What set sizes are available for the diamond and triangle wall decals?

Two options: Small set and Large set of diamond and triangle geometric wall decal stickers. Custom sizes are also available on request.

What do the diamond and triangle wall decals look like?

Clean, crisp geometric diamond and triangle shapes — modern, minimalist, and versatile. Ideal for nursery, bedroom, and contemporary home decor arrangements.

What material options are available for the diamond triangle decals?

Two options: Vinyl (matte finish, premium 3M/Oracal, one-time use) and Fabric (repositionable up to 10 times, residue-free, no wall damage).

Can I reuse the diamond and triangle wall decals?

Yes — the Fabric version can be repositioned up to 10 times without losing adhesion or leaving residue. Vinyl versions are one-time application but remove cleanly from most surfaces.

Are the diamond triangle wall decals renter-friendly?

Yes. Both versions require no nails, no drilling, and make no permanent changes to the wall. The Fabric version is especially suitable for renters. Allow 4 weeks cure time on freshly painted walls before applying.

Can I order a custom size for the diamond and triangle wall decals?

Yes. Contact DecalHouse before placing your order with your required dimensions and we will prepare exactly what you need. Custom orders ship within 7 business days.

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Diamond Decals Triangle Wall Stickers — Geometric Decor in Small or Large Set

Price range: $28.05 through $42.08

+ Free Shipping

Diamond and triangle wall decals for bedroom, nursery, and modern geometric home decor — geometric stickers in Small or Large set, in Vinyl or Fabric.

Choose your set:
💎 Small set
💎 Large set

Choose your material:
🖤 Vinyl — matte finish, premium 3M/Oracal, one-time use
🌿 Fabric — repositionable up to 10 times, no wall damage, residue-free

✨ Diamond and triangle geometric stickers. Small or Large. From $28.05. Free shipping, ships in 1–2 business days.

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💎 Diamond Decals Triangle Wall Stickers — Geometric Decor in Small or Large Set

These diamond and triangle wall decals for bedroom, nursery, and modern geometric home decor bring crisp, architectural geometric shapes to any interior wall — geometric stickers in Small or Large set, in Vinyl or Fabric. Diamond and triangle forms are among the most versatile in contemporary interior design: they work in minimalist and Scandi spaces as clean geometric accents, in nurseries as modern pattern elements, and in living rooms as bold graphic wall art. Two set sizes and Vinyl or Fabric options make this a genuinely flexible decorating tool.

📦 What’s Included

Diamond and triangle geometric wall decal stickers
2 set options: Small set / Large set
2 material options: Vinyl / Fabric Reusable
Step-by-step installation guide included with every order

Works on flat and slightly textured walls, doors, windows, and furniture. Custom sizes available on request. ✉️ Note: Allow 4 weeks cure time for freshly painted walls before applying.

🎨 Why Diamond and Triangle Decals for a Modern Room?

Diamond and triangle geometric decals are ideal for creating structured, modern wall art without the commitment of painted geometric patterns or wallpaper. They’re especially popular in nurseries (where geometric shapes create a clean, contemporary alternative to traditional character themes) and in bedrooms (where a scattered geometric composition adds visual interest to plain walls without overwhelming the space). The Small set allows precise, intentional geometric arrangements; the Large set creates a bolder, more expansive geometric field.

🏠 Three Arrangements That Work

For a nursery modern geometric feature wall, scatter the Large set of diamond and triangle stickers across the nursery feature wall in a structured geometric pattern — modern, gender-neutral, and visually striking.

For a bedroom geometric constellation accent, arrange the Small set of diamonds and triangles above the bed headboard in a deliberate geometric constellation — a modern, minimal bedroom accent.

For a living room or hallway geometric art scatter, use the Large set to create a geometric wall art installation in a living room or hallway — diamonds and triangles arranged freely for a contemporary graphic effect. Browse our geometric & abstract collection for coordinating diamond and triangle decal pieces. 💎

❓ Frequently Asked Questions

Can I reuse these wall decals?

Yes — if you choose the fabric version, you can reposition them up to 10 times without losing adhesion. The vinyl version is one-time use only.

Will these decals damage my walls?

The fabric version leaves no marks or sticky residue. The vinyl version also removes cleanly from most surfaces. We recommend avoiding freshly painted walls with either material — allow paint to cure for at least 4 weeks first.

Do the vinyl decals have a glossy or matte finish?

All vinyl decals come with a matte finish, which gives a clean and natural look on any wall.

Can I order a custom size?

Yes! Custom sizes are available on request. Simply send us a message before placing your order and we will prepare exactly what you need.

Is this suitable for a rental apartment?

Absolutely! Our wall decals are renter-friendly — no nails, no drilling, no permanent changes to your walls. 🏠

How long does shipping take?

Orders are processed and shipped within 1–2 business days via USPS. Custom orders may take up to 7 days to prepare before shipping.

🎨 Choose Your Material

🖤 Vinyl Decal — One-Time Use

Made with premium 3M and Oracal vinyl with a matte finish. Applies easily and removes cleanly without damaging your walls. Works on flat walls, slightly textured surfaces, doors, windows, and furniture.

✅ Matte finish for a clean, natural look
✅ Works on flat and slightly textured walls, doors, windows, and furniture
✅ Pre-cut with adhesive backing — no glue needed
✅ Includes step-by-step installation guide
⚠️ Not suitable for freshly painted walls (allow paint to fully cure first)
⚠️ One-time use only — not repositionable

🌿 Fabric Decal — Reusable

Can be repositioned up to 10 times without losing adhesion. Leaves zero sticky residue when removed — ideal for rental spaces and kids' rooms.

✅ Reusable up to 10 times
✅ No wall damage, no sticky residue
✅ Works on mirrors, windows, smooth-painted walls, and furniture
⚠️ Not ideal for textured walls — may peel over time
⚠️ Not suitable for bathrooms or kitchens

⚠️ Important Note for Large Decals

Large decals may consist of two parts. In some cases, one part may be slightly wider than the other by a few millimeters. We recommend trying the placement without gluing first. If needed, carefully trim any excess before applying. Having a second pair of hands makes installation easier.

🚚 Shipping and Returns

⏱️ Ready to ship within 1–2 business days (custom orders up to 3 days)
📦 Ships via USPS or UPS — international delivery also available
🌍 International buyers are responsible for customs duties and import taxes
🔄 Returns accepted within 14 days for unused items in original condition
💯 100% satisfaction guarantee

4 reviews for Diamond Decals Triangle Wall Stickers — Geometric Decor in Small or Large Set

Rated 4 out of 5
Alexa (verified owner) – November 17, 2024
The product is good and matches the description. I just wish the delivery had been a touch faster. Overall happy though!
Rated 5 out of 5
Layla (verified owner) – January 10, 2025
Bought this for everyday use and it’s holding up really well. Solid construction, great finish. Very pleased with the purchase.
Rated 5 out of 5
Gabriella (verified owner) – August 25, 2025
My partner bought this for me and I’ve been using it non-stop ever since. Absolutely brilliant!
Rated 4 out of 5
Aubrey (verified owner) – September 25, 2025
Overall satisfied with this. There are a couple of small details I’d tweak but nothing major. Good product!