Walking into a buyer’s shop with a handful of old jewellery, a broken chain or a few coins is a normal experience for many South Africans. What happens next?—?the weighing, the testing, the pricing?—?is where most sellers get caught off guard. Understanding how the process actually works puts a person in a much stronger position to walk away with a fair payout.
The first step: weighing
Every gold item that comes through the door is weighed first. Buyers use a precision digital scale that reads to two decimal places, usually in grams. A wedding band might weigh 4.2 grams. A heavy gold chain could weigh 32 grams or more.
For Cash For Gold transactions to be fair, the scale must be calibrated and visible. Anyone offering to weigh gold out of sight, or using an old mechanical scale, should be politely refused. A proper buyer has nothing to hide and will happily show the reading on the screen.
The karat test
After weighing, the buyer checks the purity. Gold sold in South Africa comes in a few standard karat values. 9 karat contains 37.5% gold. 14 karat contains 58.3% gold. 18 karat contains 75% gold. 22 karat contains 91.6% gold. 24 karat contains 99.9% gold but is almost never used for jewellery as it’s too soft.
A higher karat means more gold and more money per gram. A 9-karat chain weighing 20 grams is worth far less than an 18-karat chain of the same weight.
Buyers test purity using a few methods. The simplest is the acid test?—?a small scratch on a touchstone with a drop of nitric acid solution reveals the gold content. Higher-end buyers use an X-ray fluorescence machine that gives a precise reading in seconds without damaging the piece. A proper Gold Exchange usually has one of these machines on the counter.
The hallmark check
Most quality gold jewellery has a small hallmark stamped somewhere on it?—?typically on the inside of a ring band or near the clasp of a chain. The stamp usually shows the karat value: “375” for 9-karat, “585” for 14-karat, “750” for 18-karat, “916” for 22-karat.
Buyers check for these stamps before testing. A clear hallmark gives the buyer confidence in the metal. A piece with no hallmark gets tested more carefully, since some plated items look exactly like solid gold from the outside.
How the price is calculated
Once the weight and karat are confirmed, the price comes down to simple maths. The buyer takes the international gold price (quoted in US dollars per ounce), converts it to rands per gram, and applies a percentage based on the karat.
For example, if spot gold sits at around R1,800 per gram (pure gold), a 9-karat piece is paid at roughly 37.5% of that, which works out to about R675 per gram. A 14-karat piece comes in at roughly 58.3%, or R1,049 per gram. An 18-karat piece is paid at roughly 75% of spot, around R1,350 per gram. These numbers move every day with the gold market. Anyone asking where can i sell gold for cash should know that the rate quoted in the morning might be slightly different by the afternoon if the gold price has shifted.
The buyer’s margin
Every buyer takes a small percentage off the spot price as their margin. This is what pays for the shop, the staff, the testing equipment and the buyer’s profit when they resell or refine the gold. A typical margin sits somewhere between 5% and 15% depending on the buyer and the size of the transaction.
Larger transactions tend to come with thinner margins. Selling Gold worth R50,000 in a single visit usually gets a better per-gram rate than selling R2,000 worth of scrap. Buyers can afford to pay more on bigger sales since their fixed costs (counting, testing, paperwork) are similar for both.
What about gemstones?
Many old pieces have small diamonds, sapphires or other stones set into them. Most Gold Buyers pay for the gold weight only and don’t credit the stones unless they’re particularly large or high quality. Small chips of stone get returned to the seller, or sometimes the seller is offered to leave them as part of the deal.
If a piece has a significant diamond, ask for a separate valuation. Some buyers handle stones in-house, others refer you to a jeweller for the gem side of the sale.
Sorting before you go
A bit of preparation at home saves time at the counter. Separate the pieces by karat where possible (the hallmark on each piece tells you). Group them in small bags or envelopes by purity. This makes the weighing and testing faster and gives the buyer a clearer picture of what’s on offer.
Anything that’s broken, snapped or missing pieces is still worth selling. The buyer cares about the gold content, not the condition. A snapped chain pays the same per gram as one in perfect shape.
Choosing the right buyer
Distance matters less than reputation. Someone searching Cash for Gold Near Me might get dozens of results, but not all of them quote the same rates. The best approach is to call two or three Gold Buyers Near Me and ask for their per-gram rate at each karat that day. The differences can add up to real money on a larger sale.
A reputable buyer is happy to quote rates over the phone, explain how they test the gold, and confirm the payment method (almost always bank transfer for amounts over a few thousand rand).
Walking away with the right deal
The seller who walks out happy is the one who knew the basics walking in. Weight, karat, spot price, margin?—?those are the four numbers that determine the final payout. A good Gold Exchange Near Me will be open about all of them.
Anyone wanting to Sell Gold should do their checking on the same day they plan to sell. Quotes from different days aren’t directly comparable as the gold price moves around. Get fresh numbers, compare them, and choose the buyer who pays the best for the karats being sold.
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