When exploring stone sculptures, two primary creation methods emerge: commissioned and speculative works. Commissioned stone sculptures are custom pieces created at a client's request, tailored to specific dimensions, themes, or locations. Artists collaborate closely with patrons throughout the process, from conceptual sketches to final polishing. These works often serve commemorative, architectural, or personal decorative purposes.

Speculative sculptures (or "spec" works) are created without a predetermined buyer. Sculptors produce these pieces based on their artistic vision, experimenting with techniques or exploring new concepts. These works are typically displayed in galleries, exhibitions, or the artist's studio until purchased.

Key differences include:

1. Purpose: Commissioned works fulfill client needs; speculative works express artistic freedom

2. Financial Risk: Artists bear material costs for speculative pieces

3. Creative Control: Clients influence commissioned works; artists fully direct speculative pieces

4. Timeline: Commissioned projects have deadlines; speculative works follow the artist's pace

5. Market: Commissioned sculptures have guaranteed buyers; speculative works require marketing

Both approaches offer unique advantages. Commissioned works provide financial security for artists while meeting specific client requirements. Speculative creations allow for pure artistic expression and can become signature pieces that define an artist's style. Understanding these differences helps collectors and artists navigate the stone sculpture world effectively.