# Diamond painting sealer shine test: Hasi Diamond Sealer - By Yeo-jin (https://superchart.com/en/@underlined-corner/) - Written Jul 25, 2025 - Products › Home & living - Product provided: This post was written after I received and used the product. - English edition: https://superchart.com/en/@underlined-corner/hasi-diamond-sealer-coating/ - Also in: [한국어](https://superchart.com/ko/@underlined-corner/hasi-diamond-sealer-coating/index.md) ## In short Hasi Diamond Sealer is a PVA coating solution for diamond painting and puzzle projects in Korea. I used the included silicone brush on a diamond painting finished years ago, comparing its sparkle and color before and after drying for at least 2 hours. Verdict: a worthwhile way to keep treasured projects secure and shiny. ## Good to know - **Contents**: Coating solution, silicone brush - **Drying time**: At least 2 hours - **Uses**: Diamond painting and puzzle coating *Prices as written by the tester on Jul 25, 2025 · not updated automatically* ![Diamond painting before coating](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-01-k4bk6-900.webp) ## My years-old diamond painting started losing beads Have you ever tried diamond painting? At Photo Couple’s house, Tosil has a diamond-painting piece they completed a few years ago after devoting their entire vacation to it, haha. After a few years, though, one or two of the little gems started falling off... 😱 After all those painstaking little pieces...! ![Diamond-painting piece with fallen beads](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-02-1d1k7-900.webp) Inside are the coating solution and a silicone brush. ![Coating solution and silicone brush set](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-03-124i2-900.webp) I think the packaging is pretty. ![Hasi Diamond Sealer packaging](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-04-1iqea-900.webp) It was recently made, so there’s plenty of time before the use-by date, and the illustrated instructions are nice and clear. ![Coating-solution package with usage instructions](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-05-14yns-900.webp) It even includes the tool, so there’s no need to buy one separately—perfect! ![Coating-solution set including a silicone brush](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-06-gnywj-1200.webp) ## Opening and applying Hasi Diamond Sealer Alright then, let’s get started. ![Preparing to coat a diamond painting](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-07-i4sti-900.webp) ![Diamond painting prepared for coating](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-08-17trb-900.webp) Remove the inner stopper~~ ![Removing the inner stopper from the coating solution](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-09-135uq-900.webp) ![Opening the coating solution](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-10-1vcon-900.webp) Close the lid again, then twist only the top part—opened! ![Opened Hasi Diamond Coating Solution](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-11-7z9cw-900.webp) My diamond-painting piece is about to become sturdier and sparkly with Hasi Diamond Coating Gel. It wasn’t something I was dying to buy, haha—I just chose it because it was pretty, though it does feel a little stately too, haha. Don’t just pour it on like this, haha. I was filming, and Podong and I weren’t quite in sync, honestly haha. ![Applying coating solution to a diamond painting](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-12-y1nmi-900.webp) ![Spreading coating solution with a silicone brush](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-13-171li-900.webp) But it spreads nicely with the silicone brush, so there’s not really such a thing as failing. Don’t worry, haha. ![Diamond-painting piece with coating applied](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-14-1hi47-900.webp) ## A generous amount and sparkle before and after drying It’s a safe PVA coating solution, so it can be used for different purposes, and because it’s water-soluble, anything on your hands washes off with water—no worries~~ There was plenty, even though this is quite a large piece. It doesn’t run, either, so even beginners can achieve a clear, perfectly secured finish! ![Diamond-painting surface after coating](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-15-imuil-900.webp) ![Diamond painting before-and-after coating comparison](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-16-umtdh-900.webp) Right after applying it, it definitely sparkles. But this isn’t fully dry yet, haha—you need to let it dry for at least 2 hours. Coated on the left and uncoated on the right; you can clearly see the difference, right? Once dry, it turns completely clear without a trace, though. ![Diamond-painting coating comparison before drying](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-17-19x7l-900.webp) You can compare them, right? (Here, the right side is the coated one, haha.) The colors come alive. The glossy finish makes it sparkle even more ✨️ ![Diamond painting with more vivid color after coating](https://img.superchart.com/images/hasi-diamond-sealer-coating/hasi-diamond-sealer-coating-18-1yo0d-900.webp) You can coat puzzles and diamond-painting pieces so easily, so don’t just leave your treasured work sitting around—give it a thorough coat of Hasi Diamond Coating Gel to keep it sturdy and shining~😉 ## Products - Hasi Diamond Painting Coating Solution and Bead Gloss with Silicone Brush — Hasi --- Superchart · https://superchart.com/en/@underlined-corner/hasi-diamond-sealer-coating/ · https://superchart.com/llms.txt