Serinity
Serinity Sew On Crystals Round Lochrose Crystal UNFOILED (3188)
Pre-Order Item
This item is not currently in stock. Order now to secure yours and we will dispatch it as soon as it arrives with us. All other items in your order will be held and shipped together.
Serinity 3188 Round Lochrose sew-on crystals in Crystal Unfoiled are Austrian-made crystals. Available in 3mm, 4mm and 5mm in wholesale packs of 720 and 1440. A single central hole lets the stone pull flat to the fabric, so it sits low and will not rock or snag. These crystals have no foil backing, so light passes through from both sides. That suits open-back settings, resin work and sheer fabrics where the reverse will be seen. Suited to Irish dance dresses, ballroom and Latin costume, ice skating dresses, bridal and any garment that will be laundered or take heavy wear.
About the Serinity 3188 Round Lochrose Sew-On Crystal
The Serinity 3188 Round is the most widely used stone in the sew-on range, carrying the same crown geometry as the flatback so it returns more light than any other round sew-on Serinity makes. It is produced in more colours than any other sew-on shape.
Sew-on crystals are stitched through drilled holes rather than bonded with glue or heat. Stitching gives a permanent fixing that survives laundering, stretch and repeated wear, which is why sew-on stones are the standard choice for competition costume. Use a fine beading thread and a beading needle sized to the hole.
Serinity, Made in Austria and Finished in the UK
Serinity is Bluestreak Crystals' own crystal brand. The crystals are manufactured in Austria, then quality-checked and packaged at our UK facility. Every order is dispatched the same or next business day, in retail and wholesale pack sizes.
Browse the full range of Serinity sew-on crystals or explore our complete Serinity collection.
Product Specifications
| Brand | |
|---|---|
| Type | Flat Back, Sew On |
| Application | |
| Colour | Crystal |
| Effect | Unfoiled |
| Shape | Round |
| Size | 3mm, 4mm, 5mm |
| Birthstone | April |
| Article Number | 3188 Lochrose |
Crystal Size Guide
Browse every PP and SS crystal size below, each shown in millimetres and drawn to scale so you can compare them side by side. Use it to find the right size for your project, or to match an existing crystal for a reorder or repair.
0.70-0.80 mm
0.80-0.90 mm
0.90-1.00 mm
1.00-1.10 mm
1.10-1.20 mm
1.20-1.30 mm
1.30-1.35 mm
1.35-1.40 mm
1.40-1.50 mm
1.50-1.60 mm
1.60-1.70 mm
1.70-1.80 mm
1.80-1.90 mm
1.90-2.00 mm
2.00-2.10 mm
2.10-2.20 mm
2.20-2.30 mm
2.30-2.40 mm
2.40-2.50 mm
2.50-2.60 mm
2.60-2.70 mm
2.70-2.80 mm
2.80-2.90 mm
2.90-3.00 mm
3.00-3.20 mm
3.20-3.30 mm
3.30-3.40 mm
3.40-3.50 mm
3.50-3.60 mm
3.60-3.70 mm
3.70-3.80 mm
3.80-4.00 mm
4.00-4.10 mm
4.10-4.20 mm
4.20-4.40 mm
4.40-4.60 mm
4.60-4.80 mm
4.80-4.90 mm
4.90-5.10 mm
5.10-5.27 mm
5.27-5.44 mm
5.44-5.61 mm
5.61-5.78 mm
5.78-5.96 mm
5.96-6.14 mm
6.14-6.32 mm
6.32-6.50 mm
6.50-6.68 mm
6.68-6.87 mm
6.87-7.07 mm
7.07-7.27 mm
7.27-7.48 mm
7.48-7.70 mm
7.70-7.93 mm
7.93-8.16 mm
8.16-8.41 mm
8.41-8.67 mm
8.67-8.95 mm
8.95-9.23 mm
9.23-9.53 mm
9.53-9.85 mm
9.85-10.19 mm
10.19-10.54 mm
10.54-10.91 mm
10.91-11.30 mm
11.30-11.72 mm
11.72-11.97 mm
12.97-13.22 mm
14.22-14.47 mm
15.47-15.72 mm
16.72-16.97 mm
17.97-18.22 mm
- PP, SS — Pearl Plate (PP), Sieve Size or Stone Size (SS) for round crystals.
- mm — Metric figures in millimetres for crystal components and geometric forms.
Crystals are shown to scale relative to one another as a visual guide. On-screen sizes are approximate and depend on your device.
Shipping & Delivery
Fast, fully tracked shipping across the UK and worldwide via DPD and DHL Express. Orders placed before 12pm UK time are dispatched the same day (business days only).
Free shipping is available on qualifying orders in select countries. Each region's free-delivery threshold is shown on the relevant service below.
Shipping Costs & Times
Estimated delivery is transit time after dispatch. Every option is tracked with signature on delivery, and international duties and taxes are prepaid at checkout, so there are no surprise fees.
United Kingdom
- DPD, 1-2 Business Days Free over £150 £4.99
- DHL Express, 1-2 Business Days £7.99
- DPD, Next Business Day by 12pm £9.99
- DPD, Saturday £12.99
- DPD, Saturday by 12pm £21.99
Remote areas such as the Channel Islands, Isle of Man, Jersey and Northern Ireland take 2-3 days via DPD at £11.99, or DHL Express at £14.99.
United States of America
- DPD Direct, 5-10 Business Days Free over $350 $19.99
- DPD Air Classic, 3-7 Business Days Free over $900 $29.99
- DPD Air Express, 2-5 Business Days $44.99
- DHL Express, 2-4 Business Days $59.99
Prices in USD. Duties, taxes and tariffs prepaid at checkout.
Europe
- DPD Direct, 3-8 Business Days Free over €350 €19.99
- DPD Air Classic, 2-6 Business Days Free over €900 €34.99
- DHL Express, 1-3 Business Days €49.99
DPD Direct is for orders under €150 only, with EU tax prepaid via IOSS and no customs charges on arrival. Over €150, choose any other option. Prices in EUR.
Canada
- DPD Direct, 5-10 Business Days Free over $500 $29.99
- DPD Air Classic, 4-7 Business Days Free over $1,500 $49.99
- DHL Express, 2-4 Business Days $64.99
Prices in CAD. Duties, taxes and tariffs prepaid at checkout.
Australia
- DPD Direct, 5-10 Business Days Free over $500 $34.99
- DPD Air Classic, 4-7 Business Days Free over $1,500 $44.99
- DHL Express, 3-5 Business Days $94.99
Prices in AUD. Duties, taxes and tariffs prepaid at checkout.
Rest of the World
- DPD Air Classic, 5-10 Business Days £39.99
- DHL Express, 3-5 Business Days £69.99
Prices in GBP. Duties, taxes and tariffs prepaid at checkout.
Good to Know
- ✅ Free Order Protection, every order is covered for loss, damage, theft, missing, incorrect or defective items. See our Order Protection page.
- ✅ No Surprise Fees, duties and taxes are prepaid at checkout for faster customs clearance, and EU orders under €150 use the IOSS scheme.
- ✅ Returns and Refunds, any issues, see our Returns Policy or full Shipping page.
Bluestreak Rewards
Earn points every time you shop, share or review, then redeem them for discount coupons. Free to join, and you earn 1 point for every £1 you spend.
Ways to Earn
- ✅ Shop, 1 point per £1 spent (excluding shipping).
- ✅ Sign Up, 50 bonus points for creating a free account.
- ✅ Birthday, add yours for a 250 point gift on your special day.
- ✅ Review, 50 points for every product review.
- ✅ Follow and Share, 50 points each on Facebook, Instagram, TikTok and X.
Redeem Your Points
Exchange points for discount coupons to use at checkout.
To redeem, open Ways to Redeem or click the rewards icon, then enter your coupon code at checkout.
Good to Know
- ✅ VIP Tiers, climb from Bronze to Platinum and earn up to 2,000 bonus points per promotion.
- ✅ 12 Month Expiry, points expire 12 months after they are earned, and we always email a reminder first.
- ✅ Full Details, see the complete programme guide on our Bluestreak Rewards page.
Not a signed-in member yet? Join free and start with 50 bonus points, or check your balance any time.
Returns & Refunds
We want you to be 100% satisfied with your order. As a small, family-run business, we genuinely care about getting things right, and if anything's not quite as expected, we're here to help put it right.
Faulty, Damaged, Missing or Incorrect Items
Every order comes with free Order Protection as standard. If anything arrives damaged, faulty, missing or incorrect, file a claim within 30 days of receipt with your order details and a photo of the issue, and we'll arrange a replacement or refund quickly. Return shipping for these issues is covered by us.
Prefer to chat directly? Email hello@bluestreakcrystals.com and we'll sort it.
Lost or Delayed Orders
Parcels can occasionally run late, so before raising a claim please allow 7 days past the expected delivery date for UK orders, or 14 days for international orders. After that, file a claim or email us and we'll investigate with the carrier and arrange a replacement, refund or resolution.
Returns (Change of Mind)
Not suitable? Return it for a refund within 30 days of receipt, provided:
- Items are unused, in perfect condition and in their original packaging.
- Retail packs of crystals are unopened. Once opened, they cannot be returned.
- Wholesale packs are unopened with the seal intact (a 20% administration fee applies).
- Bundles are returned complete, they cannot be split or partially returned.
- For hygiene reasons, earrings, ear-wires and ear posts cannot be returned.
- Bespoke, made-to-order, special production, sale and end-of-line items are non-returnable.
Change-of-mind return shipping is at your cost, and we recommend a tracked, insured service.
Good to Know
- ✅ No Exchanges, simply return the original item and place a new order for the one you want.
- ✅ Your Statutory Rights, nothing in our policy affects your rights under the UK Consumer Rights Act 2015.
- ✅ Full Details, including the returns form and international customs steps, are on our Returns Policy page.
Our Story
Bluestreak Crystals started with Shaun and Amanda Middleton, a husband and wife team who believed precision-cut crystals should be accessible to every maker, from a single piece to a full production run.
For over 10 years we've been a Swarovski Authorised Distribution Partner and Preciosa Authorised Partner, shipping 250,000+ orders worldwide to designers, nail technicians, makers, dancers and production teams, and earning 8,000+ reviews along the way. Every crystal is sourced through our authorised channels, so what arrives with you is 100% genuine.
We still run the business ourselves, from the UK, as a family, and we're proud that our daughter Abi has joined us in the business. Orders are packed with care and dispatched the same or next business day, and when you buy from Bluestreak Crystals, you're buying from a family who knows crystals, cares about your project, and stands behind every order we send.
