Know what it’s
actually worth.
Trove values every piece in your collection against the real market, every single day. Privately, on your iPhone.
Free for up to ten pieces. No ads, no tracking, no data sold.
Everything, at a glance.
Your whole collection, valued and summed the moment you open the app.

Every piece, beautifully kept.
Jewelry, bullion, coins, and stones, each with the fields that fit.

The whole market, explored.
The Glass Box Index, live metals, the diamond market, and the daily brief.

See how it’s grown.
Real return, break-even, and how you stack up against gold and the market.

Three taps from shoebox to portfolio.
- 01
Add a piece
Snap a photo, pick the type, and drop in the carats or weight. Two minutes for your first.
- 02
Trove values it
Each piece is priced against live metal and diamond markets, refreshed every day.
- 03
Watch it like a portfolio
A daily brief, real returns, and alerts the moment something moves.
For anyone who owns more than they can value.
Collectors
See your whole collection valued like a portfolio, and watch it move with the market.
Inherited a piece
Finally know what that ring or necklace is actually worth, without a trip to a dealer.
Insuring or settling
Defensible, sourced numbers for insurance, estates, and peace of mind.
Buying or selling
Check any asking price against the real market band before you commit.
Not guesses. Sources.
Our own Glass Box Index for diamonds and colored stones, net-weight metal valuation at live spot, and a daily diamond matrix. Every value names where it came from.
Your collection is nobody’s business but yours.
No ads, no ad identifiers, no behavioral tracking, ever. Your collection is never sold, rented, or shared. Export it to CSV in one tap, or delete it instantly and irreversibly.
- No ads, ever
- Never sold or shared
- Row-level security
- One-tap CSV export
- Delete instantly
Everything you might ask.
Is it really free?
Yes. Trove is free for up to ten pieces, with no card required. Trove Pro is $9.99 a month or $99.99 a year for unlimited pieces and the full toolkit.
How accurate are the values?
Metals are priced at live spot by net weight. Diamonds come from a daily market matrix of color and clarity. Colored stones use your appraisal or our coverage. Every value names where it came from, so nothing is a silent guess.
Is my data private?
Completely. No ads, no ad identifiers, no behavioral tracking, and your collection is never sold or shared. Row-level security means only you can read it, and you can export to CSV or delete everything in one tap.
Do I need an account?
Yes, so your collection syncs securely and only to you. Sign in with Apple, Google, or email. It takes seconds.
What can I add?
Jewelry, watches, bullion, coins, and loose stones, each with the fields that fit, photos, storage location, and a full event history.
What does Pro add?
Unlimited pieces, Performance Pro analytics (real return, break-even, benchmarks, attribution), your personal daily brief, full Atlas depth and the diamond terminal, every chart range, unlimited alerts, CSV export, and accent themes.
Which devices?
iPhone, on iOS 17 or later.
Free to keep ten pieces.
$9.99 a month for everything.
- Up to 10 pieces
- Live prices and basic estimates
- Deal checker and the daily market brief
- Full Atlas reference library
- Light and dark themes
- Unlimited pieces
- Performance Pro: real return, break-even, benchmarks, attribution
- Your personal daily brief, written from your pieces
- Full Atlas depth and the diamond market terminal
- All chart ranges and portfolio scopes
- Unlimited alerts, CSV export, accent themes
Subscriptions are billed through the App Store. Cancel anytime.
Most people have no idea what their jewelry is worth, and for a long time the only way to find out meant trusting whoever was buying. We thought that was backwards. Trove puts the number in your pocket, refreshes it every day against the real market, and keeps it answerable to you alone. No ads, no tracking, nothing sold. Just your collection, valued honestly.
Open your Trove.
Free to download, with up to ten pieces included. Your first valuation takes about two minutes.