Round amethyst cabochon, 4 mm, available in packs of 4 or 12 pieces.
Item details
| Mineral |
Amethyst (quartz, SiO₂, violet variety) |
| Dimensions |
4 mm diameter × approx. 2-3 mm height |
| Shape and back |
Domed round (cabochon), flat back |
| Finish |
Mirror polish |
| Hardness |
7 Mohs — suitable for everyday jewelry including rings |
| Origin |
Material selected from wholesale market |
| Treatment |
Untreated |
| Availability |
Pack of 4 pieces · Pack of 12 pieces |
This specific selection
At 4 mm, lavender amethyst offers a discreet and elegant violet color point: saturated enough to be visible in finished jewelry, soft enough not to dominate the design.
A pack of 4 pieces covers a pair of earrings with 2 additional accent stones or 4 pavé points in a small piece.
How color forms in amethyst
Amethyst is quartz (SiO₂) whose violet color is produced by the combination of two factors: traces of iron in the crystal lattice (Fe³⁺ replacing Si⁴⁺) and exposure to natural radiation during geological formation.
What setting it works for
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Pavé in 925 silver — the lavender violet of amethyst on white silver is a classic combination in gemstone jewelry. The 4 mm format allows for dense pavé with a continuous texture. It works for both minimalist designs and more elaborate pieces.
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4-prong bezel setting — the 4 mm 4-prong 925 silver bezel is the standard setting for this size; the pieces fit directly into most commercial mountings. The open base of the bezel allows light to pass through the stone, adding luminosity to the violet.
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Pair of stud earrings — two pieces set in a 925 silver bezel or a prong setting create discreet and elegant stud earrings. The lavender violet combines with any skin tone and with silver, white gold, and yellow gold.
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Accent in designs with a central stone — distributed as an accent around a larger central stone (aquamarine, blue topaz, rose quartz), 4 mm amethysts provide a second color that enriches the composition without competing with the main stone.
Amethyst in lapidary tradition
Amethyst is one of the most documented gemstones in history: it appears in Egyptian jewelry from the Middle Kingdom (2000 BC), in medieval episcopal rings, and in the crowns of European kings as an affordable substitute for ruby in periods of scarcity.
The symbolic properties attributed to minerals belong to cultural and historical traditions. They are shared for educational purposes, not as medical advice or a substitute for professional care.
How to recognize genuine amethyst versus imitations
Genuine amethyst is quartz: it has a hardness of 7 (scratches glass, not the other way around), has no visible bubbles under magnification, and its color shows the characteristic zoning of crystal growth (more intense in some sectors).
Frequently asked questions
Is amethyst treated?
Untreated. The violet is the natural color of quartz with irradiated iron traces.
Does amethyst lose color in the sun?
Yes, with prolonged exposure to direct UV light. The color mechanism is reversible by radiation, so sun exposure for weeks can slightly fade the violet.
Do the 4 or 12 pieces in the pack have the same color?
The lavender color is homogeneous within the lot, with minor variations being inevitable as it is natural material.
Do they fit standard 4 mm bezels?
Yes, in the vast majority. The pieces are calibrated to 4 mm (±0.1 mm).
How many pieces do I need for pavé?
For reference: 12 pieces of 4 mm cover approximately 48 linear mm of pavé with a 0.5 mm separation between stones.
How do I care for amethyst in jewelry?
With warm water and neutral soap; avoid ultrasound if there are micro-fissures, intense heat, and prolonged direct UV light. Store in a closed compartment away from light. More information in our jewelry care guide.
More about amethyst: amethyst properties, meaning, and uses. See also: cabochons for jewelry · handmade earrings.
