Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Flat Back Gems

Flat Back Gems

Browse Allstarco's acrylic gems collection! Perfect for crafts, DIY projects, and decorations....

Flat Back Gems

Your cart

Loading...

Estimated total

$0.00 USD

Taxes, discounts and shipping calculated at checkout.

Free Shipping Over 29$ To USA / Over 100$ To Canada

Save Up To 15% When Buying 10 or More Units From The Same Category.

Acrylic Rhinestones & Gems
Glass & Crystal Rhinestones
- Hotfix Rhinestones
- Nail Art Rhinestones
Ornaments & DIY
- Rhinestone Rivets
- Bedazzler Supplies
  
  Bedazzler Rhinestones
  Bedazzler Kits
- Starter Stud Setter Kits
- Nailheads & Studs
Contact
Wholesale
Blog

Country/region

Search

Language

English
Français
Español

Acrylic Rhinestones & Gems
Glass & Crystal Rhinestones
- Hotfix Rhinestones
- Nail Art Rhinestones
Ornaments & DIY
Contact
Wholesale
Blog

Country/region

Search

Language

English
Français
Español

Search

Collection: Square Flat Back Gems

Filter:

Size

0 selected

Size

5mm (5 products)
8mm (16 products)
12mm (29 products)
15mm (17 products)
24mm (10 products)
30mm (12 products)

Color

0 selected

Color

Assorted Colors (1 product)
Black (2 products)
Blue (13 products)
Clear (2 products)
Crystal AB (2 products)
Gold (3 products)
Green (5 products)
Orange (2 products)
Pink (4 products)
Purple (4 products)
Red (4 products)
White (1 product)
Yellow (2 products)

Shape

0 selected

Shape

Square (45 products)

Sort by:

45 products

Filter and sort Filter

Filter and sort

Filter

45 products

Size

5mm (5 products)
8mm (16 products)
12mm (29 products)
15mm (17 products)
24mm (10 products)
30mm (12 products)

Clear

Color

Assorted Colors (1 products)
Black (2 products)
Blue (13 products)
Clear (2 products)
Crystal AB (2 products)
Gold (3 products)
Green (5 products)
Orange (2 products)
Pink (4 products)
Purple (4 products)
Red (4 products)
White (1 products)
Yellow (2 products)

Clear

Shape

Square (45 products)

Clear

Sort by:

Remove all

45 products

Assorted Colors Flat Back Square Gems

Assorted Colors Flat Back Square Gems

2 total reviews

Regular price From $12.99 USD

Regular price Sale price From $12.99 USD
Unit price per

View full details

Assorted Colors Flat Back Square Gems

Regular price From $12.99 USD

Regular price Sale price From $12.99 USD
Unit price per

Assorted Colors Flat Back Square Gems

Regular price From $12.99 USD

Regular price Sale price From $12.99 USD
Unit price per
Blue Aqua AB Flat Back Square Gems - 12mm - 40 Pieces

Blue Aqua AB Flat Back Square Gems - 12mm - 40 Pieces

Regular price $6.16 USD

Regular price Sale price $6.16 USD
Unit price per
Blue Aqua Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Blue Aqua Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Regular price $5.98 USD

Regular price Sale price $5.98 USD
Unit price per
Blue Aqua Flat Back Square Gems

Blue Aqua Flat Back Square Gems

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per

View full details

Blue Aqua Flat Back Square Gems

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per

Blue Aqua Flat Back Square Gems

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per
Blue Aquamarine Flat Back Square Gems

Blue Aquamarine Flat Back Square Gems

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per

View full details

Blue Aquamarine Flat Back Square Gems

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per

Blue Aquamarine Flat Back Square Gems

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per
Blue Capri Flat Back Square Gems

Blue Capri Flat Back Square Gems

Regular price From $6.16 USD

Regular price Sale price From $6.16 USD
Unit price per

View full details

Blue Capri Flat Back Square Gems

Regular price From $6.16 USD

Regular price Sale price From $6.16 USD
Unit price per

Blue Capri Flat Back Square Gems

Regular price From $6.16 USD

Regular price Sale price From $6.16 USD
Unit price per
Blue Dark Sapphire Flat Back Square Gems

Blue Dark Sapphire Flat Back Square Gems

1 total reviews

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per

View full details

Blue Dark Sapphire Flat Back Square Gems

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per

Blue Dark Sapphire Flat Back Square Gems

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per
Blue Light Sapphire AB Flat Back Square Gems - 12mm - 40 Pieces

Blue Light Sapphire AB Flat Back Square Gems - 12mm - 40 Pieces

Regular price $6.16 USD

Regular price Sale price $6.16 USD
Unit price per
Blue Light Sapphire Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Blue Light Sapphire Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Regular price $5.98 USD

Regular price Sale price $5.98 USD
Unit price per
Blue Light Sapphire Flat Back Square Gems

Blue Light Sapphire Flat Back Square Gems

1 total reviews

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per

View full details

Blue Light Sapphire Flat Back Square Gems

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per

Blue Light Sapphire Flat Back Square Gems

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per
Blue Sapphire Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Blue Sapphire Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Regular price $5.98 USD

Regular price Sale price $5.98 USD
Unit price per
Blue Sapphire Flat Back Square Gems

Blue Sapphire Flat Back Square Gems

Regular price From $4.38 USD

Regular price Sale price From $4.38 USD
Unit price per

View full details

Blue Sapphire Flat Back Square Gems

Regular price From $4.38 USD

Regular price Sale price From $4.38 USD
Unit price per

Blue Sapphire Flat Back Square Gems

Regular price From $4.38 USD

Regular price Sale price From $4.38 USD
Unit price per
Blue Tourquoise Flat Back Square Gems - 12mm - 40 Pieces

Blue Tourquoise Flat Back Square Gems - 12mm - 40 Pieces

Regular price $6.16 USD

Regular price Sale price $6.16 USD
Unit price per
Blue Zircon Flat Back Square Gems - 12mm - 40 Pieces

Blue Zircon Flat Back Square Gems - 12mm - 40 Pieces

Regular price $6.16 USD

Regular price Sale price $6.16 USD
Unit price per
Crystal AB Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Crystal AB Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Regular price $6.98 USD

Regular price Sale price $6.98 USD
Unit price per
Crystal AB Flat Back Square Gems - 12mm - 40 Pieces

Crystal AB Flat Back Square Gems - 12mm - 40 Pieces

Regular price $6.16 USD

Regular price Sale price $6.16 USD
Unit price per
Crystal Clear Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Crystal Clear Extra Large Flat Back Square Gems - 30mm - 4 Pieces

1 total reviews

Regular price $5.98 USD

Regular price Sale price $5.98 USD
Unit price per
Crystal Clear Flat Back Square Gems

Crystal Clear Flat Back Square Gems

18 total reviews

Regular price From $4.38 USD

Regular price Sale price From $4.38 USD
Unit price per

View full details

Crystal Clear Flat Back Square Gems

Regular price From $4.38 USD

Regular price Sale price From $4.38 USD
Unit price per

Crystal Clear Flat Back Square Gems

Regular price From $4.38 USD

Regular price Sale price From $4.38 USD
Unit price per
Gold Topaz AB Flat Back Square Gems - 12mm - 40 Pieces

Gold Topaz AB Flat Back Square Gems - 12mm - 40 Pieces

Regular price $6.16 USD

Regular price Sale price $6.16 USD
Unit price per
Gold Topaz Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Gold Topaz Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Regular price $5.98 USD

Regular price Sale price $5.98 USD
Unit price per
Gold Topaz Flat Back Square Gems

Gold Topaz Flat Back Square Gems

2 total reviews

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per

View full details

Gold Topaz Flat Back Square Gems

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per

Gold Topaz Flat Back Square Gems

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per
Green Emerald Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Green Emerald Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Regular price $5.98 USD

Regular price Sale price $5.98 USD
Unit price per
Green Emerald Flat Back Square Gems

Green Emerald Flat Back Square Gems

2 total reviews

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per

View full details

Green Emerald Flat Back Square Gems

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per

Green Emerald Flat Back Square Gems

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per
Green Peridot H110 Flat Back Square Gems - 8mm - 75 Pieces

Green Peridot H110 Flat Back Square Gems - 8mm - 75 Pieces

Regular price $5.25 USD

Regular price Sale price $5.25 USD
Unit price per
Green Peridot H120 Flat Back Square Gems - 15mm - 30 Pieces

Green Peridot H120 Flat Back Square Gems - 15mm - 30 Pieces

Regular price $6.72 USD

Regular price Sale price $6.72 USD
Unit price per
Green Peridot PD Flat Back Square Gems - 12mm - 40 Pieces

Green Peridot PD Flat Back Square Gems - 12mm - 40 Pieces

Regular price $6.16 USD

Regular price Sale price $6.16 USD
Unit price per
Jet Black Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Jet Black Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Regular price $5.98 USD

Regular price Sale price $5.98 USD
Unit price per
Jet Black Flat Back Square Gems

Jet Black Flat Back Square Gems

3 total reviews

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per

View full details

Jet Black Flat Back Square Gems

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per

Jet Black Flat Back Square Gems

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per
Orange Hyacinth Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Orange Hyacinth Extra Large Flat Back Square Gems - 30mm - 4 Pieces

1 total reviews

Regular price $5.98 USD

Regular price Sale price $5.98 USD
Unit price per
Orange Hyacinth Flat Back Square Gems

Orange Hyacinth Flat Back Square Gems

1 total reviews

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per

View full details

Orange Hyacinth Flat Back Square Gems

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per

Orange Hyacinth Flat Back Square Gems

Regular price From $5.25 USD

Regular price Sale price From $5.25 USD
Unit price per
Pink Fuchsia Flat Back Square Gems

Pink Fuchsia Flat Back Square Gems

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per

View full details

Pink Fuchsia Flat Back Square Gems

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per

Pink Fuchsia Flat Back Square Gems

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per
Pink Rose AB Flat Back Square Gems - 12mm - 40 Pieces

Pink Rose AB Flat Back Square Gems - 12mm - 40 Pieces

Regular price $6.16 USD

Regular price Sale price $6.16 USD
Unit price per
Pink Rose Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Pink Rose Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Regular price $5.98 USD

Regular price Sale price $5.98 USD
Unit price per
Pink Rose Flat Back Square Gems

Pink Rose Flat Back Square Gems

2 total reviews

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per

View full details

Pink Rose Flat Back Square Gems

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per

Pink Rose Flat Back Square Gems

Regular price From $4.66 USD

Regular price Sale price From $4.66 USD
Unit price per
Purple Amethyst AB Flat Back Square Gems - 12mm - 40 Pieces

Purple Amethyst AB Flat Back Square Gems - 12mm - 40 Pieces

Regular price $6.16 USD

Regular price Sale price $6.16 USD
Unit price per
Purple Amethyst Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Purple Amethyst Extra Large Flat Back Square Gems - 30mm - 4 Pieces

Regular price $5.98 USD

Regular price Sale price $5.98 USD
Unit price per

1
2

Quick links

About Us
Shipping & Returns
Privacy & Security
Gluing Foiled Acrylic Rhinestones Tips
Downloadble Rhinestone Size Chart
Contact Us

Wholesale / Custom Inquiry

Sign Up For Wholesale

Inquire About Custom Gems

Store Information

Allstarco, 2330 US #11, Mooers, NY, USA 12958 ,
Allstarco, 5730 Donahue, Montreal, QC, Canada H4S 1C1

Call us now: 1-800-337-0524

Email: estore@allstarco.com

Subscribe to our emails

Email

Language

English
Français
Español

Payment methods

© 2025, Allstarco Powered by Shopify

Refund policy
Privacy policy
Shipping policy
Terms of service
Contact information

Choosing a selection results in a full page refresh.
Opens in a new window.