The 33rd anniversary is a significant milestone in a marriage, marking 33 years of commitment, love, and companionship between partners. It's an opportunity to celebrate and reflect on the years spent together.

 Some other popular gift ideas for a 33rd anniversary include:

• A romantic getaway or vacation to a new destination
• A custom portrait or painting of the couple
• A special piece of amethyst or tourmaline jewelry
• A wine or liquor gift set
• A personalized photo album or scrapbook
• A thoughtful and sentimental love letter or poem

Amethyst has been used for thousands of years as a symbol of stability and peace. It is believed to provide courage and calmness to its wearer, making it a fitting gift to mark 33 years of marriage. The gemstone's beautiful purplish color is also associated with love and devotion, making it a romantic and meaningful gift for a 33rd anniversary.

1. "Love grows more tremendously full, swift, poignant, as the years multiply." - Zane Grey
2. "Marriage is a promise, a potential made in the hearts of two people who love each other and takes a lifetime to fulfill." - Barbara De Angelis
3. "The greatest gift that you can give to others is the gift of unconditional love and acceptance." - Brian Tracy
4. "Love doesn't make the world go 'round. Love is what makes the ride worthwhile." - Franklin P. Jones
5. "A successful marriage requires falling in love many times, always with the same person." - Mignon McLaughlin
6. "The best love is the kind that awakens the soul and makes us reach for more, that plants a fire in our hearts and brings peace to our minds." - Nicholas Sparks