Makhni Enterprises logo Makhni SINCE 1975
DIRECT FROM MINES

Fine coloured gemstones.

Since 1975, the Makhni family has brought exceptional gemstones from the world’s great mines to the finest dealers and jewellers. Each stone is chosen by hand in Bangkok, offered unheated or heated, and independently certified.
DIRECT FROM MINES

Fine coloured gemstones.

Since 1975, the Makhni family has brought exceptional gemstones from the world’s great mines to the finest dealers and jewellers. Each stone is chosen by hand in Bangkok, offered unheated or heated, and independently certified.
Est. 1975Fifty years of trusted provenance
Direct from minesThe finest gemstones, direct from Burma, Sri Lanka and Africa
GIA Graduate GemologistOur in-house team of GIA Graduate Gemologists hand-selects only the finest stones
Independently certifiedGRS · GIA · Bellerophon · Gübelin
OUR HERITAGE A family legacy, rooted in the mines of Mogok. Discover our heritage → THE COLLECTION Rubies, sapphires & the rarest of colours. Explore the collection → UPCOMING EXHIBITION Tucson GJX · 30th January – 4th February 2027 Booths 1235, 1435 View all exhibitions → CONTACT US Looking for a particular stone? Get in touch →
THE COLLECTION

Fine stones, known deeply.

We choose rather than collect. Each fine single stone, from 1 to 10 carats and beyond, is unique in quality — always bright, beautiful and eye-catching. Quality is never sacrificed for quantity.

A matched pair of cushion-cut rubies

Rubies

01

Heated and unheated, from Burma (Myanmar) and Africa. A wide range from 1 to 10 carats and above, all well cut.

BurmaMozambiqueUnheated
Five fine blue sapphires in oval and cushion cuts

Sapphires

02

Blue from light to cornflower to intense royal, from Burma, Sri Lanka and Africa. Also pink, yellow and white.

CeylonFancy colours
A collection of padparadscha and pink-orange sapphires

Padparadschas

03

The rare lotus-blossom sapphire — a delicate balance of pink and orange, prized by collectors.

Sri LankaUnheated
A vivid cushion-cut tsavorite

Tsavorites

04

Vivid green garnets from East Africa, in fine single stones selected for colour and brilliance.

KenyaTanzania

Alexandrites

05

Colour-change chrysoberyl — green in daylight, turning red to purple under incandescent light.

Colour changeFine single stones

Spinels

06

Fine natural spinels in vivid reds, hot pinks and rare hues — a collector's gem, prized for its brilliance and increasingly sought after by the trade.

BurmaRed & pinkUnheated

Others

07

Blue zircons, fancy sapphires and more. Send us the shape, size and colour you need — we'll reply with matching stones, videos and certificates.

Send a requirement
Rubies, blue sapphires and yellow sapphires on a mirror A colourful selection
Parambir Makhni cutting gemstones at the lapidary wheel
Parambir Makhni cutting gemstones
portrait — Pammy Makhni
portrait — Karan Makhni
OUR STORY

Two generations, one standard.

Gemstones run in the family. Decades ago, Parambir Singh "Pammy" Makhni's maternal family owned mines in Mogok, Burma, and traded its rubies and sapphires.

1975Pammy arrives in Bangkok, buying rough at the mines, then cutting, polishing and selling in the local market.
1981Makhni Enterprises is founded, exporting fine rubies and sapphires to clients around the world.
2005Karan Makhni joins after earning his Graduate Gemologist diploma at GIA, Carlsbad.
TodayA trusted name in the coloured stone trade, serving dealers and retailers across the globe.
CERTIFICATION & TRUST

Independently verified, every time.

Most of our stones are supplied with reports from the world's leading laboratories, so you and your clients buy with complete confidence.

GRS GemResearch Swisslab
GemResearch Swisslab
GIA Gemological Institute of America
Gemological Institute of America
Bellerophon Gemlab
Bellerophon Gemlab
Gübelin Gem Lab
Gübelin Gem Lab
Buy With Confidence certificate issued to Makhni Enterprises L.P. by the Ministry of Commerce, Thailand
RECOGNISED BY THE GOVERNMENT OF THAILAND

A Buy With Confidence member.

Makhni Enterprises is one of a select group of companies certified under Thailand's Buy With Confidence programme, awarded by the Gem and Jewelry Business Development Committee of the Ministry of Commerce. The certification recognises trusted, responsible dealers who uphold the highest standards of customer service and ethical business practice.

MEMBER SINCE 1991

Thai Gem & Jewelry Traders Association.

For more than three decades, Makhni Enterprises has been a member of the Thai Gem and Jewelry Traders Association — the leading trade body for Thailand's gem and jewellery industry. Our long-standing membership reflects a lasting commitment to the integrity, professionalism and shared standards on which the Bangkok gem trade is built.

Thai Gem and Jewelry Traders Association membership certificate for Makhni Enterprises Limited Partnership, member since 1991
EXHIBITIONS

Visit us at:

30–4 JAN–FEB
Tucson · GJX 30th January – 4th February 2027 Booths 1235, 1435
23–27 FEB
Bangkok Gems & Jewelry Fair · QSNCC 23rd February – 27th February 2027 Booths AA14, 16 · BB13, 15
2–6 MAR
Hong Kong Show 2027 2nd March – 6th March 2027 Booth AWE 11-A08
BLOG

Notes from the trade.

Stories from the mines, the trade shows and our office in Bangkok. First entries coming soon.

From our Instagram @makhnigems →
Follow along on Instagram · @makhnigems
AWARDS

Recognised by the trade.

Mr. Parambir Makhni receiving the Award of Excellence from GRS GemResearch Swisslab GRS GemResearch Swisslab Award of Excellence plaque presented to Makhni Enterprises
Award of Excellence This award was presented to Mr. Parambir Makhni, founder of the company, for gemmological knowledge and for supplying the gem industry with the most beautiful gemstones. Presented by GRS GemResearch Swisslab.
AIGS Certificate of Appreciation presented to Makhni for The World's Most Beautiful Ruby Contest 2017
Certificate of Appreciation2017 · AIGSPresented by the Asian Institute of Gemological Sciences and the Gem and Jewelry Institute of Thailand for The World's Most Beautiful Ruby Contest 2017 — a recognition of gemstones of singular quality, always bright, beautiful and impossible to overlook.
Karan Makhni receiving the JNA Award at the Makhni Enterprises booth, Thailand Pavilion, Hong Kong Jewellery News Asia article: JNA Awards' Wonder of the World Honourees announced
JNA Awards — Wonder of the World Honouree Makhni Enterprises was named an Honouree in the Wonder of the World category of the inaugural JNA Awards in Hong Kong, for a rare, well-matched pair of unheated oval rubies. GIA noted their large size, saturated red colour, high transparency and fine proportions. As featured in Jewellery News Asia.
Mr. Parambir Makhni pictured in The Siamese Ruby, at a ruby trading table in Chanthaburi
PUBLISHED IN The Siamese Ruby The founder of Makhni Enterprises, Mr. Parambir Makhni, has also been featured in prestigious books such as The Siamese Ruby, pictured here at the ruby trading tables of Chanthaburi, Thailand.
TRADE ENQUIRIES

Tell us what you're looking for.

We work with dealers, retailers and jewellers. Expect a personal reply, usually within one business day (Bangkok time).

 Your email app has opened with this enquiry ready to send. If it didn't, please email us at makhni@gmail.com. ({{ sendReason }})
Thank you.

Your enquiry has reached us in Bangkok. We'll reply personally, usually within one business day.
VISIT OUR OFFICE

See the stones in person.

We're on the 36th floor of the Jewelry Trade Center on Silom Road — the heart of Bangkok's gem district. Visits are by appointment.

ADDRESS919/439, 36th Floor
Jewelry Trade Center
Silom Road, Bang Rak
Bangkok 10500, Thailand
Book an appointment
map — Jewelry Trade Center, Silom