💎
Gem Valuer & eBay Lister
Input gemstone → live comps & value → collection → auto listing draft to your eBay shop.
Funds‑first
Zero‑touch listing
Trust badges
Connect eBay account
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We’ll request permission to create and update listings in your shop. You can revoke access anytime in eBay settings.
Enter gemstone details
Type • Shape • Size • Carat • Treatment • Origin
Type
Sapphire
Ruby
Emerald
Spinel
Tourmaline
Aquamarine
Amethyst
Alexandrite
Topaz
Garnet
Shape
Oval
Round
Pear
Emerald cut
Cushion
Princess
Marquise
Heart
Trillion
Size (mm)
Carat weight
Treatment
Any
Untreated
Heated
Oiled
Origin (optional)
Get live comps & value ⚡
Clear
We auto‑filter lots and unverifiable sizes. Enter exact mm for better comps.
Valuation snapshot
Median per carat
$—
IQR per carat
$—
Trimmed mean
$—
Valid comps
—
Confidence
—
Sold date
Per carat (USD)
Total (USD)
Size / Carat
Shape / Type
Source
Run a valuation to load comps…
Outliers removed using IQR. Single‑stone comps only.
Suggested price (total)
Listing title (auto‑generated)
Description (auto‑generated)
Image prompt (optional, for your workflow)
Add to collection
Create eBay listing draft
You can edit the title and description before creating the draft.
Collection library
Manage stones
Batch list to eBay
Your saved stones will appear here with valuation, title, and listing status.
Batch create eBay drafts
Export CSV