Why Does 916 Gold Jewellery Come in Different Shades of Yellow?

Can Genuine 916 Gold Have Different Colours?

Yes. The number “916” means that the gold alloy contains approximately 91.6% pure gold. The remaining approximately 8.4% consists of other metals used to improve strength, workability and appearance.

Manufacturers may use slightly different combinations of metals within that remaining portion. Surface polishing, diamond cutting, matte finishes, two-tone treatments and lighting can also change how the jewellery reflects light.

Therefore, two genuine 916 gold pieces can have the same stated purity while appearing slightly different in colour.

What Does 916 Gold Mean?

Gold purity can be expressed as karatage or fineness. A 916 marking indicates approximately 916 parts of gold per 1,000 parts of metal, equivalent to approximately 91.6% pure gold or 22K gold.

The remaining portion consists of alloying metals. These metals help make the jewellery more suitable for shaping, setting, polishing and regular wear.

The World Gold Council explains that alloying pure gold with other metals can change both its durability and colour. The exact alloy formula can vary between manufacturers while the finished item remains within its stated fineness.

For more information about purity markings, read our Singapore gold buying guide.

1. Different Alloy Formulas Can Produce Different Shades

Pure gold has a naturally rich yellow colour. Because 916 jewellery is not made from 100% pure gold, the metals mixed into the remaining portion can subtly influence its final shade.

Common alloying metals may include silver and copper. The balance between these metals can produce a warmer, lighter or slightly more reddish yellow appearance.

• More copper influence: The jewellery may appear warmer or slightly reddish.
• More silver influence: The yellow may appear slightly lighter or less warm.
• Balanced alloy: The jewellery may retain a more traditional rich-yellow appearance.

This does not mean that a darker or brighter piece is automatically more valuable. Colour alone cannot accurately determine gold purity.

Does darker yellow gold mean higher purity?

Not necessarily. Although high-purity gold usually has a rich yellow appearance, the visible colour also depends on the alloy, surface texture, lighting and surrounding colours.

Never judge whether jewellery is 916 or 999 gold based only on how yellow it appears.

2. Surface Finish Changes How Gold Reflects Light

Two pieces made from similar gold alloy can still look different because their surfaces reflect light differently.

High-polish finish

A smooth, highly polished surface reflects strong highlights and may appear brighter or more mirror-like. Depending on the surroundings, it may also reflect colours from clothing, walls or display surfaces.

Matte or sand-textured finish

A matte surface scatters light instead of producing a sharp reflection. This can make the gold appear softer, lighter or less intensely yellow.

Diamond-cut finish

Diamond-cut patterns create multiple reflective surfaces. The jewellery may flash between bright yellow, pale gold and darker shadows as it moves.

Engraved or patterned finish

Recessed areas naturally appear darker because less direct light reaches them. Raised polished areas may appear much brighter even though the entire item uses the same gold alloy.

Brushed finish

Fine lines created during brushing reduce mirror-like reflections. The result is a more understated colour compared with highly polished jewellery.

Surface finish can therefore create a noticeable visual difference without changing the jewellery’s underlying purity.

3. Jewellery Construction Can Affect Its Appearance

Hollow, solid-construction and layered designs interact with light differently. A wide hollow link may have large reflective surfaces, while a smaller solid link may create deeper shadows.

The shape and thickness of each component also affect how much light is reflected toward the viewer. This can make one bracelet look brighter than another even when both are genuine 916 gold.

Learn more about the difference in our hollow vs solid 916 gold jewellery guide.

4. Lighting Can Make the Same Gold Look Different

Gold colour can change noticeably under different lighting conditions.

• Warm indoor lighting: May make gold appear deeper, richer or more orange.
• Cool white lighting: May make gold appear paler or slightly greener.
• Natural daylight: Often provides a more neutral colour comparison.
• Display-case lighting: Can increase sparkle and emphasise polished surfaces.
• Direct flash: May wash out colour and create strong white reflections.

The background also matters. Gold photographed on black may appear richer, while the same item on a white background may look lighter.

Why online product photos may look different

Camera settings, screen brightness, automatic white balance and photo editing can all affect the colour shown online. Two phones may display the same product photograph differently.

Customers should check the stated purity, weight and product description rather than expecting the screen colour to be an exact match under every lighting condition.

5. Wear, Residue and Polishing Can Change the Appearance

High-purity gold is resistant to ordinary corrosion, but jewellery can still collect oils, soap, perfume, cosmetics and environmental residue. Fine scratches can also reduce the brightness of a polished surface.

Over time, an older piece may appear:

• Less reflective because of fine scratches
• Darker in recessed areas because of trapped residue
• Slightly duller because of soap, lotion or oil
• Different from a newly polished item placed beside it

Professional cleaning or polishing may restore brightness, but repeated aggressive polishing can gradually remove a small amount of surface material. Polishing should be performed only when necessary.

6. Two-Tone and Multi-Tone 916 Gold Jewellery

Two-tone gold jewellery deliberately combines contrasting colours or finishes. A design may use yellow-gold sections together with white-coloured or rose-coloured details.

Depending on the manufacturer and design, the contrasting appearance may be created through:

• Different gold-alloy colours
• Rhodium or other surface plating
• Selective surface finishing
• Contrasting polished and textured sections

On surface-treated designs, the contrasting colour may gradually become less prominent with frequent wear. This does not necessarily mean that the underlying gold has lost its purity.

Check the individual product description to understand how a particular two-tone design was produced.

7. Connecting and Soldered Areas May Look Slightly Different

Some jewellery designs require separate components to be joined. The joining material must be suitable for the gold jewellery and manufacturing process.

Under close inspection, a connecting area may reflect light differently from the surrounding surface. This may be more visible near clasps, hooks, hinges and connecting rings.

A slight difference at a properly finished joint is not automatically evidence of fake gold. However, obvious flaking, cracking, separation or major discolouration should be inspected professionally.

Read our 916 gold jewellery clasp guide to learn what to check around hooks and closures.

What Can Affect the Colour of 916 Gold?

How to Check Whether 916 Gold Is Authentic

Colour can provide a general visual impression, but it is not a reliable purity test. Buyers should consider several forms of verification.

1. Check the hallmark or purity marking

Look for an appropriate 916 or 22K marking. A stamp alone is not an absolute guarantee, but it is an important starting point.

2. Request a proper invoice

The invoice should clearly identify the jewellery, transaction and applicable details. Keep it for future reference, servicing or resale.

3. Check the stated weight

Confirm that the weight shown in the product details and invoice corresponds with the purchased item.

4. Request authenticity documentation

Buy from a retailer that provides clear documentation and stands behind the stated purity of its jewellery.

5. Use professional testing when necessary

X-ray fluorescence testing, commonly called XRF testing, can help analyse metal composition without relying on colour alone. Testing methods and results should be interpreted by trained personnel.

The Singapore Assay Office conducts precious-metal fineness testing based on Singapore Standard SS 581 and provides hallmarking services.

Learn how professional testing is used in our Singapore XRF gold testing and buyback guide.

When Should You Request a Professional Inspection?

Arrange an inspection if you notice:

• Obvious surface flaking
• A dramatically different colour underneath a worn area
• Unexplained dark or green residue that returns after cleaning
• An unclear, altered or suspicious purity marking
• Cracking or separation around a soldered joint
• A major colour difference that cannot be explained by lighting or finish
• A mismatch between the item and its invoice or certificate

These signs do not prove that an item is fake. They indicate that professional assessment may be appropriate.

How to Maintain the Appearance of 916 Gold

1. Wipe the jewellery after wearing it. Use a clean, soft cloth to remove oil, perspiration and cosmetics.
2. Store pieces separately. This reduces scratching between jewellery items.
3. Avoid harsh chemicals. Bleach, strong cleaners and abrasive products can damage surfaces and attached components.
4. Clean plain gold gently. Use lukewarm water, mild soap and a very soft brush, then rinse and dry thoroughly.
5. Handle textured finishes carefully. Aggressive rubbing may alter matte, sanded or diamond-cut surfaces.
6. Request professional advice for special designs. Gemstones, enamel and surface-treated jewellery may require different cleaning methods.

What to Check Before Buying 916 Gold Online

• Purity and hallmark information
• Exact item weight
• Length, width and ring size where applicable
• Whether the item is yellow, rose, white or two-tone
• Surface finish, such as polished, matte or diamond-cut
• Whether photographs were taken under studio lighting
• Invoice, authenticity and after-sales policies

Browse our 916 gold jewellery collection, 916 gold bracelets and 916 gold necklaces to compare different designs and finishes.

Shop Authentic 916 Gold Jewellery in Singapore

Best Gold Shop offers a wide selection of authentic 916 gold rings, bracelets, necklaces, pendants and other jewellery in traditional yellow-gold, diamond-cut and two-tone designs.

Every purchase is supported by a formal tax invoice and digital E-Certificate of Authenticity. Shop online or visit Best Gold Shop at 38 Joo Chiat Road, Singapore, to compare different designs under the same lighting.

Explore our 916 gold jewellery collection

Frequently Asked Questions

Can two genuine 916 gold pieces have different colours?

Yes. Small differences in alloy composition, finish, lighting and condition can make genuine 916 gold pieces appear slightly different.

Does darker yellow gold mean it is more pure?

No. Colour alone cannot accurately determine purity. The alloy, finish and lighting can make gold appear darker or lighter.

Why does my 916 gold look different from the product photograph?

Studio lighting, camera white balance, screen settings and surrounding colours can change how gold appears in a photograph.

Does 916 gold tarnish?

916 gold is resistant to ordinary corrosion because of its high gold content. However, residue, alloy components and surface wear may cause dullness or temporary colour changes.

Can polishing restore the original colour?

Professional cleaning or polishing may restore brightness when dullness is caused by scratches or residue. It will not change the underlying alloy formula.

Is two-tone jewellery still genuine 916 gold?

It can be, but the construction and surface treatment vary by product. Check the stated purity and individual product description.

What is the best way to verify 916 gold?

Check the hallmark, invoice, stated weight and authenticity documentation. Professional testing such as XRF analysis may be used when further verification is required.

Should all items in a matching gold set have exactly the same colour?

Pieces made together with the same alloy and finish should generally appear consistent, but slight differences can still occur because of shape, texture and light reflection.