Diamonds

A unique symbol of eternity

A diamond is a symbolic gem: not only does it convey love, but for even longer, it has signified eternity. Regardless of its size and whether it stands for a special connection between two people or is worn for a different occasion, it will give lifelong pleasure.

The platinum ring with a step-cut diamond, 11.26 ct, features an eye-catching centre stone and a distinguished, delicately worked ring setting. The ring features details such as baguette diamonds as well as two small rubies decorating the ring band. Many consider the ruby the king of gemstones. For Gübelin Jewellery, the ruby stands for the philosophy “Deeply Inspired” and underpins the fact that we take our inspiration from an equal share of both beauty and knowledge.

  • Necklace

    Necklace

    White gold necklace with a 1.14 ct brilliant-cut diamond in a "6-prong setting".

  • Earrings

    Earrings

    White gold earstuds “6-prong setting” with two brilliant-cut diamonds of each 0.80 ct.

  • Ring

    Ring

    White gold ring with a 0.53 ct brilliant-cut diamond in a 6-prong setting.

  • Ring

    Ring

    White gold ring with a 0.61 ct brilliant-cut diamond in a 4-prong setting.

  • Necklace

    Necklace

    White gold necklace with a 0.79 ct brilliant-cut diamond in a "4-prong setting".

  • Earrings

    Earrings

    White gold earstuds in “4-prong" setting with two brilliant-cut diamonds of 1.02 ct and 1.04 ct.

  • Ring

    Ring

    White gold ring featuring a 0.77 ct brilliant-cut diamond and 28 brilliant-cut diamonds, totalling 0.19 ct.

  • Ring

    Ring

    White gold ring with a 2.09 ct brilliant-cut diamond and 142 brilliant-cut diamonds, totalling 0.42 ct.

  • Ring

    Ring

    White gold ring with three brilliant-cut diamonds, totalling 0.90 ct.

  • Ring

    Ring

    White gold ring with 25 brilliant-cut diamonds, totalling 1.50 ct.

Carat

The origins of the carat measurement can be traced back to the seed of the carob tree, which served as a weight unit on oriental bazaars. At the beginning of the last century, the Europeans agreed to the standard metric value. Usually abbreviated ct, 1.00 ct equals 0.2 grams and is presented with two decimal places. The value of a diamond increases with the carat size and rarity. It comes as no surprise then, that a one-carat diamond is generally more valuable than four quarter-carat diamonds of the same quality.

Cut

Only a combination of perfect proportions, symmetry and polish achieves maximum brilliance in gemstones. The cut of a diamond describes how it is faceted and is therefore of utmost importance. The round brilliant cut with at least 57 facets is considered ideal. But oval, as well as heart, cushion and pear shape diamonds are also very popular.


In accordance with the high Gübelin standards, only round brilliant-cut diamonds with an “excellent” cut grade, and an “excellent” or “very good” symmetry and polish are selected for our jewellery. All diamonds above 0.50 ct weight are accompanied by two reports, one from the Gübelin Gem Lab and one from the Gemological Institute of America (GIA).

Colour

When it comes to colour, the discerning eye will distinguish minimal nuances which can greatly influence the value of the diamond. The less visible the colour, the more valuable the gem. Diamonds are graded on a scale from D to Z, D being the highest and colourless. Medium and strong fluorescence, which is visible when exposed to ultraviolet light, can negatively affect the value of the diamond. According to the high standards, Gübelin only considers using diamonds which are graded D-H and are given a fluorescence rating of “none” or in some cases “faint” or “weak”.

Clarity

The clarity of a diamond is graded under tenfold magnification and describes the relative absence of inclusions and blemishes. Gübelin experts adhere to particularly strict guidelines when purchasing diamonds. They are to reject gems that display chipping as well as ones with inclusions that extend to the surface in order to avoid any possible fracturing of the diamond. Even in the case of inclusions, the experts take care that they are in a location that makes them barely visible. In general, Gübelin rejects diamonds with black inclusions. The clarity grades which are accepted by Gübelin range from “flawless” (FL) to “slightly included 1” (SI1).

Competence through tradition

Thanks to our precious stones expertise, you benefit from the best diamond prices.

For assistance by phone please call us from Monday to Friday from 9 a.m. to 10 p.m., on Saturday from 10 a.m. to 5 p.m. and on Sunday from 9 a.m. to 12:30 p.m. and from 2 p.m. to 7 p.m. on +41 840 500 500.

We are looking forward to welcome you in one of our boutique.

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