire rings, modern eternity rings, and striking halo designs, where quality and ethics meet.

Find your dream diamond ring from the pinnacle of Finnish design.

(If you cannot find the size or gold purity you desire, please contact us!)

1118 products

Sort

Kotimainen Festive keltakultainen timanttisormus solitaire 1,50 ct laboratoriotimantilla

Festive Selena Laboratory Diamond Ring 1.50 ct Yellow Gold

Festive

from €2.900,00

Sandberg Yöpilvi Timanttisormus S-200k Keltakulta

Sandberg

from €3.050,00

Sandberg Horizon M-246 Diamond Ring

Sandberg

from €1.680,00

Kohinoor Riviera Diamond Ring 039L-115K-18

Kohinoor

€698,00

Kohinoor Riviera Diamond Ring 039L-115K-11

Kohinoor

€569,00

Kohinoor Diamond Ring 039L-115V-11

Kohinoor

€569,00

Sandberg Aurinkotuuli Diamond Ring V-411w

Sandberg

from €1.530,00

Sandberg Onnenlähde M-246Bk 3.00 ct

Sandberg

from €3.150,00

Sale

Sandberg Wishing Well Diamond Ring Morganite Peach V-710w

Sandberg

€2.055,00 €1.233,00 Save 40%

Sold Out

Sandberg Suvituuli Diamond Ring 0.05 ct M-103w

Sandberg

€1.055,00 €639,00 Save 39%

Sale

Sandberg Myötätuuli Diamond Ring M-166w 0.27 ct

Sandberg

€1.970,00 €1.188,00 Save 40%

Sold Out

Sandberg Headsail diamond ring 0.02 ct K-46yw

Sandberg

€795,00 €477,00 Save 40%

Sandberg Dewdrop diamond ring V-442w 0.30 ct

Sandberg

€2.330,00

Festive Routa NOX sormus 6 mm punakulta tuotekuva

Festive Routa NOX ring 6 mm rose gold

Festive

from €890,00

Sold Out

Sandberg Onnenlähde diamond ring K-1w / 17.0 mm

Sandberg

€1.160,00

Sale

Beat of Love Cressida laboratoriotimanttisormus 1,00 ct keltakulta Beat Of Love

Beat of Love Cressida laboratory-grown diamond ring 1.00 ct yellow gold

Beat Of Love

€2.190,00 €1.642,00 Save 25%

Sale

Beat of Love Tessa laboratoriotimanttisormus 1,00 ct keltakulta Beat Of Love

Beat of Love Tessa Lab Grown Diamond Ring 1.00 ct Yellow Gold

Beat Of Love

€2.190,00 €1.642,00 Save 25%

Sandberg Night Cloud Diamond Ring V-490k

Sandberg

from €2.090,00

Sandberg Yöpilvi Diamond Ring M-450K

Sandberg

from €2.260,00

Festive Auréa 1,00 ct keltakulta Festive

Festive Auréa 1.00 ct Yellow Gold

Festive

from €2.650,00

Sandberg Taivaanranta M-246w Diamond Ring

Sandberg

from €1.830,00

Kohinoor Theia laboratoriotimanttisormus 0,62 ct 033-461K-62L Kohinoor

Kohinoor Theia Laboratory-Grown Diamond Ring 0.62 ct 033-461K-62L

Kohinoor

€1.609,00

Kohinoor Theia Laboratory-Grown Diamond Ring 2.00 ct 033-461V-200L

Kohinoor

€2.639,00

Kohinoor Theia Laboratory-Grown Diamond Ring 2.00 ct 033-461K-200L

Kohinoor

€2.639,00

Kohinoor Theia Laboratory Diamond Ring 2.12 ct 033-460V-212L

Kohinoor

€2.869,00

Kohinoor Theia laboratory-grown diamond ring 2.12 ct 033-460K-212L

Kohinoor

€2.869,00

Kohinoor Theia Laboratory-Grown Diamond Ring 0.15 ct 033-460K-15L

Kohinoor

€1.049,00

Kohinoor Theia Laboratory-Grown Diamond Ring 1.12 ct 033-460K-112L

Kohinoor

€2.419,00

1 2 3 … 40 Next

How to choose the perfect diamond ring?

A high-quality diamond ring is a timeless investment and one of the most popular choices for an engagement or wedding ring. When selecting the right ring, it is worth considering the quality of the diamond, the material of the band, and the ring's suitability for everyday wear. Kulta-Aika’s extensive selection features stunning diamond rings from the industry’s most respected brands, such as Kohinoor, Sandberg, Festive, and Lumoava.

A goldsmith’s tip for choosing a diamond ring

If you are looking for a diamond ring for everyday wear, pay attention to the height of the diamond setting. A low-profile setting is practical for daily use, as it does not easily snag on clothing. Additionally, the choice of ring material affects maintenance needs; for instance, a white gold diamond ring should be re-rhodium plated every couple of years to maintain its brilliant shine.

Most popular diamond ring styles

Various diamond ring styles offer options for both minimalist and bold tastes. You can choose a ring that perfectly suits your personal style or complements a ring combination you already own.

Solitaire and eternity/row rings

The classic solitaire diamond ring highlights the sparkle of a single magnificent diamond. It is a reliable and traditional choice for an engagement ring. A row-style diamond ring, on the other hand, features multiple diamonds set side-by-side and is perfect for wearing alongside another ring.

Halo diamond rings

In a halo ring, the center diamond is surrounded by a circle of smaller diamonds. This design makes the center diamond appear larger and gives the ring a luxurious, sparkling look.

Lab-grown diamond ring or traditional diamond ring?

A modern lab-grown diamond ring offers an eco-friendly and more affordable alternative to a traditional mined diamond. Lab-grown diamonds are chemically, physically, and optically identical to natural diamonds.

Feature	Traditional mined diamond	Lab-grown diamond
Sparkle and brilliance	Identical sparkle	Identical sparkle
Hardness (Mohs scale)	10 (hardest mineral in the world)	10 (hardest mineral in the world)
Origin	Mined from the earth	Grown in a laboratory
Price point	A classic that retains its value	More affordable (often 30–50% cheaper)

Diamond ring materials: White gold, yellow gold, and rose gold

The band of a diamond ring is most commonly made from 14-karat (585) or 18-karat (750) gold. A white gold diamond ring beautifully enhances the diamond's brilliance, while yellow gold creates a warm, traditional contrast. Rose gold adds a romantic and modern touch to the ring.

Cleaning and maintenance of diamond rings

Proper cleaning keeps diamond rings looking bright and sparkling. You can clean the ring at home using mild dish soap and a soft toothbrush. We also recommend having your diamond rings professionally inspected annually to ensure the settings remain secure.

Frequently asked questions about diamond rings

What is a lab-grown diamond ring?
A lab-grown diamond ring features genuine diamonds created in a laboratory. They are chemically and optically identical...