# Diamonds and Hydrogen

Their prices have moved together.

Source page: https://www.materialinsights.org/links/diamonds-and-hydrogen/

[Diamonds](https://www.materialinsights.org/commodities/diamond/) (commodity) and [Hydrogen](https://www.materialinsights.org/chemicals/hydrogen/) (chemical): 1 relationship.

## How they are linked

### 1. Price link: lab-grown input

*Cost and price · Weak · Both ways*

Lab-grown diamonds are grown by chemical vapour deposition from methane in a hydrogen plasma, so hydrogen is a direct input to the main competitor of mined stones. The hydrogen index shows no correlation with gem prices (0.03 monthly).

- **0.03** monthly change correlation
- **-0.14** 12-month change correlation
- **-0.09** fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.