The 15 most beautiful roses in the world that everyone wishes to own might include:

1. Osiria Rose: Deep red-purple hue with delicate white edges on the petals, exuding uniqueness and allure.
2. Blue Moon Rose: A deep, mysterious purple color creating a romantic and enigmatic ambiance.
3. Sterling Silver Rose: Light purple combined with glistening silver on the petals, imparting an ethereal and sophisticated beauty.
4. Ebb Tide Rose: A deep, almost blackish-purple shade with a touch of elegant purple.
5. Midnight Blue Rose: A dark, almost blackish-purple tone, exuding an alluring and mysterious charm.
6. Blue for You Rose: Soft and bright purple tones, creating a gentle and captivating beauty.
7. Lavender Lassie Rose: A soft pink-purple hue, showcasing a delicate and refined beauty.
8. Blue Girl Rose: Incorporating a pale purple hue, creating a unique and enticing charm.
9. Angel Face Rose: Featuring a soft purple tone, sometimes tinged with hints of pink, exuding an innocent and gentle allure.
10. Rhapsody in Blue Rose: Often appearing with a prominent deep purple hue, evoking an enchanting and romantic allure.
11. Double Delight Rose: Combining red and cream on the petals, creating a particularly enticing appeal.
12. Rio Samba Rose: Blending orange and yellow hues on the petals, presenting a vibrant and lively appearance.
13. Queen Elizabeth Rose: A grandiflora rose with a bright pink color.
14. La France Rose: One of the earliest hybrid tea roses, known for its silvery-pink color and delicate fragrance.
15. Chrysler Imperial Rose: Deep pink with large velvety blooms and a sophisticated fragrance, displaying a regal beauty.

Each of these roses possesses its unique and captivating charm, drawing attention with their mystique and allure.