Colour grading
Reading colour with precision
Hue, tone and saturation are assessed under controlled light to understand the stone’s true colour—not simply its first impression.
One Gem · Ring
18K Tourmaline (green) Ring
2.09 ct Tourmaline (green)
Price on request
One-of-a-kind piece. This stone has found its owner.
- SKU
- C5FB-CQ2-0-65
- Gemstone
- Tourmaline (green)
- Stone Weight
- 2.094 ct
- Metal
- 18KY Gold
- Ring Size
- US6.5
- Gold Weight
- 2.431 gm
One Gem
Enquire about this piece
18K Tourmaline (green) Ring
2.09 ct Tourmaline (green)
C5FB-CQ2-0-65
The beginning
It begins with a stone unlike any other.
A vivid colour glimpsed from across the room. An unexpected hue that changes as it meets the light. A flash of brilliance held within the earth for millions of years. The One Gem Collection begins not with a sketch, but with that moment of discovery—when a natural gemstone reveals a character entirely its own.
Chosen by nature
Colour with a character of its own
No two natural gemstones are exactly alike. Each carries subtle variations in colour, tone and sparkle—the beautiful signatures of its origin. We seek stones with presence: saturated colour, unusual nuance and the kind of radiance that cannot be manufactured.
Rather than asking a gemstone to conform to a design, we listen to what it wants to become. Its proportion guides the setting. Its colour inspires the metal. Its light determines every final detail. The result preserves what made us stop and look twice in the first place.
The art of less
Designed to let one beautiful thing speak
Minimalism, to us, is not about absence. It is about clarity. Clean lines and considered proportions create space for the gemstone to be fully seen—its depth, its fire, its singular personality.
Every piece balances two ideas: simple yet elegant, current yet enduring. Refined enough to accompany an evening of significance, effortless enough to become part of your everyday rhythm. Jewellery you never need to save for later.
Made for your life
From ordinary mornings to unforgettable nights
The woman of today moves between many worlds. Her jewellery should move with her. A luminous pendant becomes a signature over a crisp white shirt. A vivid ring brings colour to the everyday. The same piece catches candlelight at dinner, marks a celebration, or quietly reminds her of a moment only she understands.
These are not pieces made for one look or one season. They are designed to be worn instinctively, layered personally and loved repeatedly—an expression of style that becomes more individual with time.
Expertise at every stage
Knowing what makes a gemstone exceptional
Beauty draws the eye. Expertise reveals what lies beneath it. From the first examination to the final setting, every One Gem piece passes through experienced hands trained to recognise, preserve and enhance the character of a natural stone.
Gemological examination
Looking beneath the surface
Magnification reveals the inclusions and growth features that help establish natural origin and give each gemstone its individual fingerprint.
Proportion
Measuring before designing
Exact dimensions, symmetry and depth guide a setting created for the stone itself—never a generic mount that asks the stone to fit.
Stone-led design
Designing around character
Orientation, scale and setting lines are considered around the gemstone’s strongest qualities, allowing its natural personality to lead.
Finishing
Refining every surface
Hand finishing brings lustre to the gold while preserving crisp setting lines and protecting the gemstone at the centre of the piece.
Final inspection
Examining the finished piece
Setting security, alignment, finish and wearability are checked one final time before the jewellery is ready to become part of your life.
Professional gem analysis
Evidence behind every selection
Expert judgement is supported by careful observation and professional gemological methods. These tests help us understand identity, optical properties, weight and cut performance before a stone enters the design process.
A future heirloom
Made to outlive the moment
The most meaningful jewellery gathers a life around it. It remembers the day it was chosen, the places it travelled and the hands that wore it. In time, a personal treasure becomes a family story—passed on not simply because it is precious, but because it holds a piece of you.
One Gem is our promise to create with that future in mind: enduring materials, thoughtful craftsmanship and natural beauty worthy of becoming part of your heritage collection.
“One stone, chosen for its soul. One piece, made for your story.”
The One Gem Collection