General Quality:
* Excellent
* Superior
* Outstanding
* Exceptional
* First-rate
* Premium
* High-quality
* Top-notch
* Superb
* First-class
* Impeccable
* Flawless
* Exemplary
* Remarkable
* Unparalleled
* Unrivaled
* Magnificent
Specific Qualities:
Craftsmanship:
* Artisan
* Well-made
* Durable
* Sturdy
* Finely crafted
* Hand-crafted
* Handmade
* Masterful
Appearance:
* Elegant
* Stylish
* Sophisticated
* Luxurious
* Beautiful
* Stunning
* Gorgeous
* Dazzling
* Impressive
Functionality:
* Efficient
* Effective
* Reliable
* Durable
* Robust
* User-friendly
* Innovative
* Cutting-edge
Other:
* Authentic
* Original
* Genuine
* Rare
* Valuable
* Prestigious
* Exclusive
* Luxury
Negative Qualities:
* Substandard
* Inferior
* Poor
* Cheap
* Shoddy
* Flimsy
* Defective
* Faulty
Remember: The best adjective for conveying quality will depend on the specific context.