The baguette is a narrow, elongated step-cut diamond with sharp 90-degree corners and minimal faceting. It is the most common side stone in fine jewelry, prized for its clean, architectural look that complements virtually any center stone shape.
Baguette diamonds are known for low brilliance with 14 facets. They're popular for side stones in three-stone rings and channel-set wedding bands. Here are the trade-offs.
A 1-carat baguette diamond measures approximately 8 x 4 mm. Here are the most common sizes from 0.25 ct to 5 ct.
| Carat Weight | Size (mm) |
|---|---|
| 0.25 ct | 5 x 3 mm |
| 0.33 ct | 5.5 x 3 mm |
| 0.5 ct | 6.5 x 3.5 mm |
| 0.75 ct | 7.5 x 4 mm |
| 1 ct | 8 x 4 mm |
| 1.25 ct | 8.5 x 4.5 mm |
| 1.5 ct | 9 x 5 mm |
| 2 ct | 10 x 5 mm |
| 2.5 ct | 11 x 5.5 mm |
| 3 ct | 12 x 6 mm |
View full baguette size chart → with all sizes from melee to 5+ carats.
Baguette diamonds are priced at significantly less than round brilliant for equivalent weight. sold primarily in melee parcels for side stone use.. Price depends on carat weight, color, clarity, and cut quality. For a personalized estimate, use our diamond price estimator.
Estimate baguette diamond price →Last updated: 2026-07-16