Overview
Understanding the difference between hallmarked gold, KDM gold, and 916 gold, commonly searched as Hallmark vs KDM vs 916 gold, is crucial for making informed purchasing decisions. This is hallmarked vs KDM vs 916 gold explained in simple terms, covering purity standards, certification, and financial considerations to help you choose the right gold.
Understanding Different Types of Gold Before Buying
Buyers in India often encounter three terms that are not interchangeable: hallmarked gold refers to certification, KDM gold indicates a soldering method, and 916 gold defines purity. Knowing what each term actually means helps you avoid confusion and make smarter jewellery or investment choices.
What Is Hallmarked Gold?
Hallmarked gold is jewellery certified by the Bureau of Indian Standards (BIS), verifying its purity through independent testing. Every BIS hallmarked piece carries a six-digit alphanumeric HUID number that you can verify online, guaranteeing gold authenticity and protecting you from adulterated metal.
Since 1 July 2021, a hallmarked ornament displays three mandatory marks:
- BIS Standard Mark: Official logo of the certifying body
- Purity Grade: e.g., “22K916” confirming 22 carat, 91.6% purity
- HUID: A six-digit alphanumeric code unique to that piece
Ornaments hallmarked before July 2021 may carry four marks, including a separate assaying centre mark and jeweller’s mark. Both were retired because the HUID now links the piece to the testing centre and the jeweller in the BIS database.
Hallmark certification gives you confidence that what you pay for is exactly what you get, making certified gold jewellery the preferred choice for loans and resale.
What Is KDM Gold?
KDM gold gets its name from the cadmium-based solder once used to join gold parts during jewellery making. The alloy contained 92% gold and 8% cadmium, which allowed low-melting-point soldering without affecting ornament colour. This KDM jewellery technique gained popularity because it let artisans craft intricate designs quickly.
BIS addressed the health risks through the standard itself. IS 1417:2016 requires gold alloys used in jewellery and artefacts to be free from cadmium, which means cadmium-soldered pieces cannot be hallmarked. Chronic cadmium exposure, which mainly affects the artisans handling the solder, is linked to:
- Respiratory problems
- Kidney damage
- Bone weakening
- Cancer risk
Modern jewellery now uses cadmium-free solders that achieve the same durability without toxicity. While you may still hear the term “KDM gold” in older shops, the hallmarked vs KDM vs 916 gold difference that matters most today is that BIS hallmark certification never applies to jewellery made with cadmium solder.
What Does 916 Gold Mean?
916 gold signifies a purity level of 91.6% pure gold, equivalent to 22 carat gold. The number 916 represents parts per thousand; that is, 916 parts fine gold per 1000, with the remaining 8.4% comprising alloy metals like silver, copper, or zinc for strength. This standard is the most common for jewellery in India. Whenever you buy 916 hallmark gold, you get both the assured purity of 91.6% and the trust of BIS verification, an ideal combination for long-term value.
Hallmarked vs KDM vs 916 Gold Difference: Key Comparison Factors
The hallmarked vs KDM vs 916 gold comparison is not about picking one “best” type, as each term describes a different characteristic. One speaks of certification, another of manufacturing, and the third of metal fineness. The table below clarifies how they differ.
| Feature | Hallmarked Gold | KDM Gold | 916 Gold |
| Meaning | BIS-certified jewellery | Jewellery made using KDM soldering | Gold with 91.6% purity |
| Indicates | Certification | Manufacturing process | Purity level |
| Purity Guaranteed | Yes (BIS verified) | No | Yes (91.6%) |
| BIS Hallmark | Yes | No, cadmium-soldered pieces cannot be hallmarked | Usually when certified |
| Resale Value | High | Depends on purity verification | High when hallmarked |
| Suitable For | Jewellery and resale | Older designs already owned | Jewellery and gold loans |
Gold Purity and Certification
Gold purity alone does not guarantee gold authenticity, as you need independent certification. A BIS hallmark on 916 gold confirms that the piece indeed contains 91.6% fine metal. KDM gold, by its manufacturing history, will not carry a current hallmark, and many older KDM pieces rely solely on the jeweller’s word. For a buyer who plans to pledge the ornament for a gold loan or sell later, certified 916 hallmark gold gives a clear advantage over uncertified KDM jewellery.
Jewellery Making Process and Safety
KDM gold soldering used cadmium to lower the melting point without discolouration, but that convenience came at a health cost. Modern jewellers have moved to safe alternatives, such as zinc, silver, or proprietary alloys, that meet the cadmium-free requirement under BIS norms. Hallmarked jewellery always uses approved solders, and 916 gold jewellery can be crafted with cadmium-free techniques and then certified. When you examine the hallmarked vs KDM vs 916 gold difference from a manufacturing viewpoint, hallmarked 916 gold offers both purity assurance and a safer wearing experience.
Resale Value and Customer Trust
Resale value depends heavily on verifiable purity. Consider two ornaments of the same weight and the same 22 carat purity, one BIS hallmarked and one an uncertified KDM piece. The hallmarked ornament fetches a better price because the buyer, whether a jeweller or a lending partner, trusts the purity without testing it first. If you need funds, Airtel Finance can connect you with our lending partner, Bajaj Finance, for a gold loan against that certified jewellery, and hallmarked 916 gold typically allows a quicker valuation. Uncertified KDM gold often faces discounting because its exact purity remains unverified, directly lowering its resale value.
Why Is Hallmarked Gold Preferred in India?
BIS hallmarking has become the recognised national standard for gold authenticity, and it is the clearest answer to the hallmarked vs KDM vs 916 gold in India question. From local jewellers to organised lenders, everyone prefers certified gold jewellery because it eliminates guesswork around purity.
Role of BIS Hallmarking in Gold Purchases
BIS hallmark acts as a government-backed quality stamp. Every hallmarked item now carries a unique HUID that lets you confirm the purity grade, jeweller identity, and testing centre through the BIS CARE app. Banks and NBFCs readily accept such jewellery as collateral. When you apply for a gold loan through Airtel Finance, fulfilled by our lending partner Bajaj Finance, BIS-hallmarked 916 gold simplifies the valuation. Under the RBI (Lending Against Gold and Silver Collateral) Directions, 2025, effective 1 April 2026, the loan-to-value ceiling is up to 85% for loans up to ₹2.5 lakh, 80% for loans of ₹2.5 lakh to ₹5 lakh, and 75% above ₹5 lakh, applied to the value of the gold content rather than the retail price of the ornament. This consumer protection, combined with gold loan eligibility advantages, makes BIS hallmark non-negotiable for serious buyers.
Benefits of Buying Certified Gold Jewellery
Certified gold jewellery offers transparency that uncertified metal cannot. You know exactly what you own: 22 carat gold with 91.6% fineness, and you carry a digital record of that purity. This reduces fraud risk, ensures fair pricing during exchange, and maintains higher resale value. For anyone building a gold investment portfolio through wearable ornaments, 916 hallmark gold gives you the twin benefit of daily use and long-term asset credibility.
Hallmarked vs KDM vs 916 Gold Comparison: Which One Should You Choose?
Your choice depends on whether you prioritise certification, purity, wearability, or investment. The hallmarked vs KDM vs 916 gold buying guide below helps you align the right type with your goal.
Best Choice for Jewellery Purchase
For everyday jewellery, choose BIS-hallmarked 18K or 22K gold. While 18K gold (75% purity) offers more durability for daily wear, 22K hallmarked gold remains the preferred option for traditional ornaments. Both should carry the BIS hallmark; avoid uncertified KDM gold that may still be sold in informal markets. Hallmarked jewellery ensures you wear gold authenticity with every piece.
Best Choice for Long-Term Value
When long-term resale value matters, whether for future exchange or as collateral, hallmarked 916 gold wins. Lenders and bullion dealers readily value certified pieces, and you skip the cost and delay of purity testing. If you plan to use the ornament for a gold loan, hallmarked vs KDM vs 916 gold which is better becomes straightforward: hallmarked 916 gold is the cleanest option to present, while KDM gold without proper papers has to be assayed first.
Best Choice for Investment Purposes
Deciding hallmarked vs KDM vs 916 gold for investment depends on how you want to hold the metal. For pure gold investment, hallmarked 24K bullion or hallmarked 916 gold with minimal making charges is ideal. In a gold bar vs gold jewellery comparison, bullion often carries lower premiums, but only jewellery can be pledged, since gold bars, biscuits and bullion are not eligible collateral with RBI-regulated lenders. If you prefer wearable investment, stick to 22 carat gold with BIS hallmark. Airtel Finance can connect you with our lending partner, Bajaj Finance, who accepts hallmarked 916 jewellery for gold loans, making it a practical collateral option when you need funds without liquidating the asset.
Gold Buying Guide: Things to Check Before Purchasing Jewellery
A few simple checks before purchase can protect you from impure metal and help you maximise both wearing pleasure and future value. This gold buying guide covers the essentials.
Verify Hallmark Certification
Look for the BIS hallmark logo and the six-digit HUID on the ornament. Use the BIS CARE app to verify hallmark certification instantly. Do not rely solely on the jeweller’s claim, as self-verification confirms gold authenticity and ensures you are buying certified gold jewellery, not an uncertified piece.
Check Purity Details and Pricing
Confirm the caratage (22K, 18K) and 916 gold purity stamp. Compare the day’s live gold rate with the jeweller’s quote, and separately ask for gold making charges, typically a percentage of the metal value or a fixed fee per gram. Transparent pricing helps you judge whether the premium for 22 carat gold purity percentage is fair.
Understand Buyback and Resale Policies
Before paying, ask about the jeweller’s exchange or buyback terms. Some deduct making charges during resale; others offer 100% metal value. A written buyback policy safeguards your gold investment. When you later need a gold loan, having the original invoice and hallmark certificate speeds up the process with lenders.
Hallmark, KDM and 916 Gold: Key Takeaways
Hallmarked gold = certification, KDM gold = an outdated soldering technique, 916 gold = 91.6% purity. These terms describe different attributes, not competing types. For most Indian buyers, hallmarked 916 gold offers the best mix of purity assurance, wearability, and financial flexibility.
FAQs on Hallmarked, KDM and 916 Gold
What is the difference between hallmarked, KDM and 916 gold? Hallmarked gold is BIS-certified jewellery, KDM gold refers to cadmium-soldered jewellery (now discouraged), and 916 gold denotes 91.6% purity, equivalent to 22K. One is a certification, one a process, one a purity measure.
Which is better: hallmarked gold or 916 gold? They aren’t rivals. Hallmarked gold confirms purity; 916 gold states the purity level. The ideal combination is 916 hallmark gold, which assures 22K fineness with BIS certification.
Is KDM gold still available in India? Some jewellers may still sell old KDM jewellery, but IS 1417:2016 requires jewellery alloys to be free from cadmium. Modern jewellery uses safer alloys, and BIS hallmark won’t certify cadmium-soldered pieces.
Is 916 gold pure gold? No. 916 gold contains 91.6% pure gold and 8.4% alloy metals, making it 22 carat gold. Pure 24K gold (99.9%) is too soft for most jewellery.
Why should I buy hallmarked gold jewellery? Hallmarked gold guarantees purity, protects you from fraud, supports higher resale value, and makes your ornament straightforward to present when you apply for a gold loan through Airtel Finance, fulfilled by our lending partner.
Which gold is better for investment? For pure gold investment, hallmarked 24K bullion works best, though bullion cannot be pledged as collateral. If you prefer wearable assets, choose 916 hallmark gold, which delivers assured purity and easier liquidation.
How can I check gold purity before buying? Check for the BIS hallmark and HUID, verify the number on the BIS CARE app, confirm the 22 carat gold purity percentage, and only buy from a licensed jeweller offering an invoice.
Airtel Finance is a facilitator and does not lend. Gold Loans are offered, sanctioned and disbursed by our lending partner, Bajaj Finance, subject to their eligibility criteria, terms and conditions. Loan-to-value limits are governed by prevailing RBI directions.
