Tapered Baguette Lab Diamonds
Tapered baguette lab diamonds are lab-grown step-cut diamond presented in the shape of a slender trapezoid, rectagular lab diamonds that gentlely narrow from one end to the other end. Tapered baguettes are often prized as side accents that frams larger center gems. They are also applied in pave setting along ring shanks to diversify designs and elevate average order value. Bulk procurement of calibrated tapered baguettes enable of full consistency in dimensions, color grades and clarities.
Common Sizes of Tapered Baguettes
1. Standard side stone sizes for three-stone rings (most widely used)
Small sizes (matching 0.5–1ct center stones)
- 1.5×3.0 mm
- 1.5×3.5 mm
- 1.7×3.5 mm
- 1.7×4.0 mm
Medium sizes (best-selling for 1–2ct center stones)
- 2.0×4.0 mm
- 2.0×4.5 mm
- 2.2×4.5 mm
- 2.2×5.0 mm
Large sizes (for center stones above 2ct & men’s rings)
- 2.5×5.0 mm
- 2.5×5.5 mm
- 2.7×5.5 mm
- 3.0×6.0 mm
2. Small sizes for shank pavé & band setting
- 1.2×2.5 mm
- 1.2×3.0 mm
- 1.3×3.0 mm
- 1.4×3.2 mm
3. Matching sizes for earrings & pendants
- 1.8×3.8 mm
- 2.0×4.2 mm
- 2.3×4.8 mm
4. Industry standard proportion
The standard taper ratio of narrow end to wide end is approximately 0.6 : 1.
The ideal length-to-width ratio ranges from 1:2 ~ 1:2.2, which are easy to set, perfectly matched, and top sellers in the market.
5. Inventory stocking recommendation
Priority best-selling regular sizes:
1.5×3.5 mm / 2.0×4.0 mm / 2.2×4.5 mm
Our Advantages
The company are an experienced and professional manufacturer of loose lab grown diamonds as well as lab grown gemstones. We also dedicate to lab grown diamond jewelry wholesale and lab grown gemstone jewelry wholesale with precious metals like gold, platinum and rose gold at premium quality. Cooperations with renowned raw material vendors and sophisticated production lines help us obtained expand market shares, exporting bulk loose lad diamonds, lab gemstones and luxury jewelries to over 30 countries.

10+ Years of Industry Experience

Skillful Craftsmen over 5 Years

Well-established Production Lines

Stable Raw Material Supply

Guaranteed On-time Delivery

QC & After-Sale Support

Expert CustomerService Staff

Attentive Services
OEM & ODM Service

Custom Growth & Cutting

Custom Design & Production

Logo & Name Engraving

Custom Packaging
Authoritative Certificates

IGI International Gemological Institute

GIA Gemological Institute of America

NGTC National Gemstone Testing Center




















