Four Sigmatic vs Jade Leaf
This 2026 comparison covers Four Sigmatic and Jade Leaf across price, testing transparency, heavy metal disclosure, and organic certification. On price, Jade Leaf is $0.22/g less expensive per gram ($0.67/g vs $0.45/g).
At a Glance
Four Sigmatic
- Origin
- Not disclosed
- Grade
- Not specified
- Price per gram
- $0.67/g
- Organic
- Not certified
- Testing
- No public testing information found
- Last verified
- June 27, 2026
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
Key Differences
Price per gram
Better valueFour Sigmatic
$0.67/g
Jade Leaf
$0.45/g
Jade Leaf is $0.22/g less per gram (33% difference).
Origin
Not enough informationFour Sigmatic
Not disclosed
Jade Leaf
Kagoshima and Uji, Japan
Jade Leaf discloses its origin. The other brand has not publicly disclosed its leaf origin.
Organic certification
CertifiedFour Sigmatic
Not certified
Jade Leaf
ORGANIC
Jade Leaf holds organic certification. Four Sigmatic does not have a publicly confirmed organic certification.
Testing transparency
More transparentFour Sigmatic
No public testing information found
Jade Leaf
Claims testing, no published results
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
Four Sigmatic
No published numeric heavy metal results found.
Last checked June 27, 2026.
Jade Leaf
No published numeric heavy metal results found.
Last checked June 21, 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: Four Sigmatic June 27, 2026, Jade Leaf June 21, 2026.
Full Comparison
| Attribute | Four Sigmatic | Jade Leaf |
|---|---|---|
| Origin and Production | ||
Origin | -- | Kagoshima and Uji, Japan |
Grade | -- | Ceremonial |
Country | -- | Japan |
Region | -- | Kagoshima and Uji |
| Price and Value | ||
Price per gram? | $0.67/g | $0.45/g |
Price as of | 2026-06-27 | 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 27, 2026) | No published results found (checked June 21, 2026) |
Published cadmium test result | No published results found (checked June 27, 2026) | No published results found (checked June 21, 2026) |
Published arsenic test result | No published results found (checked June 27, 2026) | No published results found (checked June 21, 2026) |
Published mercury test result | No published results found (checked June 27, 2026) | No published results found (checked June 21, 2026) |
Last verified | June 27, 2026 | June 21, 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.