
Primo Jewelry: Ring Sizer
Jewelry Identifier & Appraisal
About
Instantly identify jewelry and estimate its resale value using AI. Features a precise ring sizer that uses your phone's camera and a bank card for accurate measurements in multiple international sizes.
What's New in Primo Jewelry
1.0.4
September 19, 2026
- New app icon and a cleaner launch screen - Long-press the app icon to open the special offer - Stability and performance improvements
MoreSubscriptions & In-App Purchases
Premium Weekly
Unlimited valuations and market insights
Developer apps
FAQ
What is Primo Jewelry?
Primo Jewelry is an app that uses AI to identify jewelry pieces and estimate their resale value based on real sold prices. It also includes a camera-based ring sizer that provides accurate measurements in US, UK, EU, and JIS sizes.
How does Primo Jewelry estimate jewelry value?
The app analyzes a photo of your jewelry and compares it to recently sold listings on online marketplaces to provide an estimated resale value and a price range. This is based on actual sales, not asking prices.
How accurate is the ring sizer in Primo Jewelry?
The ring sizer uses your phone's camera and a standard bank card for measurement, offering a more precise method than printable strips. It provides your US ring size along with UK, EU, and JIS equivalents.
Can Primo Jewelry identify all types of jewelry?
Yes, Primo Jewelry can identify a wide range of items including rings, necklaces, bracelets, earrings, pendants, brooches, loose gemstones, pearls, diamond jewelry, and watches. It can also read visible hallmarks and stamps.
Does Primo Jewelry require an account?
No, Primo Jewelry does not require an account to use its features. Your photos remain private and are stored locally on your device.
What are the subscription options for Primo Jewelry?
Primo Jewelry offers 'Premium Weekly' for $5.99/week with a 3-day free trial, and 'Premium Yearly' for $39.99/year with a 7-day free trial. These plans likely unlock additional features or remove limitations.
Is Primo Jewelry suitable for professional appraisals?
Primo Jewelry provides estimates for guidance only and is not a certified appraisal or professional ring sizing service. For critical accuracy, it is always recommended to consult with a jeweler.
How often is Primo Jewelry updated?
The latest version of Primo Jewelry is 1.0.4, last updated on September 19, 2026. This indicates regular updates to improve functionality and features.





