LED BULB
10W / E27 / Cool White (6000K)
₹40
Sale price
₹40
Regular price
₹80
Skip to product information
LED BULB
₹40
Sale price
₹40
Regular price
₹80
The Diamond LED Bulb is an everyday, energy-saving bulb that replaces old incandescent and CFL lamps without changing your fittings. Its silver-finished base and clean light make it...
- 10–50W
- 2 light colours
- Quality-checked by Diamond, since 1958
- See it switched on at our Kolkata showrooms
- Secure checkout
Project or bulk order? Get trade pricing
About the LED BULB
Overview
The Diamond LED Bulb is an everyday, energy-saving bulb that replaces old incandescent and CFL lamps without changing your fittings. Its silver-finished base and clean light make it a dependable choice for any room.
Variants & Specifications
Choose from seven wattages, 10W, 12W, 15W, 20W, 30W, 40W and 50W, so the same bulb can light a small bathroom or a large shop floor. It comes with either an E27 screw base or a B22 pin base, in Cool White (6000K) or Warm White (2700K).
Ideal Applications
Use the lower wattages in bedrooms, kitchens and passages, and the 30W to 50W models for shops, godowns, garages and high ceilings. A simple LED bulb upgrade for homes and businesses across Kolkata.
Specifications
| Model Name | LED BULB |
|---|---|
| Wattage | 10W, 12W, 15W, 20W, 30W, 40W, 50W |
| Base Designation | E27, B22 |
| Light colour | Cool White (6000K), Warm White (2700K) |
| Base Colour | Silver |
Need a spec sheet, IES file or help choosing? Ask us on WhatsApp
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Diamond LED Bulb: 10W to 50W Energy-Saving Bulb with E27 or B22 Base
Swapping an old incandescent or CFL lamp for an LED bulb is the quickest way to cut a lighting bill. The Diamond LED Bulb fits your existing holders and comes in seven wattages, from a 10W bulb for a bathroom to a 50W bulb for a shop floor or godown.
Prices start at ₹80, with an E27 screw base or B22 pin base, in cool or warm white. See every lamp in our LED bulbs and tube lights collection.
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LED Bulb at a Glance
The Diamond LED Bulb is an energy-saving bulb in 10W, 12W, 15W, 20W, 30W, 40W and 50W, priced from ₹80 to ₹780. It comes with an E27 screw base or B22 pin base, in Cool White (6000K) or Warm White (2700K), for homes, shops and godowns.
LED Bulb Specifications and Price
- Wattage: 10W, 12W, 15W, 20W, 30W, 40W, 50W
- Base: E27 screw or B22 pin
- Light colour: Cool White (6000K), Warm White (2700K)
- Finish: Silver base
| Wattage | Price |
|---|---|
| 10W | ₹80 |
| 12W | ₹120 |
| 15W | ₹180 |
| 20W | ₹250 |
| 30W | ₹450 |
| 40W | ₹550 |
| 50W | ₹780 |
Key Features of the Diamond LED Bulb
- Seven wattages from 10W to 50W
- Fits common E27 and B22 holders
- Cool or warm white
- Uses far less power than incandescent bulbs
- Silver-finished base
Which Wattage LED Bulb Do You Need?
Use 10W or 12W in bathrooms, passages and small bedrooms. Use 15W or 20W in living rooms and kitchens. Use 30W to 50W for shops, godowns, garages and high ceilings where one bulb must light a large area.
E27 or B22: Which Base Do You Have?
An E27 base screws in, while a B22 base pushes in and twists to lock. Most Indian homes use B22 holders, while many decorative fittings use E27. For small chandelier holders, see the E14 Candle Bulb.
Compare Diamond LED Bulbs
| Model | Wattage | Base | Best for | Price |
|---|---|---|---|---|
| LED Bulb | 10W to 50W | E27 or B22 | Everyday rooms to shops | ₹80 to ₹780 |
| LED Corn Bulb | 12W, 16W | E27 or E14 | Decorative open fittings | ₹320 to ₹400 |
| Candle Bulb | 4W, 6W | E14 | Chandeliers and sconces | ₹160 to ₹180 |
| Candle Bulb with Tail | 4W, 6W | E14 | Classic open chandeliers | ₹160 to ₹180 |
| Bel Bulb (ST-64) | 6W | E27 | Exposed pendants | ₹240 |
| Round Bulb | 4W, 6W | E27 | Mirrors and wall lamps | ₹160 to ₹240 |
| T-Bulb | 10W | B22 | Rooms and corridors | ₹260 |
| MR16 Lamp | 6W | Direct wiring | Spot fittings | ₹300 |
Best Uses for the Diamond LED Bulb
- Bedrooms, kitchens and passages
- Living rooms
- Shops and showrooms
- Godowns, garages and workshops
- High-ceiling halls
How to Install the Diamond LED Bulb
- Switch off the light and let the old bulb cool before touching it.
- Check the holder type: E27 is a large screw, E14 is a small screw and B22 is a push-and-twist pin base.
- Choose the matching Diamond LED bulb in the wattage and colour you need.
- Screw in or push and twist the new bulb until it sits firmly.
- Switch on and check the light.
Buy the Diamond LED Bulb in Kolkata
Diamond Electrical Industries has supplied lighting to Kolkata homes, shops and projects since 1958. Order the Diamond LED Bulb online for delivery, or see it switched on at our Esplanade showroom at 11A, Esplanade East, above K.C. Das, Kolkata 700069.
Replacing bulbs across a whole home, shop or godown? Bring your list to our showroom, or browse every lamp in our LED bulbs and tube lights collection.
Frequently Asked Questions
What is the price of an LED bulb in Kolkata?
The Diamond LED bulb costs ₹80 for 10W, ₹120 for 12W, ₹180 for 15W, ₹250 for 20W, ₹450 for 30W, ₹550 for 40W and ₹780 for 50W.
Which LED bulb wattage is best for a room?
A 12W to 20W LED bulb suits most rooms. Use 10W for bathrooms and passages, and 30W to 50W for shops and large spaces.
What is the difference between E27 and B22 bulbs?
An E27 bulb has a screw base, while a B22 bulb has a push-and-twist pin base. Check your holder and buy the matching base.
Is cool white or warm white better for a home?
Warm white suits bedrooms and living rooms because it feels relaxed. Cool white suits kitchens, study rooms and shops where bright, crisp light helps.
Do LED bulbs save electricity?
Yes. An LED bulb uses far less power than an incandescent or CFL bulb for similar light, which lowers your electricity bill.
Is a 50W LED bulb good for a shop?
Yes. A 30W to 50W LED bulb gives strong light for shops, godowns and high ceilings. For a long linear light, see our LED tube lights.
Where can I buy LED bulbs in Kolkata?
Buy LED bulbs from Diamond Electrical Industries online at dewdiamond.com or at the Esplanade showroom, 11A, Esplanade East, Kolkata 700069.