Royal Blue Diamond Rose Granny Square Bed Cover Crochet Pattern
Simple granny clusters, plus corner triangles worked in rows that turn the blue frame into a diamond.
Each big square takes a little over an hour, so 56 squares go by faster than you think.
Four cream triangles tilt an ordinary blue frame on its point, and people always ask how you did it.
About This Royal Blue Diamond Rose Granny Square Bed Cover Crochet Pattern Pattern
This bed cover is built from one beautiful square repeated across the bed. Each square starts with a small cream granny center framed by a bold band of royal blue. Then cream triangles are worked off the four sides, which turns the blue frame on its point so it sits inside the square like a diamond. Every other square has a little layered blue rose in the middle. When all the squares are joined, the bed fills with crisp blue diamonds floating on a soft cream lattice, with roses scattered across it in a neat checkerboard. It looks clever and detailed, but the whole thing is made from granny clusters you already know.
The square is made in three parts without ever cutting it apart. First you work five rounds of cream granny clusters in the round, groups of three double crochet with one chain between, so the center opens into a pretty lattice of small windows. Next come two rounds of royal blue, one of double crochet and one of single crochet, which make the blue frame. Then you work a cream granny triangle back and forth on each side of that frame. Each triangle loses one group per row until it ends in a single group at the point, and those four points become the corners of the finished square.
After the triangles, three cream rounds go all the way around: a round of single crochet that smooths the stepped edges, a round of double crochet, and a final round of single crochet. Each square ends on 180 single crochet with four corner spaces. That steady count makes the joining very even. The finished, blocked square measures about 12 inches, and the blue diamond inside it is about 7.5 inches on each side, with its points just touching the middle of each outer edge.
The rose is made separately with royal blue yarn. It starts with a small ring of six chain loops that each hold a little petal. Then you work longer chain loops behind those petals with back post single crochet, so a second ring of bigger petals sits underneath and peeks out around the first. The finished rose is about 2.5 inches across and nicely cupped. You sew it to the cream center of every other square, so the roses sit inside the diamonds like little jewels.
The queen size uses 56 squares in a grid of 7 squares across and 8 squares down, with 28 rose squares and 28 plain diamond squares. The joined center measures about 84 by 96 inches. A border of one cream round and two royal blue rounds adds about 1 inch on every side, for a finished size of roughly 86 by 98 inches. That is enough to cover a queen mattress and drape down the sides of the bed.
The finished bed cover is light, airy and soft, because so much of it is open lattice. The blue diamonds give it structure and a clean, fresh look, and the roses add a gentle touch of texture. I would call this an intermediate project. The stitches are simple, but the triangles are worked in rows and need a little care with turning and counting. If you have made a few granny squares and you like a project that keeps you a bit curious, this one is for you.
Why You'll Love This Royal Blue Diamond Rose Granny Square Bed Cover Crochet Pattern Pattern
I love blue and cream together. It is the color of old china in my grandmother's cupboard, of a clear sky over a white farmhouse, and of fresh sheets drying on the line. It feels clean and calm and never goes out of style. In a bedroom with white walls and a soft gray headboard, this bed cover looks fresh and peaceful, and in a room with warm wood furniture it looks cozy and classic. I keep it on the bed all year, and it always makes the room feel bright, even on gray winter mornings.
The diamond trick is the part that makes me smile every time. You crochet an ordinary granny square with a blue frame, and it looks like nothing special. Then you add the first triangle, and the second, and suddenly the square tilts and the frame becomes a diamond. The first time I made it, I held it up to the window and laughed out loud. It is such a simple idea, but it makes people stop and ask how it was done. I love patterns that look harder than they really are.
I also love that the squares are big. At about 12 inches each, you only need 56 squares for a queen bed, so the pile grows quickly and the end is always in sight. One square takes me a little over an hour, which is the perfect length for an evening with a cup of tea. I can finish one, admire it, and put it on the stack before bed. That small feeling of finishing something every day keeps me going all the way to the border.
Here are a few more reasons this one is close to my heart:
- Every square uses the same steps, so your hands soon know them by heart.
- The roses go on only every other square, so there are fewer to make.
- The open lattice keeps the bed cover light enough for spring and summer.
- It makes a gift that looks special without being fussy.
Each of these makes a big project feel calm and doable, even on busy weeks.
The roses are my little treat. I make them in batches of four or five while I watch a show, and I keep them in a small basket until the squares are ready. Sewing the first rose into the middle of a diamond always feels like the moment the square comes to life. Because they only go on every other square, the bed has a nice balance of plain diamonds and roses. Your eye can rest on the quiet squares and then find the next rose, like flowers in a tidy garden.
This bed cover taught me patience with the triangles. My first one leaned to one side because I forgot to skip the last group on a row, and I had to pull it out. After that I started counting the groups out loud on every row, nine, eight, seven, and the triangles came out straight every time. When I joined the last square and saw all those blue diamonds lined up across the bed, every bit of that counting felt worth it. It is one of the projects I am proudest of.
Switch Things Up
Try a new color pair. The diamond looks striking in any strong color against a light lattice. Deep red with cream feels warm and traditional, and forest green with oatmeal is lovely in a cabin bedroom. Soft sage with ivory is calm and gentle, and navy with white gives a crisp seaside look. Keep the lattice light so the windows show clearly, and make the frame and the roses in the same strong color so the diamonds stand out.
Make it for a different bed. Every square is about 12 inches, so changing the size only means changing the grid. Add or remove a column to change the width and a row to change the length. Keep the roses on every other square in a checkerboard. Here is a quick guide with the border included:
- Twin: 5 across by 8 down, 40 squares, about 62 by 98 inches
- Full: 6 across by 8 down, 48 squares, about 74 by 98 inches
- Queen: 7 across by 8 down, 56 squares, about 86 by 98 inches
- King: 9 across by 8 down, 72 squares, about 110 by 98 inches
For a tall bed or a longer drape, add one more row to the length.
Make a sofa throw. A grid of 4 squares across by 5 squares down uses 20 squares and makes a throw of about 50 by 62 inches with the border. It is the perfect size for the back of a sofa or the foot of the bed, and it uses about a third of the yarn of the queen size. It is also a good way to try the diamond trick before you commit to a whole bed. Put roses on 10 of the squares to keep the checkerboard balanced.
Make a baby blanket. A grid of 3 squares across by 3 squares down makes a blanket of about 38 by 38 inches. For a baby, I leave off the 3D roses, since small raised parts are not a good idea for little ones, and I let the diamonds do all the work. Choose a soft, washable baby yarn. Pale blue with white, mint with cream or soft yellow with white all look sweet in a nursery.
Make matching pillow covers. One square makes a lovely 12 inch pillow cover, and four squares joined two by two make a 24 inch pillow or Euro sham. Use rose squares on the front and plain diamond squares on the back. Join front and back on three sides with cream single crochet, slip the pillow in, and close the last side. Making the pillows in the same blue and cream as the bed cover ties the whole bed together.
Change the edge. For a softer finish, replace the last blue round with a round of shells: sk 1 st, 5 dc in next st, sk 1 st, sc in next st, adjusting at the corners. For a crisp, tailored look, keep the border as written and add one more round of blue single crochet. You could also add small blue tassels at the four corners. Each choice changes the mood of the bed cover, from simple to romantic.
Use a different yarn weight. In DK yarn with a 4.0 mm hook, each square comes out at about 10 inches, so a queen needs a grid of about 9 across by 10 down. In bulky yarn with a 6.5 mm hook, each square grows to about 15 inches, and a queen needs about 6 across by 7 down. Always make and block one square first, measure it, and plan your grid from that. Weigh your first square too, so you can work out your yarn amounts.
Play with the roses. Instead of a checkerboard, put a rose on every square for a fuller garden look, or only on the squares along the edges to frame the bed. You can also make the roses in a second shade, such as a lighter sky blue, for a softer effect. Each rose uses only about 5 grams, so they are a happy way to use up leftover blue yarn. Keep the diamonds the same color so the bed still looks calm and planned.
Materials Needed
— Main Fabric
— Tools Required
The Free Pattern
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— Diamond Square, cream center and blue frame (Make 56) :
— Corner Triangles (Make 4 on each Diamond Square, cream) :
— Outer Rounds (on each Diamond Square, cream) :
— 3D Blue Rose (Make 28, royal blue) :
— Layout and Joining (7 squares across by 8 squares down) :
— Border (cream and royal blue) :
Assembly Instructions
- For each of the 56 squares, make the Diamond Square center and blue frame, work the 4 Corner Triangles, then finish with the Outer Rounds, weaving in the ends as you go.
- Make 28 3D Blue Roses and sew one to the center of 28 of the squares, stitching through the posts of Rnd 3 and around the outer petals.
- Block every square to 12 by 12 inches with the diamond points at the middle of each edge, and let it dry completely without pressing the roses flat.
- Lay out the squares in the 7 by 8 checkerboard from the Layout and Joining section and take a photo so you can keep track.
- With cream, join the 7 squares of each row into a strip with the slip stitch seam, then join the 8 strips together with long seams worked the same way.
- Work the 3 Border rounds around the whole bed cover, weave in all remaining ends and give the cover a light final block.
Common Mistakes & How to Fix Them
Forgetting to leave the last group unworked on each triangle row. Each row of the triangle should have one group fewer than the row before: 9, 8, 7, and so on down to 1. If you work a group into the edge of the row by mistake, the triangle stops shrinking, one side grows longer than the other, and the square will not come out square. Count your groups out loud at the end of every row. If a row has the wrong number, pull it out right away, because every later row depends on it.
Starting the triangles in the wrong place. Each triangle must begin in a corner space of the blue frame and end in the next corner space, using all 25 single crochet in between. If you start in the middle of a side, or skip a stitch at the start, the groups will not land evenly and the diamond will look crooked. Before you join the cream yarn, place a stitch marker in each corner space. Check that the first group goes into the first single crochet and the last group into the 25th.
Letting the squares come out in different sizes. On a square this big, a small change in tension adds up quickly, and some squares can end up half an inch smaller than others. The seams then pucker, and the diamonds no longer line up across the bed. Keep your first blocked square as a measuring square and compare every new square to it. If a square is more than half an inch off, redo the last round with a different hook size. Blocking helps with small differences, but it cannot fix a big one.
Sewing the roses on too loosely or off center. If you stitch only around the outer petals, the middle of the rose lifts and wobbles, and over time it can twist or catch on things. If it sits off center, the diamond looks lopsided. Fold the square in half both ways to find the true middle and pin the rose there. Sew it down in two rings, once through the posts of Round 3 and once around the outer petals, going through the cream lattice each time. Knot the tail on the wrong side and weave it in well.
Important Notes
Gauge and square size: Rounds 1 to 5 of the cream center should measure about 6 inches across, the blue frame about 7.5 inches, and the finished, blocked square about 12 inches. Every square must match the others, so make one square, block it and measure it before you start the rest. If it is larger, try a 4.5 mm hook, and if it is smaller, try a 5.5 mm hook. Sizes and yarn amounts are estimates from the photo, so trust your own measuring square.
Blocking: Pin each square to 12 by 12 inches on blocking mats with rust-proof pins, making sure the points of the blue diamond sit at the middle of each edge. For acrylic, hold a steam iron a few inches above the square without touching it, then let it cool and dry completely. For cotton or wool blends, mist lightly with water. Never press the roses flat. Blocking straightens the triangle edges and makes joining much easier.
Yarn amounts and dye lots: For the queen size you need about 2,650 grams of cream and about 850 grams of royal blue in worsted weight yarn, including the joining and the border. These numbers depend on your tension. Buy all of each color at the same time and check that the dye lot numbers match. Royal blue can shift shade from one lot to the next, and a different lot shows up clearly in the diamonds.
Washing and drying: Follow your yarn label first. Most acrylic bed covers can be machine washed on a gentle cycle in cool water inside a large mesh bag, then dried flat or tumbled on low. Because bright royal blue sits right next to cream, add a color catcher sheet to every wash so no blue dye settles on the lattice. Wash wool blends by hand in cool water. Never hang the cover wet, since the water will stretch it.
Every time I look at this bed cover, I remember the first square I held up to the window, when the blue frame suddenly turned into a diamond. That little moment of surprise is still my favorite part. Nothing in this pattern is hard on its own. It is just granny clusters, a blue frame and four small triangles, made with care again and again until they fill a whole bed.
So wind a ball of cream and a ball of royal blue, and make just one square today. Do not think about all 56 yet. Make one, then another, and soon you will have a stack of blue diamonds waiting to become something your family will treasure. Please share your first square with me. Happy crocheting, my friend.
Crochet Abbreviations
You Ask, We Answer
How big is the finished bed cover?
The queen size in this pattern measures about 86 by 98 inches with the border. It is made from 56 squares in a grid of 7 squares across and 8 squares down, and each blocked square is about 12 inches. The joined center is about 84 by 96 inches, and the cream and blue border adds about 1 inch on every side. On a standard queen mattress, which is 60 by 80 inches, that leaves about 13 inches to drape down each side and enough length to tuck under the pillows. If you want a deeper drape on a tall bed, add one more column of squares, which makes the cover about 98 inches wide. Your own size may be a little different, because everyone crochets with a slightly different tension. Measure your first blocked square, multiply it by your grid, and adjust the number of squares before you buy all of your yarn.
Can I use a different yarn weight or make a different size?
Yes. The steps stay exactly the same, and only the size of each square changes. In DK yarn with a 4.0 mm hook, a square is about 10 inches, so a queen needs about 9 across by 10 down. In bulky yarn with a 6.5 mm hook, a square is about 15 inches, so a queen needs about 6 across by 7 down. For other beds in worsted yarn, use 5 squares across for a twin, 6 for a full, 7 for a queen and 9 for a king, all 8 squares down. A sofa throw is 4 across by 5 down, and a baby blanket is 3 by 3. Whatever you choose, make one square, block it and measure it, then multiply by your grid to find the finished size. Weigh that first square as well, so you can work out how much yarn of each color the whole project will need.
How do I wash and care for the bed cover?
Always start with your yarn label, because care depends on the fiber. Acrylic is the easiest choice for a bed cover. Wash it on a gentle cycle in cool water inside a large mesh laundry bag or a pillowcase tied shut, so the roses do not rub against the drum. Add a color catcher sheet to every wash, because royal blue dye can bleed onto the cream, especially in the first few washes. Dry it flat on towels or tumble it on the lowest heat. For cotton or wool blends, wash by hand in cool water, press out the water without wringing, roll the cover in towels and lay it flat to dry. Never hang it wet. Between washes, shake it outside and air it in the sun for an hour. Store it loosely folded in a cotton bag, and check the roses now and then for loose stitches.
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Abbreviations
- ch — chain
- sl st — slip stitch
- sc — single crochet
- hdc — half double crochet
- dc — double crochet
- sp — space
- st(s) — stitch(es)
- Rnd — round
- rep — repeat
- sk — skip
- BLO — back loop only
- BPsc — back post single crochet: insert the hook from back to front to back around the post of the stitch and work a sc
