PREMIUM GEMSTONE | Natural Stone Jewelry
PREMIUM GEMSTONE — Natural Stones That Carry Fortune
Opal · Moonstone · Labradorite · Kyanite · Ametrine · Aquamarine · Sapphire · Blue Topaz · Morganite

PREMIUM GEMSTONE is SMUK's premium jewellery collection, created to bring the beauty of carefully selected natural stones from around the world into everyday life. Not only for special days, but to sit naturally alongside your daily style — so you can feel the individuality and brilliance unique to natural stones up close. We value the balance of each stone's colour, clarity, brilliance and natural variation, checking and selecting every piece by hand.
Our Commitment
Silver 925 × Rhodium Plating
Every piece in this collection is Sterling Silver 925 finished with rhodium plating. It resists tarnish and keeps a clean, lasting shine. The rhodium also carries the meaning of gently enveloping the stone's brilliance.

Each natural stone is selected one by one for colour, clarity and the beauty of its cut. A setting that showcases each stone brings out its natural presence and dimension.
Not a size that demands attention,
but a presence that feels expansive.
Opal
Opal's unique play-of-colour shifts with every angle of light. We paired Ethiopian, untreated, undyed natural opal with Italian-made Silver 925 × rhodium. Choose from large stones to classic sizes, including earrings.
Birthstone October
Treatment Untreated, undyed
Meaning Creativity, hope, inner light







Round Opal Earrings
approx. 7mm / approx. 1.0ct — SE260901
A round bead of light at your ear

Oval Opal Earrings
approx. 9×7mm / approx. 1.2ct — SE260902
Large play-of-colour, swaying at your ear

Moonstone
A bluish light drifts within the translucent stone — "adularescence" (the schiller effect). We paired Indian natural moonstone with Italian-made Silver 925 × rhodium. Necklaces come in four cuts: Emerald, Oval, Heart and Round.
Birthstone June
Zodiac Cancer (6/22–7/22) · Gemini (5/21–6/21)
Meaning New beginnings, intuition, change & renewal

Emerald
Moonstone Necklace
approx. 8×6mm / approx. 1.7ct — SN260306
The largest cut in the series


Heart
Moonstone Necklace
approx. 6mm / approx. 0.7ct — SN260307
A lovely form that symbolises "love"

Round
Moonstone Necklace
approx. 5mm / approx. 0.8ct — SN260304
Full-moon round, an everyday size

Moonstone
Round Stud Earrings
Sterling Silver 925 · Rhodium
Prongs set behind the stone, so it stands out larger

Moonstone
Necklace & Earrings Set
Sterling Silver 925 · Rhodium
A matching set of necklace and earrings
Labradorite
Tilt the stone and blue or violet light suddenly appears — "labradorescence". We paired Indian natural labradorite with Silver 925 × rhodium. Choose from four styles, from a classic simple design to special combinations with other natural stones.
Zodiac Guardian stone of Cancer (6/22–7/22)
Planet Moon · guardian Artemis
Meaning Intuition, transformation, protection — the stone of magic


Oval
Labradorite Necklace
approx. 8×6mm / approx. 1.4ct — SN260601
An elegant, grown-up single stone

Labradorite
× Aquamarine Necklace
With March birthstone aquamarine — SN260604
Two blues meeting

Labradorite × Tanzanite
× White Topaz Necklace
December birthstone & 24th-anniversary stone — SN260603
Three stones weaving a night gradient

Round
Labradorite Earrings
Sterling Silver 925 · Rhodium — SE260601
Stud type · approx. 5mm

Oval
Labradorite Earrings
Sterling Silver 925 · Rhodium — SE260602
Stud type · approx. 8×6mm


Oval
Necklace & Earrings Set
Sterling Silver 925 · Rhodium — ST260601
An elegant, grown-up pair
Kyanite
A deep, clear blue reminiscent of sapphire. We paired Nepalese natural kyanite with Italian-made Silver 925 × rhodium. All untreated, delivering the stone's natural blue as it is. A rare stone whose hardness changes with the crystal's direction.
Origin Nepal (Himalaya)
Treatment Untreated
Meaning Independence, adaptability, purity



Ametrine
A bicolour quartz where violet (amethyst) and yellow (citrine) melt into a single crystal. We paired natural, untreated ametrine from Bolivia's Anahí mine with Italian-made Silver 925 × rhodium. This time we chose larger stones so you can fully enjoy the colour gradation.
Birthstone February · November
Origin Bolivia (Anahí mine) · untreated
Meaning Harmony, stability



![Ametrine [size up] rectangle Silver 925 stud earrings rhodium plated hypoallergenic SMUK](https://cdn.shopify.com/s/files/1/0599/5610/1315/files/ametrine-silver-stud-earring-28.webp?v=1766060261)
Aquamarine
A clear, watery blue like the sea. We paired natural aquamarine — a member of the beryl family, like emerald and morganite with Italian-made Silver 925 × rhodium. Necklaces come in four cuts.
Birthstone March
Family Beryl
Meaning Happiness, composure, wisdom

Pear Shape
Aquamarine Necklace
approx. 6×4mm / approx. 0.35ct — SN260701
A soft teardrop of blue

Round
Aquamarine Necklace
approx. 5mm / approx. 0.5ct — SN260702
A round shape for everyday

Octagon
Aquamarine Necklace
approx. 7×5mm / approx. 0.85ct — SN260707
A precise octagon cut

Blue Sapphire
A deep, dignified blue. A variety of corundum, second only to diamond in hardness — we paired African natural, untreated blue sapphire with Italian-made Silver 925 × rhodium.
Birthstone September
Origin Africa · untreated · Mohs 9
Meaning Compassion, sincerity, nobility

Octagon
Blue Sapphire Necklace
approx. 6×4mm / approx. 0.65ct — SN260711
A deep, clear, dignified blue
London Blue Topaz
A deep, clear, grown-up blue. High hardness makes it well suited to everyday wear — we paired Brazilian natural London blue topaz with Italian-made Silver 925 × rhodium. Necklaces in five cuts, earrings in two.
Birthstone November
Origin Brazil · Mohs 8
Meaning Intellect, sincerity, success







Morganite
A soft, pink light. A member of the beryl family like emerald and aquamarine — we paired Brazilian untreated morganite with Italian-made Silver 925 × rhodium. Fine untreated stones are scarce on the market and tend to rise in price.
Origin Brazil · untreated
Family Beryl
Meaning Love, tenderness
Amethyst
The February birthstone, prized for its deep violet. We paired faceted amethyst with Silver 925 × rhodium. Choose from a swaying hook or a clean stud.
Birthstone February
Zodiac Aquarius / Pisces
Meaning Calm of mind, intuition


Blue Topaz
A fresh, clear blue — the November birthstone. We paired faceted blue topaz with Silver 925 × rhodium. Choose from hook, stud (rectangle), or size-up.
Birthstone November
Meaning Intellect, success, a new step
Lavender Quartz
A gentle lavender hue. We paired faceted lavender quartz with Silver 925 × rhodium. Choose from a swaying hook or a size-up stud.
Colour Gentle lavender
Meaning Emotional balance, calm

![Lavender quartz [size up] rectangle Silver 925 stud earrings rhodium plated hypoallergenic SMUK](https://cdn.shopify.com/s/files/1/0599/5610/1315/files/lavender-quartz-silver-stud-earrings-10.webp?v=1766060515)
About Pre-order Items
Some items in this collection are offered as pre-order items. They ship in turn as soon as stock arrives and inspection is complete.
※ If you order pre-order and in-stock items together, everything ships together once all items are ready.
※ Pre-order items cannot be cancelled, changed or returned after the order is confirmed. Please review carefully before ordering.
※ As all natural stones come from nature, colour, clarity and pattern vary from piece to piece. Please understand this as each stone's own expression.
Not to change something, but as jewellery for layering your days while cherishing who you are now.
May PREMIUM GEMSTONE bring the brilliance unique to natural stones into your everyday.
- Kyanite Guide|The deep blue of the Himalayas
- Opal Guide|Rainbow light and a love for the sea
- Labradorite Guide|A stone that holds the aurora
- Moonstone Guide|The glow of the moon
- Aquamarine Guide|Clear spring–summer blue
- Pearl Collection|Elegant, luminous light
- Lapis Lazuli Guide|A night sky in stone





![Blue topaz [size up] rectangle Silver 925 stud earrings rhodium plated hypoallergenic SMUK](https://cdn.shopify.com/s/files/1/0599/5610/1315/files/blue-topaz-silver-stud-earrings-1-cm-16.webp?v=1766060292)