Find your extraordinary.
Distinct personalities.
One uncompromising eye for beauty.
01
Recrystallized Emerald
RECRYSTALLIZEDRecrystallized emerald, grown from natural emerald material. Discover rich green colour, distinctive inclusions and available cuts.
02
Recrystallized Ruby
RECRYSTALLIZEDRecrystallized ruby with a deep red presence. Explore the collection and enquire about cuts, sizes and individual stone character.
03
Lab Grown Sapphire
RECRYSTALLIZEDLab grown sapphire in blue, pink and other shades. Discover the DIAMONDLITE recrystallized sapphire collection.
04
Alexandrite
RECRYSTALLIZEDOne stone. A change of light.
05
Lab Grown Paraiba Tourmaline
LAB-GROWN GEMExplore our lab grown Paraiba tourmaline collection, from light blue to blue-green, with or without inclusions. Enquire for material specifications.
06
DIAMONDLITE
NANO-DIAMOND COATEDA different kind of brilliance.
A spectrum of possibility.
Every stone, cut and shade in the collection, photographed in the studio.
TEN STONES. A COMMON LANGUAGE.
The master
grading set.
A DIAMONDLITE colour reference set spanning D to M, presented in a fitted case for side-by-side comparison.
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Screen colours are illustrative; use the physical set for comparison.
Sizes, pricing and details ↗ Enquire about a set ↗A DIFFERENT KIND OF PRECIOUS
Beauty is only
the beginning.
A gemstone holds a world within it.
We see the possibility of another.
Through the art of recrystallization, selected gemstone material finds a new expression. A meeting of natural beauty, scientific curiosity and an exacting eye for colour.
Enter the world within ↓OUR PERSPECTIVE
大阪 · 日本From Japan.
With intention.
Precision is a practice.
Beauty is a pursuit.
Based in Osaka, Apple Green Diamond Inc. introduced neon-green, HPHT-treated natural diamonds under the APPLE GREEN DIAMOND brand in 2001. DIAMONDLITE followed in 2009, with our recrystallized gemstone collections introduced in 2010.
Our work brings together a fascination with gemstones and the possibilities of technology. We invite you to look closer.
More about the house ↗2001
THE BEGINNING
2009
DIAMONDLITE
2010
RECRYSTALLIZED COLOUR
2012
DIAMOND COLOUR GRADING
2021
RUBY & SAPPHIRE GRADING
FROM THE HOUSE
Notes on colour.
Why Emerald Inclusions Are Magical The Story of “Jardin”
Ask an emerald lover what makes an emerald beautiful, and color will probably come…
Blue Sapphire Guide: Origins, Price, Rings & Lab Grown Sapphire
Blue sapphire has captivated jewelry lovers for centuries. Yet every blue sapphire is different.…
Lab Grown Paraiba
Ethiopian Paraiba Tourmaline Discovery May Change the Global Gemstone Market A potential new source…
The intensity of ruby
A study in sapphire
MEET US AROUND THE WORLD
From Japan.
To the global trade.
Selected 2025 exhibitions
Our collections connect with the international jewellery trade in Las Vegas, Mumbai and Hong Kong.
Arrange a trade conversation ↗YOUR NEXT DISCOVERY
Some things deserve
a closer look.
For stone availability, specifications and trade enquiries,
begin a conversation with our team in Japan.
Worldwide shipping · Individual stones and trade enquiries
Begin a conversation ↗