Licensed Diamond Jewelry Buyers in Lawndale Since 1980

Sell Diamond Jewelry in Los Angeles for Cash

A diamond has no posted price, so every way of selling one is really a choice of who names the number. At our Lawndale counter, diamond jewelry buyers name it with your piece in hand and pay before you leave.

Paid Before You Leave Diamonds Graded in Front of You No Commission Taken From Your Offer 45+ Years Buying Jewelry in Los Angeles Licensed California Dealer Since 1980 Walk-Ins Always Welcome
Who Names the Number

Where to Sell Diamond Jewelry in Los Angeles

When you sell diamond jewelry in Los Angeles, the first surprise is that nobody can look up the price. Gold has a published market figure every minute of the trading day. A diamond has none. Its value is a judgment about one particular stone, made by someone who buys stones for a living, so every way of selling diamond jewelry is really a choice of who makes that judgment, and when.

Follow any route far enough and it ends in the same place: a trade buyer. An online auction has you ship your ring away and lets professional dealers bid on it. An auction house estimates your piece from photographs and offers it to collectors at a scheduled sale. A downtown diamond buyer quotes a range, then inspects the stone later. Every step between you and that final buyer adds time, and usually a commission taken out of the result.

Our Lawndale counter shortens the route. A buyer names the number with your piece on the tray in front of you, and if you accept, you are paid before you leave. We are honest about the exception: an important signed jewel or a rare stone with collector demand can earn its commission at a major auction. For the engagement rings, tennis bracelets and stud earrings that fill most jewelry boxes, the trade is the market either way, and meeting it directly means nothing is deducted between the offer and your hand.

Diamonds rarely arrive alone, so the same visit covers the setting. We pay for the gold jewelry a stone sits in, the platinum settings common in bridal pieces, and signed designer work through our luxury jewelry buyers. Sellers drive in from Torrance, Redondo Beach, Manhattan Beach and across the South Bay.

Visit Our Lawndale Counter

Diamond Jewelry Buyers Near Me in Lawndale

South Bay Coin

Address 16916 Hawthorne Blvd, Lawndale, CA 90260
Get Directions to South Bay Coin (opens in a new tab)
Text a Photo (310) 363-2697
Hours Mon-Fri: 10 AM - 5 PM
Sat: 10 AM - 3 PM
Sun: Closed
Areas We Serve Torrance, Redondo Beach, Manhattan Beach, Hermosa Beach, Hawthorne, El Segundo, Inglewood, Gardena, Carson, Palos Verdes, Long Beach, Compton, Lomita, Rolling Hills, and all of Los Angeles County.
What the Trade Pays For

How Much Is My Diamond Jewelry Worth?

A diamond is worth what the next buyer in the trade will pay for it, and the trade prices a stone on a short list of facts: its shape and carat weight, its color and clarity grades, and how well it is cut. Two stones that look alike across a dinner table can sit far apart on those grades, which is why an honest offer on diamond jewelry starts with the stone under magnification, not with a glance at the sparkle.

Then comes the part most sellers never hear about: condition. A diamond is the hardest natural material, but it is not unbreakable. Years of daily wear can chip its thin outer edge, called the girdle, or nick an exposed corner beside a prong. A chip does not change what the stone is, but it changes what the next owner has to do with it. The fix is repolishing, and repolishing removes weight. For a stone that sits just above a whole or half carat, losing a sliver of weight can move it below a size the trade pays a premium for.

So we tell you what we see. If a stone is chipped, abraded or loose in a worn prong, you hear it before any offer, and you look at it under magnification yourself. Most diamond jewelry in Los Angeles was bought to be worn every day, and a buyer who prices that wear without showing it to you is asking you to trust a number you cannot check.

The Paper and the Stone

Do You Need a GIA Certificate to Sell a Diamond?

No. Most diamond jewelry has never been near a grading laboratory, and it changes hands every day. A lab report from GIA or another major lab does help. It records the stone's measured grades, and many reports also note a serial number laser-inscribed on the girdle, so the stone and the paper can be matched to each other at the counter.

A report describes the stone on the day it was graded, not today. If the diamond has been worn for fifteen years since, we check it against the report rather than treating the paper as the answer. Without a report, we grade the stone in hand and tell you the range we are working from. For a large stone with no paper, we will say plainly when an independent lab report is worth ordering before you sell anywhere, including here.

What We Buy

Diamond Jewelry We Buy for Cash in LA

We buy diamond jewelry set in white, yellow or rose gold and in platinum, with or without paperwork, from a single stud to a full estate box.

Sell Diamond Engagement Rings

Solitaires, halos, three-stone rings and bridal sets. The center stone is graded in hand, and the band and mounting are paid for their gold or platinum.

Sell Diamond Tennis Bracelets and Necklaces

Line bracelets, riviera necklaces and diamond-set chains, checked stone by stone for chips, loose settings and missing diamonds before any offer is made.

Sell Diamond Earrings and Pendants

Stud earrings, drops, diamond hoops and solitaire pendants, including older pieces with worn backs or clasps, each evaluated for its stones and its setting.

Sell Loose Diamonds

Loose stones with or without a GIA or other lab report, including diamonds taken out of old settings. Bring any paperwork you have and we match it to the stone.

One Visit, Start to Finish

How to Sell Diamond Jewelry in One Visit

1

Bring Your Diamond Jewelry and Any Report

Walk into 16916 Hawthorne Blvd in Lawndale with no appointment. Bring photo ID and any grading report or original box, or text photos to (310) 363-2697 first.

2

Watch Your Diamonds Graded in Hand

We examine each stone under magnification with you at the counter, name any chips or wear out loud, and confirm the gold or platinum in the setting.

3

Accept Your Diamond Offer and Get Paid Today

Say yes and you are paid before you leave, by cash or check. Say no and your piece goes home with you, exactly as it arrived.

Four Routes to the Same Buyer

Local Diamond Buyer vs Online Auction vs Auction House

Every route out of a jewelry box ends with a trade buyer, and this table shows how each one gets you there. Look first at the two rows where our own column says No: some pieces really are better served by a room full of bidders.

How selling diamond jewelry at South Bay Coin compares with online diamond auctions, auction house consignment and downtown diamond buyers
Feature South Bay Coin Online Diamond Auctions Auction House Consignment Downtown Diamond Buyers
Names a price with the piece in front of you Yes No No Varies
Piece stays in your sight until you accept Yes No No Varies
Paid the same visit Yes No No Varies
No commission deducted from your price Yes No No Yes
Walk in with no appointment Yes Ship it in No Often by appointment
Offers your piece to many competing bidders No Yes Yes No
Reaches international collectors for important signed jewels No Varies Yes No
Buys gold and platinum pieces with no diamonds Yes No Varies Varies
Licensed California dealer with a storefront since 1980 Yes Varies Varies Varies
Client Reviews

What Sellers Say About Our Diamond Jewelry Buyers

5.0 out of 5 stars
400+ Google Reviews
Rated 5 out of 5 stars

"Best place to sell gold in Los Angeles. I went to three other buyers in the South Bay. South Bay Coin offered significantly more."

Diane S. · Torrance, CA
Rated 5 out of 5 stars

"Very honest and trustworthy. Sold my gold jewelry and a Rolex here. Got paid cash on the spot, way more than I expected."

Erik H. · Redondo Beach, CA
Rated 5 out of 5 stars

"We called 10 places and South Bay Coin paid the most. Highly recommend."

G.D. · Hawthorne, CA
Rated 5 out of 5 stars

"They offered THE BEST price for my gold jewelry. If you have gold to sell, this is the best place for you."

Samrawit G. · Los Angeles, CA
Proud Members & Affiliations
GIA IWJG JBT NAWCC
Frequently Asked Questions

Selling Diamond Jewelry Questions, Answered

Where can I sell diamond jewelry in Los Angeles?

You can sell diamond jewelry in Los Angeles at South Bay Coin, 16916 Hawthorne Blvd in Lawndale, open Monday to Friday 10 AM to 5 PM and Saturday 10 AM to 3 PM. No appointment is needed. A buyer examines each stone with you at the counter, names an offer, and pays you before you leave.

How much is my diamond ring worth?

It depends on the center stone's shape, carat weight, color, clarity and cut, on the condition it is in after years of wear, and on the gold or platinum in the ring. None of that can be settled with certainty from a photo, so we examine the ring in hand and explain the number before you decide.

Is it better to sell a diamond at auction or to a local buyer?

Auction suits an exceptional stone or an important signed jewel, where collectors may compete and the wait and commission can pay for themselves. For most engagement rings, bracelets and studs, the bidders are trade buyers anyway. A local buyer names a price in person, deducts no commission, and pays you the same visit.

Do I need a GIA certificate to sell my diamond?

No. Most diamond jewelry has no lab report and sells without one. A GIA report helps because it records the stone's measured grades and often a laser inscription that ties the paper to the stone. We still check any report against the diamond itself, because wear that happened after grading is not on the paper.

Do you buy lab-grown diamonds?

We identify whether a stone is natural or lab-grown before any offer and tell you which it is. Lab-grown diamonds trade in a much softer resale market than natural stones, so we explain plainly what that means for your piece. The gold or platinum setting is paid for its metal either way.

Do I need an appointment to sell diamond jewelry in Los Angeles?

No. Walk in during business hours and a buyer will see you at the counter. Many downtown diamond buyers work by appointment, and online platforms ask you to ship first. If you are driving in from Torrance, Redondo Beach or farther across Los Angeles, a quick call to (310) 363-7808 lets us expect you.

What should I bring when I sell a diamond ring?

Bring a valid photo ID and the ring itself, plus anything that came with it: a GIA or other lab report, the original box, or the paperwork from the jeweler who made it. None of the extras are required to sell, but a lab report can shorten the conversation about the stone and help confirm its grades.

Does a chipped diamond lose value?

Usually, yes. A chip does not change what the stone is, but the next owner has to repolish it, and repolishing removes weight. For a stone sitting just above a whole or half carat, that can drop it below a size the trade pays more for. We show you any chip under magnification before we price it.

How can I tell if my diamond is real?

At home you cannot tell reliably. Fog tests and glass scratch tests mislead, and scratching can damage the stone you are hoping to sell. Bring it to our Lawndale counter and we will confirm, free and with you watching, whether it is a natural diamond, a lab-grown diamond, or a simulant such as moissanite or cubic zirconia.

Do you pay for the gold or platinum setting on a diamond ring?

Yes. A diamond ring, bracelet or pendant is also a piece of precious metal, and the setting is paid for its gold or platinum content alongside the stones. Even when a diamond turns out to be small, chipped or lab-grown, the 14K, 18K or platinum it sits in still carries its own value.

Ready to Sell Your Diamond Jewelry?

Walk into our Lawndale counter with no appointment, or text photos for a first look. We grade your diamonds in front of you and pay before you leave.