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AMAZON
The Principia
₹2,140
₹2,400
11% OFF
2%
Updated 21st Sep 2026, 04:02 AM
Buy Now
Price Analysis & Buying Guide
F
2 / 100
Not a Deal
Confidence: 100%
Avg Discount
0/28
Recent Discount
0/22
Historical Pos.
2.2/20
Low Proximity
0/20
Trend Bonus
0/10
Avg Price
₹1,359
6M Avg
₹1,806
All-Time Low
₹591
All-Time High
₹2,400
vs MRP
↓10.8%
Price Benchmarks
Lowest Ever
₹591
18th Dec 2017
Highest Ever
₹2,352
26th Jul 2026
Average Price
₹1,357
55 data points
3-Month Low
₹1,513
4th Sep 2026
6-Month Low
₹1,513
15th Jun 2026
12-Month Low
₹1,513
15th Jun 2026
As per price history, The Principia's lowest price is ₹591. The average price is ₹1,359. Highest ever price is ₹2,400. Along with deals, coupons & discounts, you can get it at ₹2,140. Read our Pricing Disclosure
Product Details
| Product Code | 1684113164 |
|---|---|
| Market Place | amazon.in |
| Store | Amazon |
| Brand | Sir Isaac Newton (Author) Format: Paperback |
| Rating | 4.5 (457 ratings) |
| Category | Ecology |
| Country of Origin | India |
Frequently Asked Questions
What is the lowest price ever for The Principia?
▶
The all-time lowest price for The Principia was ₹591 recorded on 18th Dec 2017. The current price is 262.2% higher than this all-time low.
What was the highest price for this product?
▶
The highest recorded price for The Principia was ₹2,352 on 26th Jul 2026. Right now you save 9% compared to the peak price.
What is the average selling price?
▶
Based on 55 data points, the average price of The Principia is ₹1,357. The current price is 57.7% above average. Consider waiting for a price drop.
What is the 3-month lowest price?
▶
In the last 3 months, the lowest price was ₹1,513 on 4th Sep 2026.
What is the 6-month lowest price?
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The 6-month lowest price for The Principia was ₹1,513 on 15th Jun 2026.
Is the price going up or down?
▶
The current price trend for The Principia is Rising. Prices have been going up. If you need this product, buying sooner rather than later may save you money before it rises further. It has been 101 days since the last recorded low price.
How does the current price compare to the average?
▶
The current price is 57.5% above the average price. You may want to wait for a price drop unless you need it urgently.
How much discount is available from MRP?
▶
You're currently saving 10.8% off the MRP (Maximum Retail Price).
Should I buy this product now?
▶
Price is high. Score: 2/100 (Grade F) — we recommend waiting. The product has been available at significantly lower prices in the past. Price trend is currently rising.
What does the Deal Score mean?
▶
The Deal Score is a composite rating from 0 to 100 calculated by our algorithm. It considers five factors: Average Discount (how far below the long-term average), Recent Discount (short-term price performance), Historical Position (where the price sits in its all-time range), Low Proximity (closeness to the all-time low), and Trend Bonus (whether prices are falling). Grades are: S (90-100, Exceptional), A (75-89, Great), B (60-74, Good), C (45-59, Fair), D (30-44, Below Average), F (0-29, Not a Deal). This product currently has a score of 2 with 100% confidence.
Where can I buy this product?
▶
The Principia is available on Amazon (amazon.in). Click the Buy Now button above to visit the product page directly. We recommend checking for available coupons and bank offers on the store page for additional savings.