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Rainbow & gradient filament, rated 3.5 stars and up, ranked by £/kg

Every listing we track on Amazon UK that matches all of these filters, ranked by £/kg. Remove a filter with its "All" chip to widen the list.

Silk, dual colour and gradient filament explained →

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All (153) On offer now (52)

By material:PLA (119)PLA+ (18)PETG (14)ABS (1)

By finish:All finishes Silk (330)Matte (373)Dual & triple colour (178)Rainbow & gradient (153)Translucent (139)Glow in the dark (34)Sparkle & glitter (48)Marble (26)Wood (17)Colour-changing (2)

By pack:Single spools (123)Bulk & multi-pack (10)

By weight:Under 1 kg (7)1 kg (136)2 kg (5)4 kg (2)10 kg and over (3)

By colour:Red (3)Yellow (1)Green (1)Blue (1)Purple (1)Pink (1)Brown (1)Beige & natural (2)Transparent (8)

Condition:New (137)Amazon Warehouse (used) (6)

Rating:Any rating 4.5 stars & up (72)4 stars & up (144)3.5 stars & up (153)

153 listings tracked, 52 on offer right now.

Product	Material	Weight	Rating	Price	Per kg	Deal
IEMAI PETG Filament 1.75mm 10Kg, Gradient Translucent PETG 3D Printer Filament	PETG	10 kg	4.6 out of 5 (223 Amazon ratings)	£84.99	£8.50	15% below
Sovol 3D Printer Filament Matte Rainbow PLA 1.75mm 1kg, Bright Yellow	PLA	1 kg	4.5 out of 5 (570 Amazon ratings)	£9.38	£9.38	27% below
RAMBERY Matte Rainbow PLA 3D Printer Filament Bundle, 10 Colors Total 10kg, 1.	PLA	10 kg	4.9 out of 5 (11 Amazon ratings)	£96.40	£9.64	58% below
IEMAI PETG Filament 1.75mm 2Kg, Gradient Blue Purple/Blue Green Translucent PE	PETG	2 kg	4.6 out of 5 (220 Amazon ratings)	£19.54	£9.77	24% below
YUANEANG Crystal Rainbow PLA 3D Printer Filament, 1KG Spool(2.2lbs) 1.75mm PLA	PLA	1 kg	4.1 out of 5 (472 Amazon ratings)	£9.99	£9.99	9% below
JAYO Silk Tri-Color PLA+ Filament 1.75mm 1.1KG, Blue+Green+Purple Gradient	PLA+	1.1 kg	4.6 out of 5 (240 Amazon ratings)	£11.55	£10.50	15% below
ERYONE Ultra Silk PLA Filament, Silky Glossy Finish Filament,Fast Color Change	PLA	1 kg	4.2 out of 5 (2,604 Amazon ratings)	£10.99	£10.99	45% below
ERYONE Matte PLA Filament 1.75mm, +/-0.03mm, 1kg (2.2lbs)/Spool, Multicoloured	PLA	1 kg	4.3 out of 5 (2,796 Amazon ratings)	£10.99	£10.99	45% below
JAYO Silk Dual Color PLA+ Filament 1.75mm, 1.1KG Red-Gold Gradient	PLA+	1.1 kg	4.6 out of 5 (243 Amazon ratings)	£12.10	£11.00	15% below
RAMBERY 4 Colors Matte Rainbow PLA 3D Printer Filament Bundle Fast Color Chang	PLA	4 kg	4.8 out of 5 (16 Amazon ratings)	£44.59	£11.15	—
NEOTRY Silk Tri Colour PLA Filament 1.75mm 1kg, Multicolor 3D Printer Filament	PLA	1 kg	4.4 out of 5 (145 Amazon ratings)	£11.53	£11.53	Warehouse · 13% under new
Creality 3D Printer Filament 1.75mm, Rainbow Upgraded PLA+ Filament Strong Tou	PLA+	2 kg	4.6 out of 5 (2,042 Amazon ratings)	£23.12	£11.56	Warehouse
JAYO Silk Dual Color PLA+ 3D Filament 1.75mm, 1.1KG Pink-Gold Gradient	PLA+	1.1 kg	4.6 out of 5 (243 Amazon ratings)	£12.74	£11.58	15% below
RAMBERY 4 Colors Rainbow Silk PLA Filament Bundle Fast Color Change 3D PLA Fil	PLA	4 kg	4.5 out of 5 (149 Amazon ratings)	£46.34	£11.59	—
IEMAI PETG Filament 1.75mm 1Kg, Transparent Gradient Blue Purple PETG 3D Print	PETG	1 kg	4.5 out of 5 (546 Amazon ratings)	£11.89	£11.89	15% below
ERYONE High Speed Translucent Gradient PETG Filament 1.75mm +/- 0.03mm, 30-600	PETG	1 kg	4.3 out of 5 (3 Amazon ratings)	£11.89	£11.89	30% below
Sovol 3D Printer PETG Filament 1.75mm, Gradient Multicolors 3D Printing Filame	PETG	1 kg	4.4 out of 5 (929 Amazon ratings)	£11.89	£11.89	10% below
ERYONE Ultra Silk PLA Filament,Silky Glossy Finish Filament, Fast Color Change	PLA	1 kg	4.2 out of 5 (2,606 Amazon ratings)	£11.99	£11.99	40% below
eSUN Clear Rainbow PLA Filament 1KG, Translucent Multicolored,Flame Crystal	PLA	1 kg	4.4 out of 5 (75 Amazon ratings)	£12.33	£12.33	14% below
eSUN Clear Rainbow PLA Filament 1KG, Translucent Multicolored, Blue Crystal	PLA	1 kg	4.4 out of 5 (74 Amazon ratings)	£12.33	£12.33	14% below
RepRapper Forest Rainbow Silk PLA Filament 1.75mm, Shiny Gradient Multicolor 3	PLA	1 kg	4.1 out of 5 (1,682 Amazon ratings)	£12.74	£12.74	15% below
LANDU Silk PLA Filament 1.75mm 3D Printer Multicolor Filament Gradient Color C	PLA	1 kg	5.0 out of 5 (2 Amazon ratings)	£12.74	£12.74	10% below
LANDU Silk Candy Blue Silver 1.75mm 3D Printer Multicolor Filament Gradient Co	PLA	1 kg	5.0 out of 5 (2 Amazon ratings)	£12.74	£12.74	15% below
Conjure Matte PLA Filament 1.75mm, Matte Rainbow 1kg	PLA	1 kg	4.4 out of 5 (361 Amazon ratings)	£12.84	£12.84	35% below
JAYO Silk Gradient Tri-Color PLA+ 3D Printing Filament 1.75 mm, 1.1 kg	PLA+	1.1 kg	4.6 out of 5 (243 Amazon ratings)	£14.24	£12.95	5% below
iSANMATE Transparent Flashing PLA Filament 1.75 mm, Clear Gradient Multicolour	PLA	1 kg	3.9 out of 5 (51 Amazon ratings)	£12.99	£12.99	35% below
iSANMATE Matte PLA Filament 1.75mm, Rainbow Multicolor Fast Change 3D Printer	PLA	1 kg	4.8 out of 5 (13 Amazon ratings)	£12.99	£12.99	13% below
ERYONE Ultra Silk PLA Filament, Silky Glossy Finish Filament,Fast Color Change	PLA	1 kg	4.2 out of 5 (2,606 Amazon ratings)	£12.99	£12.99	40% below
ERYONE Matte PLA Filament 1.75mm, +/-0.03mm, 1kg (2.2lbs)/Spool, Multicoloured	PLA	1 kg	4.3 out of 5 (2,776 Amazon ratings)	£12.99	£12.99	35% below
iSANMATE PETG Transparent Glitter Filament, 1.75 mm PETG Clear Gradient Rainbo	PETG	1 kg	5.0 out of 5 (1 Amazon ratings)	£12.99	£12.99	18% below
iSANMATE PLA Translucent Filament 1.75 mm, Translucent Gradient Filament, Dime	PLA	1 kg	4.8 out of 5 (11 Amazon ratings)	£12.99	£12.99	27% below
iSANMATE PLA Translucent Filament 1.75 mm, Translucent Gradient Filament, Dime	PLA	1 kg	4.4 out of 5 (3 Amazon ratings)	£12.99	£12.99	13% below
iSANMATE PLA Transparent Filament 1.75 mm, Transparent Gradient Rainbow Colour	PLA	1 kg	5.0 out of 5 (2 Amazon ratings)	£12.99	£12.99	13% below
iSANMATE PETG Transparent Glitter Filament, 1.75 mm PETG Clear Gradient Rainbo	PETG	1 kg	5.0 out of 5 (1 Amazon ratings)	£12.99	£12.99	—
iSANMATE PLA Translucent Filament 1.75 mm, Translucent Gradient Blue Purple Fi	PLA	1 kg	4.6 out of 5 (6 Amazon ratings)	£12.99	£12.99	18% below
iSANMATE PETG Transparent Glitter Filament, 1.75 mm PETG Clear Gradient Rainbo	PETG	1 kg	4.1 out of 5 (8 Amazon ratings)	£12.99	£12.99	18% below
YUANEANG Rainbow PLA 3D Printer Filament, 1KG Spool(2.2lbs) 1.75mm 3D Printing	PLA	1 kg	4.1 out of 5 (472 Amazon ratings)	£12.99	£12.99	7% below
YUANEANG Rainbow PLA 3D Printer Filament, 1KG Spool(2.2lbs) 1.75mm 3D Printing	PLA	1 kg	4.1 out of 5 (455 Amazon ratings)	£12.99	£12.99	7% below
Sovol 3D Printer Filament Matte Rainbow PLA 1.75mm 1kg, Matte Cabbage	PLA	1 kg	4.5 out of 5 (570 Amazon ratings)	£13.06	£13.06	Warehouse
JAYO Silk Rainbow PLA+ 3D Printing Filament 1.75mm, 1.1kg Rainbow 03	PLA+	1.1 kg	4.6 out of 5 (243 Amazon ratings)	£14.44	£13.13	10% below
IEMAI 3D Printer Filament, PETG Filament 1.75mm Translucent,Gradient Color PET	PETG	1 kg	4.3 out of 5 (456 Amazon ratings)	£13.30	£13.30	15% below
LANDU Silk PLA 3D Printer Filament Multicolor Rainbow PLA Filament 1.75mm Grad	PLA	1 kg	4.5 out of 5 (4 Amazon ratings)	£13.51	£13.51	9% below
LANDU Silk Tri-Color PLA Filament 1.75mm 1Kg, Triple Color Silk PLA Filament,	PLA	1 kg	4.6 out of 5 (204 Amazon ratings)	£13.66	£13.66	Warehouse
CC3D Silk Candy PLA Filament 1.75mm Dynamic Candy Color Silk PLA 3D Printer Fi	PLA	1 kg	4.5 out of 5 (130 Amazon ratings)	£13.99	£13.99	6% below
CC3D Silk Candy PLA Filament 1.75mm Dynamic Candy Color Silk PLA 3D Printer Fi	PLA	1 kg	4.5 out of 5 (131 Amazon ratings)	£13.99	£13.99	6% below
iSANMATE Matte Tri Colors PLA Filament 1.75mm, 3-in-1 Color Rainbow Filament,	PLA	1 kg	4.5 out of 5 (21 Amazon ratings)	£13.99	£13.99	6% below
NEOTRY Silk Tri Colour PLA Filament 1.75mm 1kg, Multicolor 3D Printer Filament	PLA	1 kg	4.4 out of 5 (66 Amazon ratings)	£13.99	£13.99	—
iSANMATE Matte Tri Colors PLA Filament 1.75mm, 3-in-1 Color Rainbow Filament,	PLA	1 kg	3.9 out of 5 (4 Amazon ratings)	£14.07	£14.07	Warehouse
Creality Rainbow PLA+ Filament 1.75mm for 3D Printers, 2kg(4.4lb) +/-0.02mm Di	PLA+	2 kg	5.0 out of 5 (3 Amazon ratings)	£28.34	£14.17	19% below
NEOTRY Silk Dual Colour PLA Filament 1.75mm 1kg, Multicolor 3D Printer Filamen	PLA	1 kg	4.4 out of 5 (143 Amazon ratings)	£14.24	£14.24	5% below
NEOTRY Silk Tri Colour PLA Filament 1.75mm 1kg, Multicolor 3D Printer Filament	PLA	1 kg	4.4 out of 5 (66 Amazon ratings)	£14.24	£14.24	10% below
LANDU Silk PLA 3D Printer Filament Multicolor Rainbow PLA Filament 1.75mm Grad	PLA	1 kg	5.0 out of 5 (2 Amazon ratings)	£14.99	£14.99	—
NEOTRY Silk Dual Colour PLA Filament 1.75mm 1kg, Multicolor 3D Printer Filamen	PLA	1 kg	4.4 out of 5 (66 Amazon ratings)	£14.99	£14.99	11% below
NEOTRY Silk Dual Colour PLA Filament 1.75mm 1kg, Multicolor 3D Printer Filamen	PLA	1 kg	4.4 out of 5 (66 Amazon ratings)	£14.99	£14.99	11% below
NEOTRY Silk Dual Colour PLA Filament 1.75mm 1kg, Multicolor 3D Printer Filamen	PLA	1 kg	4.4 out of 5 (66 Amazon ratings)	£14.99	£14.99	11% below
Conjure PLA Glow Filament 1.75mm, Rainbow Multicolor,2kg Luminous Glowworm	PLA	2 kg	3.8 out of 5 (110 Amazon ratings)	£29.99	£15.00	—
SUNLU Dual Color Matte PLA Filament 1.75mm, Matte 3D Printer Filament with 2 C	PLA	1 kg	4.5 out of 5 (3,659 Amazon ratings)	£15.19	£15.19	10% below
SUNLU Dual Color Matte PLA Filament 1.75mm, Matte 3D Printer Filament with 2 C	PLA	1 kg	4.5 out of 5 (3,690 Amazon ratings)	£15.19	£15.19	10% below
SUNLU Dual Color Matte PLA Filament 1.75mm, Matte 3D Printer Filament with 2 C	PLA	1 kg	4.5 out of 5 (3,663 Amazon ratings)	£15.19	£15.19	10% below
SUNLU Dual Color Matte PLA Filament 1.75mm, Matte 3D Printer Filament with 2 C	PLA	1 kg	4.5 out of 5 (3,663 Amazon ratings)	£15.29	£15.29	—

Rainbow & gradient filament by brand

Guides

Bed adhesion: what actually works
Glue sticks, hairspray, rafts, brims and expensive surfaces — an honest ranking of what fixes prints coming loose, starting with the free fix that solves most cases.
Do you need a filament dryer?
Wet filament is real and ruins prints, but a dedicated dryer is not the only answer. How to tell if moisture is your problem, and what to do about it.
Filament storage: dry boxes, vacuum bags and desiccant
Keeping filament dry is cheaper than drying it out. What actually works, what desiccant to use, and why the little sachet in the bag is already spent.
First layer calibration, properly
Nearly every adhesion problem and half of all print failures start in the first layer. How to set Z offset by eye, and what a good first layer actually looks like.

Best-selling Filament by year — which actually sold best, going back several years, ranked by sales position rather than opinion.