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Lithium Reference Rate — 10-Day Trend
All prices in ₹ per gram · daily rate, updated once per day
A Process That's Being Rewritten in Real Time
For decades, getting lithium out of brine meant one thing: pumping salty water into vast ponds and waiting for the sun to do the work, a process that can take up to 18 months. A newer approach called Direct Lithium Extraction (DLE) is compressing that timeline dramatically, and it's reshaping how quickly new lithium supply can actually reach the market. Today's lithium reference rate is ₹1.75 per gram on September 21, 2026.
- Traditional evaporation: up to 18 months, recovers roughly 40-60% of contained lithium
- Direct Lithium Extraction (DLE): days to hours, recovers 90%+ of contained lithium
- DLE methods: adsorption, ion exchange, solvent extraction, membrane separation, electrochemical systems
Lithium Reference Rate by Weight
Today's Lithium rate is Two Rupees per gram. At this rate, 10 grams of Lithium costs Eighteen Rupees.
| Unit | Weight | Price (INR) | Price in Words |
|---|---|---|---|
| 1 Gram | 1.0000 g | ₹1.75 | Two Rupees |
| 8 Grams | 8.0000 g | ₹14.03 | Fourteen Rupees |
| 10 Grams | 10.0000 g | ₹17.54 | Eighteen Rupees |
| 100 Grams | 100.0000 g | ₹175.36 | One Hundred and Seventy Five Rupees |
| 1 Kilogram | 1,000.0000 g | ₹1,753.60 | One Thousand Seven Hundred and Fifty Four Rupees |
| 1 Ounce (oz) | 28.3495 g | ₹49.71 | Fifty Rupees |
| 1 Troy Ounce | 31.1035 g | ₹54.54 | Fifty Five Rupees |
| 1 Metric Ton | 1,000,000.0000 g | ₹1,753,604.00 | Seventeen Lakh Fifty Three Thousand Six Hundred and Four Rupees |
How Direct Lithium Extraction Actually Works
Rather than waiting for solar evaporation to slowly concentrate lithium in a pond, DLE systems use selective materials -- sorbents, membranes, solvents or electrochemical cells -- engineered to grab lithium ions specifically while leaving other minerals in the brine behind. Adsorption, one of the most advanced approaches, works by capturing lithium ions onto the surface of a specially designed sorbent material, then releasing that lithium using chemicals or water in a separate step. Because these methods target lithium directly rather than relying on weather-dependent evaporation, the whole process compresses from many months down to days or even hours.
Why recovery rate matters as much as speed
Speed isn't DLE's only advantage. Conventional evaporation ponds typically recover only 40-60% of the lithium actually present in a given brine -- a meaningful share is simply lost to the process. Well-designed DLE systems can recover more than 90% of that same lithium, meaning a brine deposit that looked marginal under traditional evaporation economics can become genuinely viable once processed through DLE instead.
| Factor | Evaporation Ponds | Direct Lithium Extraction |
|---|---|---|
| Processing time | Up to 18 months | Hours to days |
| Lithium recovery rate | ~40-60% | 90%+ |
| Climate requirement | High-altitude, arid conditions | None specific |
| Usable brine sources | High-concentration salt-flat brine | Also geothermal, oilfield brines |
Lithium Reference Rate — Last 10 Days
The most recent Lithium price on record (2026-09-21) is Two Rupees per gram.
| Date | Price (INR/g) | Change |
|---|---|---|
| 2026-09-21 | ₹1.75 | 0.00 |
| 2026-09-20 | ₹1.75 | 0.00 |
| 2026-09-19 | ₹1.75 | 0.00 |
| 2026-09-18 | ₹1.75 | +0.02 |
| 2026-09-17 | ₹1.73 | +0.01 |
| 2026-09-16 | ₹1.72 | -0.05 |
| 2026-09-15 | ₹1.77 | -0.03 |
| 2026-09-14 | ₹1.80 | -0.04 |
| 2026-09-13 | ₹1.85 | +0.00 |
| 2026-09-12 | ₹1.85 | — |
What This Means for Where Lithium Can Be Produced
Because DLE doesn't need the specific arid, high-altitude conditions evaporation ponds require, it opens up lithium extraction from brine sources that were previously considered uneconomical or simply unusable -- including geothermal brines and oilfield wastewater in regions far from the traditional Lithium Triangle or Australian hard-rock belts. That geographic flexibility is a genuine structural shift: it means new lithium supply doesn't have to come only from the handful of countries that happen to have the right salt-flat geology, which could gradually reshape which countries matter most to global lithium supply over the coming years.
The comparison table and 10-day history above track lithium's own price trend. For a longer view, the site's own lithium price history page holds real recorded data.
Lithium Extraction — FAQs
DLE is a family of technologies -- including adsorption, ion exchange, solvent extraction, membrane separation and electrochemical methods -- that pull lithium ions directly out of brine using selective materials, rather than relying on slow solar evaporation. Adsorption, which captures lithium ions on a specially designed sorbent material, is considered the most technologically advanced of these approaches for extracting lithium from geothermal brines.
Dramatically faster. Traditional evaporation-pond brine processing can take up to 18 months to concentrate lithium enough for further processing. DLE technologies can extract lithium from the same brine in a matter of days, and in some cases hours, because they use selective materials rather than waiting on sun and wind.
Yes, substantially more. Well-designed DLE systems can recover more than 90% of the lithium contained in a given brine, compared with roughly 40-60% for conventional evaporation ponds, which lose a meaningful share of the resource to the process itself.
One of DLE's biggest advantages is geographic flexibility. Because it doesn't depend on a specific climate for evaporation, DLE can process brines with lower lithium concentrations or more contaminants, including geothermal and oilfield brines -- sources that were previously uneconomical to develop and that exist in regions without the high-altitude, arid conditions evaporation ponds require.
It's expanding rather than fully replacing older methods yet. Both evaporation-pond brine processing and hard-rock spodumene mining remain the dominant sources of the world's lithium supply, but DLE projects are being developed and commercialized across multiple countries specifically because of the speed and resource-efficiency advantages over conventional evaporation.
