Swarovski Crystal Yarn

Currently, the only online source for Swarovski Crystal Yarn is Artbeads.com.
The good news is that ArtBeads has free shipping, no minimum purchase, and a variety of quality beads & findings.
ArtBeads sells Swarovski Crystal Yarn by the foot, and will accept unused returns as short as three feet.
Swarovski Crystal Yarn is located in the "Stringing Materials" section of Artbeads.com.

#59000 Swarovski Crystal Cashmere Yarn
2 ply 100% Cashmere
2 ply 100% Cotton

#59100 Swarovski Crystal Cashmere Yarn
2 ply 100% Cashmere
2 ply 100% Cotton

Available Colors:
K022 001 White yarn, Crystal Beads
K026 542 Padparadscha yarn & Beads
K025 214 Peridot yarn & Beads

#59000 Swarovski Crystal Cotton Yarn
4 ply 100% Cotton

#59100 Swarovski Crystal Cotton Yarn
4 ply 100% Cotton

Available Colors:
C022 001 White yarn, Crystal Beads
C035 001 AB Cream yarn, Crystal AB Beads
C035 620 Cream yarn & Pearls
C036 001 GSHA Golden Shadow yarn & Beads
C040 001 SSHA Silver Shade yarn & Beads
C045 390 Pacific Opal yarn & Beads
C046 319 Vintage Rose yarn & Beads
C039 352 Powder Rose yarn & Pearls
C037 227 Light Siam yarn & Beads
C044 228 Olivine yarn & Beads
C033 001 COP Copper yarn & Beads
C034 001 DOR2 Dorado yarn, Crystal Dorado 2x Beads
C038 207 Montana yarn & Beads
C012 280 Black yarn, Jet Beads
C012 335 Black yarn, Mystic Black Pearls

#59000 Swarovski Crystal Mohair Yarn
2 ply 66% Mohair
30% Polyamide
4% Wool
2 ply 100% Cotton

#59100 Swarovski Crystal Mohair Yarn
2 ply 66% Mohair
30% Polyamide
4% Wool
2 ply 100% Cotton

#59010 Swarovski Crystal Mohair Yarn
2 ply 64% Wool
34% Mohair
2% Nylon
2 ply 100% Cotton

Available Colors:
M035 001 Cream yarn, Crystal Beads
M013 295 Bronze yarn & Pearls
M043 616 Light Grey yarn & Pearls
M042 280 HEM Jet Hematite yarn & Beads

Swarovski doesn't make crystal embedded 100% silk yarn yet, but Tilli Tomas does, and it's gorgeous.

The Swarovski beaded silk yarns from Tilli Tomas are called Mariel's Crystals and come in Parchment, Artic Ice (Blue), Black, Holiday (Orange), Hope (Pinks), Limeade Breeze (Light Green), Natural, Olive, Peacock Blue, Pinecone, Ruby Wine, Vanilla, Crystals (Light Yellow), Sky Drop (Light Blues), and Purple Reign.

Check this state by state directory of Tilli Tomas retailers to find out where to buy Mariel's Crystals near you.