Ruby Costume
Shine bright in brilliant, multi-faceted shades of deep crimson red.
Inspired by the precious pinkish-red to blood-red gemstone, a Ruby costume is a brilliant choice for group birthstone themes, crystal lovers, or glamorous parties. This look focuses on rich crimson tones, sharp geometric shapes that mimic jewel facets, and plenty of high-shine metallic or sequined textures. With the right accessories, you will transform into a dazzling, wearable work of natural art.
- Difficulty
- Easy
- Time
- ~30 min
- Budget
- $30–80
Try it on
See yourself as Ruby
One clear photo of yourself; we render you in this costume — face untouched, full body, about 20 seconds.
One render, $1. No account needed — if it fails you're not charged. Pricing.
Your photo is sent to Google's Gemini API to make the render and isn't used for training. Renders are AI-generated and labelled.
Want a different costume on this photo, or a whole group in costume? Open the Try-On Studio.
What you need for a Ruby costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Ruby costume — one box instead of 4 pieces.
Red metallic or sequin dress
A vibrant crimson or blood-red skater dress or bodycon dress to serve as the brilliant base of the gemstone.
DIY: Use a plain red dress and spray it with fabric glitter.
Crystal crown or headpiece
A headpiece featuring raw red quartz or ruby-colored crystal points.
DIY: Hot glue painted plastic crystals onto a plain black headband.
Red face gems
Self-adhesive red rhinestones to place around the eyes to mimic sparkling facets.
DIY: Use red glitter gel applied with a makeup sponge.
Red metallic tights
Shiny red leggings or tights to complete the monochromatic, high-luster gemstone aesthetic.
DIY: Wear opaque red tights or fishnets.
Rather not assemble it? See ready-made Ruby costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the red metallic or sequin dress as your primary gemstone base.
- 2
Layer on the red metallic leggings or tights to create a seamless, monochromatic red silhouette.
- 3
Secure the red crystal crown comfortably on your head, positioning it to frame your face.
- 4
Apply the self-adhesive red face gems around your temples and cheekbones to mimic sparkling jewel facets.
- 5
Finish the look with matching red shoes, such as metallic flats or sparkling heels.
Makeup & hair
Style your hair in sleek, straight locks or a polished updo to keep the focus on the crown. For makeup, use deep red lipstick and a touch of crimson eyeshadow with red glitter accents on the eyelids.
Ruby for couples, groups, kids & more
- couples
- Pair with another gemstone like a Sapphire (blue) or Emerald (green) for a precious jewel duo.
- group
- Gather friends to dress as a full set of birthstones or a rainbow of different gemstones.
- kids
- Use a red felt sandwich-board style cutout shaped like a classic emerald-cut jewel over a red jumpsuit.
- Plus size
- A red metallic A-line dress provides a comfortable, flattering, and highly reflective fit.
- pet
- A red glittery dog bandana or a small red felt jewel attached to a pet harness.
Tips
- Catch the light: Opt for fabrics like sequins, lurex, or metallic spandex that reflect light to mimic a real gem.
- Keep it comfortable: If wearing a heavy crystal crown, secure it with bobby pins so it does not slip during movement.
- Photo tip: Stand near bright, direct light sources to make your metallic fabrics and glitter makeup pop on camera.
Ruby costume FAQ
- What color is a ruby gemstone costume?
- A ruby costume should feature deep pinkish-red to rich blood-red colors, mimicking the natural hues of the corundum mineral.
- How can I make a DIY ruby jewel shape?
- You can cut a classic diamond or emerald-cut jewel shape out of cardboard, paint it metallic red, draw facet lines with a black marker, and wear it as a sandwich board.
- What makeup works best for a gemstone look?
- Monochromatic red makeup works best, featuring bold red lipstick, crimson eyeshadow, and adhesive red rhinestones to simulate sparkling facets.
Did you know? Ruby is a variety of the mineral corundum, and any gem-quality corundum that isn't red is classified as a sapphire.