Before you buy the ring: questions that separate a good jeweler from a risky one

What to ask, before anything else

Ask exactly what the stone is, natural or lab-grown, and whether it has been treated, and get that in writing on the invoice. Ask for the independent grading report and check that it matches the stone in front of you. Ask what the metal is, what the return and resizing terms are, and who will look after the ring once you own it. A good jeweler answers all of that plainly; vague answers, reluctance to write things down or pressure to decide today are your signal to leave.

I am Adam Bitton, owner of Bitton Diamonds, a family-owned jewelry store in Dallas, and I am on the other side of these questions all the time. I would rather you ask all of them than none. Buyers who ask good questions make better decisions, and they tend to be happier with the ring for the rest of their lives. Here is the full list, grouped so you can work through it at any store.

Questions about the diamond itself

Start with origin. A lab-grown diamond and a natural diamond can look identical, so the only way to know which you are buying is to ask and to see it written down. The FTC's consumer guide suggests asking the seller where the diamond came from and whether they use testing equipment to tell natural stones from lab-created ones. Its advice is blunt: do not assume a stone is a natural diamond just because it looks like one.

Then ask about treatments. According to the FTC, clarity enhancements such as laser drilling and fracture filling lessen a diamond's value, and sellers should tell you when a treatment is not permanent or needs special care. Finally, ask about weight in decimals rather than fractions. The FTC notes that a diamond sold as one-half carat could weigh anywhere from .47 to .54 carat, so the exact decimal on the report is the number that matters.

• Is this stone natural or lab-grown, and will you write that on the invoice?
• Has it been treated in any way, such as laser drilling or fracture filling?
• Which laboratory graded it, and may I see the report before I decide?
• Does the report number match an inscription on the stone's girdle?
• What is the exact carat weight in decimals?
• Can I see it next to two or three alternatives under the same light?

Questions about the setting and the metal

The setting holds a valuable stone on a hand that bumps into things all day, so it deserves its own questions. Ask what the metal is and what karat, and look for the mark inside the band. The FTC advises looking for a company's name or registered trademark next to the karat mark, and it says plainly that if you do not see a trademark with the karat mark, you should not buy the piece. For platinum, the FTC explains that items with at least 95 percent pure platinum can be called platinum without qualification, while lower purities must be described with their actual content.

Ask how many prongs hold the center stone and why that number was chosen for that shape. Pointed shapes such as pear, marquise and princess need their corners protected. Ask whether the ring can be resized later and whether the design makes resizing harder, since bands with stones set all the way around are more complicated. And ask who made the setting and how it will be inspected before you take it home.

Questions about paperwork, returns and the years after

The FTC recommends getting a store's refund and return policies in writing, and making sure your sales paperwork records what the seller told you about the stone's origin, weight, treatments and any special care. If a seller will not put those details in writing, the FTC suggests considering someone else. That is good advice for any purchase of this size.

Ask too what you will receive at pickup: the grading report, a detailed receipt and whatever your insurer will want to see. Ask who handles cleaning, prong checks and resizing, and whether those are done in-house or sent out. If you are ordering remotely, ask how the ring ships and whether it is insured in transit. At my store, orders over $1,000 are insured in shipping at no additional cost, and purchases carry 30-day postage-paid returns.

• Is the return policy in writing, and how does it apply to a custom piece?
• Will the invoice list origin, weight, grades and treatments?
• What documents do I receive at pickup?
• Who handles resizing, cleaning and prong checks after the sale?
• Is the ring insured while it ships to me?

How I handle these questions at my own counter

When you sit down with me, the grading report is on the table before you ask for it, and the invoice states whether the stone is natural or lab-grown. I carry natural, lab-grown and fancy colored diamonds, so if you want to compare them you can see all three side by side rather than taking my word for the difference. If a grade you are considering costs more than it shows, I will tell you so.

Appointments are private and unhurried, which matters more than people think. A buyer who feels rushed stops asking questions, and a buyer who stops asking questions is the one who regrets the ring later. If you want to work through this list with stones in front of you, that is exactly what the appointment is for.

Red flags that should end the conversation

Most jewelers are honest, but the warning signs are consistent when they appear. The FTC's Jewelry Guides caution sellers against using the word diamond for a lab-created stone unless it is immediately preceded by a clear disclosure, and the agency has sent warning letters to companies that did not make that disclosure clearly. If the description you are given is fuzzy on that point, ask again, and walk away if it stays fuzzy.

Pressure is the other pattern. An engagement ring is not a purchase that improves when it is rushed, and a seller who manufactures urgency is protecting the sale rather than your interests. A legitimate price will still be there tomorrow. If you need a night to think, say so, and pay attention to how the request is received.

• The seller will not write the stone's origin, weight or treatments on the invoice
• A significant stone comes with no independent report, or a report that does not match
• A lab-grown stone is described only as a diamond, with the disclosure buried or missing
• You are pushed to decide today because a price expires tonight
• Questions about treatments get a change of subject instead of an answer
• You are not allowed to see the stone outside the showcase lighting

Questions to settle with yourself first

The best appointments happen when the buyer has already answered a few questions privately. What is the real budget, the number you will be comfortable having spent six months from now? Which two or three shapes feel right? Is there a date, and how firm is it? And do you lean toward a natural or a lab-grown stone, or do you genuinely not know yet?

You do not need perfect answers. But arriving with a budget and a shape lets a jeweler show you the right stones in the first ten minutes instead of the last ten. If you are unsure about origin, read my guide on lab-grown versus natural diamonds before you go, and if the budget is the sticking point, my guide on whether custom costs more than a ring from the case explains where the money actually goes.

What good answers sound like

Good answers are specific and a little boring. Ask about origin and you should hear natural or lab-grown, followed by an offer to show you the report. Ask about treatments and you should hear either none detected, as stated on the report, or a clear description of what was done and how it affects care and value. Ask about returns and you should be handed the policy, not told not to worry about it.

Evasive answers sound different. They lean on adjectives instead of facts, they redirect you to a discount, or they repeat sales lines that are not true. I collected the most common of those in my guide to engagement ring myths that cost buyers money. If you hear several in one visit, you have learned what you needed to know about that store.

Bring this list to your appointment

Print it or keep it on your phone, and use it anywhere you shop. A jeweler who welcomes the questions is one you can work with for years, through resizing, cleaning and the anniversary band that comes later. A jeweler who bristles at them has told you something important before you spent a dollar.

If you would like to go through it with me, book a time through my website or call the store. Tell me your budget, your preferred shapes and your date, and I will have stones ready to compare when you arrive. Whether you live in Dallas proper or elsewhere in the metro area, the conversation is the same. For the deeper detail on judging the stone itself, my earlier guide on choosing a diamond without overpaying is a good companion to this list.

Questions people ask me