22K vs 18K Gold Jewellery — Which is Better?

22K (916) gold is 91.6% pure gold with 8.4% alloy; 18K (750) gold is 75% pure gold with 25% alloy. Because 22K contains more gold it is more valuable per gram (about 18–20% higher price) and is the standard for plain Indian jewellery — chains, bangles, rings and bridal ornaments. 18K has a much higher alloy content, making it harder and strong enough to hold diamonds and gemstones securely, which is why it is the global standard for diamond and studded jewellery.

It depends on the type of jewellery. For plain ornaments (chains, bangles, rings, necklaces without stones), 22K is better — higher gold value, traditional Indian standard, better resale. For diamond and studded jewellery (rings with stones, solitaires, gemstone pieces), 18K is better — its 25% alloy makes it hard enough to hold gemstones securely without bending. There is no single "better" grade; the right karat depends on what you are buying and how you will wear it.

22K gold is 91.6% pure gold (22 ÷ 24 = 0.916), written as BIS fineness "916". 18K gold is 75% pure gold (18 ÷ 24 = 0.75), written as BIS fineness "750". So 22K contains roughly 22% more pure gold by weight than 18K. The remaining portion in each — 8.4% in 22K and 25% in 18K — is alloy metals such as copper, silver, zinc or palladium that add strength and colour.

22K (916) gold is roughly 18–20% more expensive per gram than 18K (750) gold because it contains more pure gold. For example, if 22K is ₹7,300/g, 18K is around ₹6,000/g at the same date. On jewellery, the final out-of-pocket difference also depends on making charges — machine-made 18K diamond pieces sometimes have lower making charges than handmade 22K ornaments, narrowing the gap on the final bill.

For plain daily-wear jewellery without stones, 22K is the Indian standard and wears well for chains, simple rings and bangles. For daily-wear diamond or gemstone jewellery — such as an engagement ring or a studded pendant — 18K is strongly recommended because its 25% alloy makes it harder, more scratch-resistant and able to keep stones secure for decades. Avoid 24K for any daily wear; it is too soft and deforms easily.

18K (750) is the correct choice for diamond jewellery — there is no real debate here. Pure 24K gold is too soft to hold a diamond, and even 22K is borderline for fine prong work; the prongs can bend and the stone can loosen or fall out. 18K, with its 25% alloy, forms tight, durable prongs and bezels that grip diamonds securely for a lifetime. This is why every major brand — Tanishq, Kalyan, Cartier, Tiffany — sets diamonds in 18K.

Neither 22K nor 18K jewellery is the best gold investment — 24K (999) coins/bars, Sovereign Gold Bonds or Gold ETFs carry more gold value per rupee with far lower making charges. Between the two, 22K is the better value-holding jewellery grade because it contains 91.6% pure gold (vs 18K's 75%) and plain 22K ornaments lose less on resale. 18K diamond jewellery is an investment in wearable craftsmanship, not pure gold value.

For traditional Indian bridal jewellery — heavy necklaces, bangles, waistbands, temple jewellery and mangalsutras without stones — 22K (916) is the standard and the right choice, because it carries more gold value and matches cultural tradition. For bridal diamond jewellery — a diamond engagement ring, a diamond-studded necklace or a gemstone set — 18K (750) is correct because it holds the stones securely. Many brides buy both: 22K for the traditional set, 18K for the diamond pieces.

Both retain strong resale value because most of their weight is recoverable pure gold. 22K (916) plain jewellery typically recovers 85–92% of its gold value on resale or exchange, because it is 91.6% gold and has no stone cost. 18K (750) diamond jewellery recovers roughly 60–75% of its purchase price — the 75% gold weight is recoverable, but diamonds and making charges usually fetch less on resale. For pure resale value, 22K plain ornaments win.

Yes — both 18K (750) and 22K (916) gold jewellery are accepted for gold loans by banks and NBFCs. The lender tests purity, values the piece at that day's 22K or 18K rate, and lends up to 75% of the gold value as LTV (Loan-to-Value) per RBI rules. 22K fetches a higher loan per gram because it holds more gold. Note: 24K coins/bars are often NOT accepted for gold loans — only jewellery — so both 18K and 22K ornaments are actually better loan collateral than 24K coins.

It depends on the design, not the karat. Handmade 22K ornaments with intricate filigree, temple work or custom bridal designs can carry making charges of 8–25% of gold value. Machine-made 18K diamond jewellery often has lower percentage making charges but adds a separate diamond cost. Always ask for the making charge as a percentage of the gold value and an itemised bill — never accept a lump-sum quote for either karat.

Both genuine 22K and 18K gold are largely hypoallergenic because gold is a noble metal that does not oxidise. 22K, with 91.6% gold, is even safer. Modern BIS-hallmarked 18K uses nickel-free alloys (palladium, silver, zinc) and rarely causes allergies; however, older or cheap imported white-gold 18K alloys that used nickel can irritate sensitive skin. If your gold turns your skin green or black, it is under-karat or fake — real gold never oxidises.

22K gold has a richer, deeper yellow colour because it is 91.6% pure gold — the classic warm "Indian gold" look. 18K yellow gold (75% gold + copper + silver) is slightly paler and lighter, but 18K also comes in rose gold (more copper — warm pinkish) and white gold (palladium/zinc — silvery white), which 22K does not. So 18K offers three colour variants, while 22K is only available in its signature rich yellow.

Yes. Since 16 June 2021, BIS hallmarking is mandatory for all gold jewellery and artefacts sold in India, and both 916 (22K) and 750 (18K) are officially recognised purity grades. Any piece you buy must carry the BIS logo, the "916" or "750" purity mark, the jeweller's mark and a 6-digit HUID verifiable free on the BIS Care App. Always insist on a hallmarked piece and an itemised bill — for either karat.

Yes, most jewellers accept exchange of 18K for 22K or the reverse. The jeweller melts the old piece, calculates its pure-gold value at the current rate (75% of weight for 18K, 91.6% for 22K), deducts a small melting/refining charge (typically 2–4%), and credits that value against the new piece. Exchanging 18K diamond jewellery also means selling or trading the diamond separately, which may fetch less than expected. Always exchange at the same brand for the best buyback terms.