DIAMONDS MADE, NOT BORN

Every ALTR Created Diamond is grown with 100% solar energy in our pioneering facility.
Formed from Type IIa diamond, the rarest, purest on Earth, our diamonds embody our Ethos, Innovation, and Integrity.

Black and white intimate portrait of a couple about to kiss, highlighting ALTR lab-grown diamond stud earrings worn by the woman. Black and white intimate portrait of a couple about to kiss, highlighting ALTR lab-grown diamond stud earrings worn by the woman.
Black and white lifestyle shot of a romantic moment, featuring a woman’s hand with a round-cut halo diamond engagement ring resting on a man’s neck. Black and white lifestyle shot of a romantic moment, featuring a woman’s hand with a round-cut halo diamond engagement ring resting on a man’s neck.

Vertically Integrated. Socially Responsible

Diamond Growing
Tweezers placing square lab-grown diamond seeds onto a tray of the diamond growing chamber for the ALTR diamond creation process. Tweezers placing square lab-grown diamond seeds onto a tray of the diamond growing chamber for the ALTR diamond creation process.


Diamond Manufacturing
High-precision mechanical arm polishing a brilliant-cut ALTR lab-grown diamond in the manufacturing facility. High-precision mechanical arm polishing a brilliant-cut ALTR lab-grown diamond in the manufacturing facility.
Jewelry Manufacturing
Three round and pear-cut lab-grown diamond solitaire rings on a reflective black surface. Three ALTR Created Diamond engagement rings; round, oval, and pear cut, in 14k white gold on a reflective black surface
Close-up of a smiling woman in a romantic embrace, showcasing a brilliant round-cut ALTR lab-grown diamond engagement ring on a pavé band. A happy couple in a warm sunlit setting, featuring a rose gold halo engagement ring and a delicate diamond tennis bracelet from the ALTR Created Diamonds bridal collection.
A happy couple in a warm sunlit setting, featuring a rose gold halo engagement ring and a delicate diamond tennis bracelet from the ALTR Created Diamonds bridal collection. Close-up of a smiling woman in a romantic embrace, showcasing a brilliant round-cut ALTR lab-grown diamond engagement ring on a pavé band.

Excellence is not defined, it’s crafted, one C at a time

EXPLORE 5Cs
Luxury ALTR Created Diamonds tennis bracelet featuring round-cut pink lab-grown diamonds set in 14k yellow gold, displayed with elegant light reflections.
Luxury ALTR Created Diamonds tennis bracelet featuring round-cut pink lab-grown diamonds set in 14k yellow gold, displayed with elegant light reflections.
A stack of five mixed-metal ALTR lab-grown diamond wedding bands and engagement rings in gold and platinum.
A stack of five mixed-metal ALTR lab-grown diamond wedding bands and engagement rings in gold and platinum.
ALTR J'evar TYPE "X" initial solitaire diamond necklace pendant on a checkered surface.
ALTR J'evar TYPE "X" initial solitaire diamond necklace pendant on a checkered surface.
Master artisan using a jeweler's loupe to inspect an ALTR Created Diamond for quality craftsmanship at ALTR.
Master artisan using a jeweler's loupe to inspect an ALTR Created Diamond for quality craftsmanship at ALTR.
Monochrome landscape of a large solar panel farm powering sustainable ALTR lab-grown diamond production.
Monochrome landscape of a large solar panel farm powering sustainable ALTR lab-grown diamond production.

Creativity

Consistency

Calibration

Craftsmanship

Compliance

At ALTR, Technology and Design
work hand in hand from Creation to Completion.

With proprietary Innovation and over 93 years of diamond expertise, we grow Type IIa diamonds, the purest and rarest on earth, under controlled conditions that emulate the natural process.

This Vertical Integration ensures Consistency, Calibration, and Quality, empowering partners with ALTR Created Diamonds that symbolize both scientific precision and imperishable beauty.

TECHNOLOGY & INNOVATION
Hand-painted illustrative design of a heritage gold flower necklace, ring, and earrings set showcasing ALTR's design heritage
Hand-painted illustrative design of a heritage gold flower necklace, ring, and earrings set showcasing ALTR's design heritage

For centuries, jewelry in India has expressed beauty, power, spirituality, and emotion woven into every moment of life.

Since 1933, ALTR’s founding family has preserved its heritage while redefining it, becoming the first company to pioneer the marketing of Lab Grown Diamonds worldwide.

Rooted in generations of Craftsmanship, ALTR unites Tradition with Innovation, where rare purity meets responsible creation.

Heritage

"SUSTAINABILITY ISN'T JUST A BUZZWORD. IT'S IN OUR DNA"

Amish Shah, 2016

SCS - 007

RJC COUNCIL

SMETA

ECOVADIS

Next Arrow
SCS - 007

SCS - 007

RJC COUNCIL

RJC COUNCIL

SMETA

SMETA

ECOVADIS

ECOVADIS

Next Arrow
EXPLORE RESPONSIBILITY
High-angle lifestyle shot of ALTR Created Diamond letter pendants shaped like 'A' and 'K' on playing cards, featuring a King of Spades, green dice, and a poker chip on a stone surface. High-angle lifestyle shot of ALTR Created Diamond letter pendants shaped like 'A' and 'K' on playing cards, featuring a King of Spades, green dice, and a poker chip on a stone surface.
Luxury lifestyle photography of ALTR lab-grown diamond initial pendants 'S' and 'A' in yellow gold settings, styled next to a cocktail glass with ice and an Ace of Spades playing card. Luxury lifestyle photography of ALTR lab-grown diamond initial pendants 'S' and 'A' in yellow gold settings, styled next to a cocktail glass with ice and an Ace of Spades playing card.

Born from ALTR’s legacy, J’evar is Jewelry with a Conscience.
Influenced by art and architecture, crafted to be desired, owned, and cherished. Discover the collection at J’evar and make it yours.

Explore J'evar
J’evar by ALTR "TYPE" collection display featuring a deck of cards aesthetic to showcase the world's first solitaire alphabet diamond initials. Each card represents a unique hand-cut diamond letter, born from a single Type IIa lab-grown stone. This creative visual highlights the intersection of architectural Art Deco design and sustainable luxury jewelry. J’evar by ALTR "TYPE" collection display featuring a deck of cards aesthetic to showcase the world's first solitaire alphabet diamond initials. Each card represents a unique hand-cut diamond letter, born from a single Type IIa lab-grown stone. This creative visual highlights the intersection of architectural Art Deco design and sustainable luxury jewelry.

ALTR in Global Conversations

ALTR in Global Conversations

Next Arrow
Next Arrow
EXPLORE