Jade Leaf vs Marukyu-Koyamaen
Jade Leaf sources from Kagoshima and Uji, Japan while Marukyu-Koyamaen sources from Uji, Japan, giving each brand a distinct terroir and flavor profile. On testing transparency, Jade Leaf (Tier 2) discloses more than Marukyu-Koyamaen (Tier 4), though neither publishes a full numeric ppb COA. On price, Jade Leaf is $0.68/g less expensive per gram ($0.45/g vs $1.13/g).
At a Glance
Jade Leaf
- Origin
- Kagoshima and Uji, Japan
- Grade
- Ceremonial
- Price per gram
- $0.45/g
- Organic
- ORGANIC
- Testing
- Claims testing, no published results
- Last verified
- June 21, 2026
Marukyu-Koyamaen
- Origin
- Uji, Japan
- Grade
- Ceremonial
- Price per gram
- $1.13/g
- Organic
- Not certified
- Testing
- No public testing information found
- Last verified
- June 24, 2026
Key Differences
Price per gram
Better valueJade Leaf
$0.45/g
Marukyu-Koyamaen
$1.13/g
Jade Leaf is $0.68/g less per gram (60% difference).
Origin
DifferentJade Leaf
Kagoshima and Uji, Japan
Marukyu-Koyamaen
Uji, Japan
Jade Leaf sources from Kagoshima and Uji, Japan. Marukyu-Koyamaen sources from Uji, Japan. Different growing regions produce distinct flavor profiles.
Organic certification
CertifiedJade Leaf
ORGANIC
Marukyu-Koyamaen
Not certified
Jade Leaf holds organic certification. Marukyu-Koyamaen does not have a publicly confirmed organic certification.
Testing transparency
More transparentJade Leaf
Claims testing, no published results
Marukyu-Koyamaen
No public testing information found
Jade Leaf discloses more testing information. Lower transparency tier means more public disclosure.
Which Should You Choose?
Choose Jade Leaf if:
- You want the lower price per gram
- Testing transparency is important to you
- Organic certification matters to you
Heavy Metal Testing
Jade Leaf
No published numeric heavy metal results found.
Last checked June 21, 2026.
Marukyu-Koyamaen
No published numeric heavy metal results found.
Last checked June 24, 2026.
Source: brand-published COAs and independent test results. Values are from specific batches and dates. The absence of published data does not indicate safety or danger. Last verified: Jade Leaf June 21, 2026, Marukyu-Koyamaen June 24, 2026.
Full Comparison
| Attribute | Jade Leaf | Marukyu-Koyamaen |
|---|---|---|
| Origin and Production | ||
Origin | Kagoshima and Uji, Japan | Uji, Japan |
Grade | Ceremonial | Ceremonial |
Country | Japan | Japan |
Region | Kagoshima and Uji | Uji |
| Price and Value | ||
Price per gram? | $0.45/g | $1.13/g |
Price as of | 2026-06 | 2026-06 |
| Organic Certification | ||
Organic status | ORGANIC | -- |
| Testing and Transparency | ||
Testing transparency | Claims testing, no published results | -- |
Publishes numeric lab results | -- | -- |
Third-party testing disclosed | -- | -- |
Pesticide testing | -- | -- |
Published lead test result | No published results found (checked June 21, 2026) | No published results found (checked June 24, 2026) |
Published cadmium test result | No published results found (checked June 21, 2026) | No published results found (checked June 24, 2026) |
Published arsenic test result | No published results found (checked June 21, 2026) | No published results found (checked June 24, 2026) |
Published mercury test result | No published results found (checked June 21, 2026) | No published results found (checked June 24, 2026) |
Last verified | June 21, 2026 | June 24, 2026 |
Frequently Asked Questions
Related comparisons
All data in this comparison is sourced from publicly available COAs, brand websites, and independent test results. Every safety data point carries its source and last-verified date. Steady Matcha does not conduct or claim ownership of third-party test results for other brands. Brand information changes: verify current status before purchasing.