Most "how to buy gold for investment" advice in India stops at hallmarking and weight. That is not enough. The single biggest determinant of whether physical gold actually behaves like an investment — meaning you can sell it later at close to the gold price you bought it at — is the combination of where you bought it, how it was made, and what the seller's buy-back terms are. Two buyers walking out of two different stores on the same day with the same 10-gram coin can be 8-10% apart in real economic value.

This is a 2026 buyer's guide to what actually matters when buying physical gold for investment in India, with the bits the seller is least likely to volunteer.

Where Indians actually buy — and what each costs over spot

Roughly four channels.

MMTC-PAMP is the most relevant for serious investment buyers. It is the only Indian refinery with LBMA accreditation — the London Bullion Market Association is the global benchmark for "good delivery" gold — produces 999.9 purity (24K) coins and bars in 1g, 2g, 5g, 10g and 50g denominations, and typically retails at a 2-5% premium over the underlying gold price. Buy-back on its own products is at prevailing market rate without deductions.

Branded jewellers — Tanishq, Kalyan, Malabar, Joyalukkas, Senco, CaratLane — also sell gold coins. Their distribution is enormous and their packaging is reassuring. Their pricing is not. Coins from these sellers commonly carry 5-12% over the gold price (the "minting charge" on a coin is a real line item, even though there is no jewellery design to make), and the buy-back terms are often less generous than the brand marketing suggests.

Banks (SBI, HDFC, Axis and others) sell sealed gold coins through branches, especially around Akshaya Tritiya and Dhanteras. Critical caveat: most Indian banks no longer buy back the gold they sell. The RBI restricted scheduled-commercial-bank gold buy-backs years ago. Bank-sold coins are effectively one-way transactions — you will be reselling to a jeweller or a refiner, usually at a discount to the original purchase price.

Local and online jewellers at the unbranded end. Premium varies enormously. Hallmarking and refinery provenance matter more here than anywhere else.

What 24K, 999, and the hallmark actually mean on a coin

"24K" can mean any purity above 99.5%. "999" means 99.9%. "999.9" means 99.99%. The difference between 999 and 999.9 is small in melt value but real in resale to a refiner, who prefers 999.9 metal.

BIS hallmarking is a useful but oddly partial regime for coins. It is mandatory for gold jewellery, but for coins and bars it is only available — not required — and only at India's 43 BIS-licensed refineries (which must hold either LBMA accreditation or NABL lab accreditation). So a coin without a BIS hallmark isn't necessarily fake or low-grade. A coin with a BIS hallmark from a licensed refinery is meaningfully de-risked. A coin with a hallmark-looking stamp from an unlisted seller is the most dangerous category. Verify the refinery name on the coin against BIS's published list before you trust any stamp.

The buy-back trap

This is where most buyers lose money without realising it.

Buy-back and exchange terms vary widely across retailers, and they often differ from what the marketing language at the point of sale suggests. Some sellers credit you the full prevailing metal rate — but only against new jewellery from the same brand, in-store, with an itemised exchange (not as cash). Others apply a percentage haircut, typically 4-10% off the benchmark gold price, sometimes more. Others restrict coin buy-backs to specific conditions: quality verification, original packaging intact, multi-day evaluation periods, store-credit-only redemption.

The point isn't that any single retailer's terms are unfair. It is that a buyer who treats "branded coins" as a single investment category is missing meaningful variance in resale terms across sellers. A 10-gram coin worth roughly Rs 1.6 lakh today can have Rs 8,000-16,000 riding on whether the small print says 90%, 95%, 100% (with conditions), or something more restrictive. Always ask for the buy-back policy in writing before you pay, photograph the page if it's posted in-store, and verify online — published policies do get updated, and the marketing copy at the counter doesn't always reflect the small print.

Two patterns to watch for. First: "100% buy-back" terms that work only as exchange against new purchases, not as cash. Second: percentage-of-benchmark deductions where the "benchmark" itself isn't the headline gold price you saw quoted.

The taxes nobody mentions at the counter

Two layers. 3% GST at purchase, levied on the full invoice value — gold + making/minting charge + any other fees. It is non-refundable; it is a sunk cost the moment you walk out.

On sale, capital gains apply. After Budget 2024, physical gold held for more than 24 months qualifies for long-term capital gains tax at a flat 12.5%, without indexation. Held under 24 months, gains are taxed at your income-tax slab rate. Section 54F can exempt the LTCG if reinvested in a residential house — useful for larger holdings.

The combined drag — 3% GST in, 12.5% LTCG out on the gain — is much smaller than the buy-back deduction trap. The seller's buy-back terms are the bigger lever. Tax is the smaller one.

Five red flags before you pay

One: the coin is not clearly marked 999 or 999.9. "22K coins" exist — alloyed gold marketed as "harder, more durable" — and are routinely mis-sold to investment buyers.

Two: no refinery name on the coin, or a refinery name that does not appear on the BIS-licensed list.

Three: the seller resists committing buy-back terms in writing. Verbal assurances at the counter are worthless six months later.

Four: pricing not broken down by gold value, minting charge, GST, and any other fees. If the seller hands you one round number, they are hiding the premium.

Five: heavy festival pressure. Akshaya Tritiya, Dhanteras and Diwali are when the most aggressive markups land. Making charges on coins of 8-12% are common even when the festival "offer" claims zero making charges, because the discount is calculated against an inflated base price. Run the calculator yourself before you trust any festival headline.

The mistake most retail buyers make

The conventional case against physical gold — that ETFs and Sovereign Gold Bonds offer "cleaner" exposure with less friction — sounds tidy on a financial-planning slide. It misses what physical gold actually is. A 10-gram bar in your possession is not a contract with a fund manager, not a depository line item, not a balance subject to platform risk or government policy revision. It moves with you across borders and generations. That is the case the Indian household has understood for two thousand years, and the data on global gold demand suggests they have not been wrong.

The conventional case for physical gold, though, is wrong about which physical gold to buy. The same household that appreciates the survivability argument walks into a branded jeweller's showroom, pays 8-12% over spot for a coin in handsome packaging, and treats it as an investment. That is not investing in physical gold. That is investing in a showroom — and in a buy-back policy written by the showroom's lawyers.

The right physical-gold purchase looks different. An LBMA-accredited refinery's product (MMTC-PAMP is the only one with that accreditation in India), at a 2-5% premium over spot, in 10-gram or larger denominations to amortise the premium, with buy-back terms in writing, in original packaging with certificate intact. And recorded — weight, purity, purchase date, price paid, where it is kept, who knows about it — somewhere your family can find it without you. The investment case for physical gold is real. Most Indian buyers are simply paying 10 percentage points more than they need to for the privilege.