Precautions for purchasing diamond rings online

Buying diamond rings online is favored for its convenience and price advantage, but it should be done with caution. The following are the key points to note and a guide to avoid pitfalls:

First, core points to note

Diamond quality and certificates

Certificate authority

Give priority to choosing diamonds with GIA (Gemological Institute of America) or NGTC (National Gemstone and Jewelry Quality Supervision and Inspection Center) certificates to avoid the risk of "certificate fraud".

For diamonds marked "GIA 12345678", their authenticity can be verified by entering the certificate number on the official website.

4C parameter details

Cut: Be sure to choose 3EX (perfect cut), which directly affects the fire of the diamond.

Color and clarity:

Color: G-H color (nearly colorless) has a high cost performance, while D-F color (colorless) is more expensive.

Clarity: VS2 and above have no visible defects to the naked eye. SI1 should be chosen with caution (it may contain visible defects to the naked eye).

Fluorescence: Try to avoid strongly fluorescent diamonds as they may affect the transparency of the diamond.

2. Merchant reputation and after-sales service

Brand endorsement

Choose well-known brands (such as Blue Nile, Diamond Bird) or flagship stores on Tmall/JD.com to reduce risks.

Avoid individual sellers or "micro-businesses" without physical stores.

After-sales service

Confirm whether lifetime free cleaning and maintenance are provided.

Understand the return and exchange policies (such as 7-day no-reason return and exchange, 15-day circle change service).

Warranty period: At least 1 year, covering issues such as diamond detachment and ring setting deformation.

3. Material and craftsmanship of the ring setting

Material selection

Platinum (PT950) : High purity, not prone to fading, suitable for people prone to allergies.

18K gold (white/yellow/rose gold) : High hardness, rich colors, and better cost performance.

Avoid choosing "gold-plated" or "gold-encased" materials as they are prone to color fading.

Process details

Setting method: Six-prong setting is more secure, while four-prong setting makes the diamond look more prominent.

The thickness of the ring arm: A thin ring arm looks exquisite, but it is necessary to confirm whether it is prone to deformation.

Second, a guide to avoiding pitfalls

Beware of low-price traps

Case: A certain merchant priced a 1-carat D-color VS1 with a clarity of only 10,000 yuan, which is far lower than the market price.

Analysis: It might be a "milk coffee green" diamond (with a dull color), a low cut grade, or a fake certificate.

Suggestion: Compare the prices of multiple stores. Be cautious if they are more than 30% lower than the market price.

2. Risks of purchasing diamonds through live streaming

Common trick: The streamer shines strong light on the diamond to exaggerate the fire effect, but the actual effect after receiving it varies greatly.

Response: Request videos or pictures taken under natural light and ask for the certificate number for verification.

3. Dimensional measurement

Method:

Free finger size measurement at offline jewelry stores.

Purchase a size measurement tool online (about 10 yuan), or measure the length by winding a thin string around your finger once.

Note: Fingers are slightly thicker in summer and thinner in winter. It is recommended to choose a merchant that offers free circle modification.

Third, suggestions for the online purchasing process

Demand confirmation

Budget range (such as 10,000-30,000).

Diamond parameter preferences (such as 50 points, H color, VS2 clarity, 3EX cut).

Ring setting styles (classic six-prong, set, twisted arm, etc.).

Merchant screening

Compare 3 to 5 brands and check the user reviews and negative reviews.

Give priority to choosing merchants that offer 3D modeling diagrams or AR try-on services.

Order Placement and Certificate

Confirm the receipt of the original diamond certificate (not a copy) and the brand quality guarantee policy.

The merchant is required to provide a laser waist size photo (consistent with the certificate number).

Receiving and inspecting the goods

When signing for the item in person, check if the diamond is loose and if there are any scratches on the ring setting.

Use a magnifying glass (10x or more) to check if the certificate number matches the diamond waist size.

Fourth, Summary

When purchasing a diamond ring online, there are "three looks and one check" :

Check the certificate (authority), the parameters (4C details), the after-sales service (return and exchange policy), and the reviews (real user feedback).

By doing your homework in advance and choosing a legitimate channel, you can not only enjoy the convenience of online diamond purchase but also ensure quality and rights.