Rare Gems • Refined Design • Made For You
GEMSTONES
CUSTOM JEWELRY
DESIGN STUDIO
Knowledge
About
Connect us
GEMSTONES
GEMSTONE FAMILIES
Gems Color
DISCOVER
GEMSTONES
New Arrivals
Rare Finds Gemstones
Collector's Selection
DESIGN STUDIO
JEWELRY TYPE
Design Vision
Life Moments
Gem Silhouettes

ALREADY HAVE A REFERENCE?

Share Your Reference
Upload an image or idea and
begin a custom design.
[ SHARE YOUR REFERENCE ]

NOT SURE WHERE TO BEGIN?

Find Your Direction
A guided way to discover
designs that feel right for you.
[ FIND YOUR DIRECTION ]
About
Brand
Craft
Trust
Connect Us
Get Started
Visit Us
Support
WHY SOOKJAI

Beauty You Can See.
Confidence You Can Keep.

At Sookjai, trust is not claimed—it is earned in how we select, present and follow through. Every step is designed to help you choose with clarity and receive with confidence.
OUR PROMISE

Chosen with Care. Shown with Honesty.
Carried Through with Responsibility.

Trust is built through every detail you are shown, every fact we can confirm and every decision we take responsibility for.
THE SOOKJAI SELECTION

Beauty That Holds Up to a Closer Look

Colour is considered first—but never alone. Clarity, extinction, cut, character and value are reviewed before a gemstone becomes part of the Sookjai collection.
01

DISTINCTIVE COLOUR

Chosen for depth, tone and a colour with presence.
02

CONSIDERED CLARITY

Selected so no inclusion distracts from the gemstone face-up.
03

LIGHT AND BALANCE

Considered in controlled white light and ordinary indoor conditions.
04

VALUE WITH REASON

Beauty and rarity must remain proportionate to what the gemstone is worth.
A carefully selected gemstone examined for colour and clarity
A gemstone photographed under controlled white light
PRESENTED FAITHFULLY

The Gemstone You See Is the Gemstone You Receive

Each gemstone is photographed and filmed as faithfully as possible in controlled white light, without colour alteration. Macro video allows its surface, clarity and overall character to be considered beyond a single flattering angle.

CONTROLLED WHITE LIGHT

One consistent reference for colour and clarity.

NO COLOUR ALTERATION

The gemstone is not recoloured to appear more vivid.

MACRO VIEWS

Surface, clarity and character are shown beyond one angle.

NATURAL LIGHT ON REQUEST

Additional footage can be provided where another perspective is helpful.
DOCUMENTED WITH CARE

What Can Be Confirmed Is Stated. What Cannot Is Left Unsaid.

Treatment, origin and gemstone details follow independent laboratory findings wherever available. Origin is never presented from assumption, and information is revised whenever new evidence asks us to reconsider it.

LABORATORY REPORTS

High-value gemstones, sapphires and spinels are generally accompanied by independent laboratory documentation.

TREATMENT DISCLOSED

Treatment information follows the laboratory report or the evidence available.

ORIGIN WITH EVIDENCE

Origin is stated only where it can be supported.

AUTHENTICITY GUARANTEED

If a gemstone is found not to be natural as described, a full refund is provided.
A gemstone presented with its independent laboratory report
Several gemstones compared for colour, proportion and character
CONSIDERED WITH YOU

Guidance That Leaves the Decision Yours

A gemstone is considered not only for how it looks alone, but for how it may be worn. Its scale, shape, colour and character can each change the feeling of the finished piece.

Sookjai offers a balanced view of the qualities each option brings—without directing you towards the more expensive choice or pressing you to decide before you are ready.
Gemstones and viewing tools prepared for a private appointment

PRIVATE VIEWING NEAR SILOM

View selected gemstones in person with a loupe, gemstone tray and suitable viewing tools. Additional options can be prepared for comparison, with no viewing fee or obligation to purchase.
ARRANGE A PRIVATE VIEWING
Gemstones considered for a personal sourcing request

PERSONAL GEMSTONE SOURCING

Share the gemstone, colour, size and budget you have in mind. Sookjai will seek the strongest quality available within that direction—and tell you honestly when the right stone has not yet been found.
ENQUIRE ABOUT SOURCING
PRICED WITH PERSPECTIVE

VALUE SHOULD MAKE SENSE
BEYOND THE FIRST IMPRESSION

Colour, clarity, weight, cut, treatment, origin and laboratory documentation are considered together. Each gemstone is also viewed within the market to which it belongs before it is offered by Sookjai.

If a gemstone reaches us at a cost that cannot be justified by its quality, it does not become part of the collection.
01

CLEAR PRICING

The price shown is the final gemstone price, presented clearly before you decide.
02

COMPLIMENTARY THAILAND DELIVERY

Standard delivery within Thailand is included, with the gemstone cared for until it reaches you.
03

CHOICE WITHIN YOUR DIRECTION

When needed, suitable alternatives can be considered without compromising the qualities that matter most.
WHEN SOMETHING NEEDS MORE

A PROBLEM IS NOT
PASSED ON TO YOU

If timing changes, the schedule is reviewed and communicated clearly. If a piece differs from the approved direction, Sookjai takes responsibility for correcting it rather than asking you to accept the difference.

When a correction cannot be made with confidence, the piece is made again. We would rather ask for more time than release work that has not earned its completion.
01

REVISED TIMING COMMUNICATED

A new schedule is shared clearly when additional time is required.
02

CORRECTIONS HANDLED BY SOOKJAI

A difference from the approved direction is corrected at our responsibility.
03

REMADE WHERE NECESSARY

If the result cannot be corrected properly, the piece begins again.
04

RELEASED AFTER FINAL QC

Nothing is delivered while an important detail remains unresolved.
Responsibility means carrying the work through—not passing the consequence on to you.
THE SOOKJAI ASSURANCE

CONFIDENCE THAT CONTINUES
BEYOND THE DECISION

Clear documentation, time to consider and careful delivery support the confidence with which each gemstone is chosen.
01

AUTHENTICITY GUARANTEED

Every gemstone is supported by the documentation available and our commitment to its authenticity.
02

THREE-DAY CONSIDERATION

An unset gemstone may be returned within three days of receipt if it is not right for you and remains in its recorded condition.
03

SECURE
DELIVERY

Tracked EMS, trusted Bangkok delivery or collection near Silom—with responsibility retained until the piece reaches you.
04

YOUR COLLECTION RECORDED

A lasting record of your gemstone and jewellery is kept for future care, reference and certification support.
CHOOSE WITH CLARITY

A GEMSTONE TO FEEL CONFIDENT IN BEFORE IT BECOMES YOURS

Explore gemstones chosen with care, or speak with Sookjai about the colour, character and purpose you have in mind.