Auctions daily at 8 AM and 8 PM EST ·  Lab and natural ·  Every stone GIA or IGI certified

Loose certified diamonds, mined and grown

Only diamonds.

Certified loose stones shown live under the loupe, natural and lab grown side by side. Set it with us or take it anywhere you like.

Live on TikTok

Every stone is auctioned live.

Nothing sits in a catalog here. Lab and natural go up together, under the loupe, with the grading report on screen and bidding open in chat. Two auctions a day, every day. If you want to see what is in stock, that is where it is.

Next auction

 

Morning
8:00 AM EST
Lab and natural
Evening
8:00 PM EST
Lab and natural

Highest bid in chat when the timer ends takes the stone  ·  @mineandgrown

How it works

Four steps, start to finish

Live selling sounds chaotic until you have done it once. Here is the whole process.

01

Join the auction

Follow the account so you get pushed the moment one opens. Two a day, at 8 AM and 8 PM EST.

02

See it up close

Each stone goes under the loupe on camera with its report number on screen. Ask for any angle you want.

03

Bid in chat

Type your bid. Highest one when the timer ends takes the stone, and a secure payment link goes out right after.

04

It ships insured

Out within one business day, signature required, with thirty days to send it back for any reason.

The diamond guide

Four grades set the price. One sets the sparkle.

Know these before you bid and you will spend your money in the right place.

Cut

How well the stone was proportioned and polished. This is the one you notice from across a room, and nothing that goes up for auction grades below good.

Ideal to good

Color

Graded D through Z, colorless to warm. Judged face down against a white tray, not the way you will ever see it.

G through I is the value

Clarity

The size and position of inclusions inside the stone, viewed at ten times magnification.

VS2 and SI1 look clean

Carat

Weight, not size. Price jumps at every round number because that is where the demand piles up.

Buy just under

Before you bid

Verify any report yourself

Every stone ships with its original GIA or IGI report, and the number is shown on screen during the live. Check it against the laboratory’s own database before you bid. It takes a minute, and it should always match.

Cannot make an auction

Tell me what you are looking for

Send a budget and a shape. I will hold back stones that fit, send the reports and video privately, and explain what actually separates them. If none of them are right, I will tell you.

  • 01You send the budget, shape and timing
  • 02I send a shortlist with full reports, usually within a day
  • 03Twenty minutes on a call to compare them side by side
  • 04It ships insured with thirty days to change your mind
Email me what you want

Never miss an auction

Know when the camera turns on

Two auctions a day, 8 AM and 8 PM Eastern. Join the list and I will send you a note before the lives so you can be there when the bidding opens and see what comes out of the safe that day.

A heads up before the lives, and nothing else. Unsubscribe in one click.

Questions

Good to know before you bid

The short version of how this works and how you are protected. The full detail lives in the policies linked below.

Is a lab grown diamond a real diamond?

Yes. A laboratory grown diamond has the same chemical, physical and optical properties as a mined one, and it is graded on the same scales by the same laboratories. We identify every lab grown stone as lab grown during the live, in the listing and on the invoice, and it ships with a Lab Created Diamond Certificate.

How does the bidding work?

Stones are auctioned live on TikTok at @mineandgrown at 8 AM and 8 PM Eastern. Each stone goes under the loupe on camera with its GIA or IGI report number on screen. Type your bid in the chat, and the highest bid when the timer ends takes the stone. A secure payment link goes out right after through TikTok Shop.

What if I change my mind?

You have thirty days from delivery to send a stone back for any reason, as long as it is unset and comes back with its grading report. Open the return in the TikTok Shop app under your order and an insured, prepaid label is issued. Once a stone is set into a mounting it is no longer returnable.

How is a stone shipped?

Every stone ships fully insured with a signature required, at no cost to you, within one business day. Nothing is ever left at a door. Stones above $1,000 travel by USPS Registered Mail, held in locked containers and signed for at every handoff.

How do I know the stone matches its report?

Every stone is graded by GIA, IGI, AGS or AIG and ships with its original report, matching the listing exactly. You can check the report number on the laboratory’s website before you pay, and every returned stone is re-verified against its report on arrival, including weight, measurements and inscription.

Will you ever ask me to pay outside TikTok Shop?

Never. All payment runs through TikTok Shop, which is what gives you buyer protection, the return window and the refund process. Anyone asking you to pay by direct message, bank transfer or a link outside TikTok Shop is impersonating us. Report it and email [email protected].