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Stienhardt

Lab-grown diamond rings, earrings, bracelets, and jewelry. New York, New York.

Stienhardt is a New York, New York brand selling lab-grown diamond rings, earrings, bracelets, and jewelry on Shopify. Its store lists 5,000+ products, mostly diamond and ring, priced from $483 to $4.48K. It sells direct and through retail. It employs 1 to 10 people and runs 14 apps from the Shopify App Store across 6 categories. It spends about $3.5K to $4K a month on those apps.

The store

Products listed
5,000+
Counted on the storefront
Typical price
$483 to $4484
Most products fall in this range
Diamond4,989Ring11

Product types as Stienhardt files them in its own catalogue.

What Stienhardt runs on Shopify

14 apps from the Shopify App Store, across 6 categories.

Other7Email & SMS marketing3Helpdesk1Product reviews1Search, upsell & discovery1Shipping, returns & order tracking1

Estimated app spend: about $3.5K to $4K a month.

Seen running on the storefront:Affirm pay‑over‑time messagingJudge.me Product Reviews AppKlaviyo
See which 14 apps, and when each was added.sign in →

Counted from the Shopify App Store. A name shows only for an app our own visit to the storefront saw running, or to signed-in members. how we count.

Where Stienhardt sells

Direct, stienhardt.comRetail

Competitors

  1. both sell ethical lab-grown diamond engagement rings and bands

  2. both sell lab diamond engagement rings and loose stones

  3. Hera

    both sell lab-grown engagement rings and bands

  4. both sell lab-grown diamond engagement rings and bands

  5. FIRE & BRILLIANCE

    both sell lab diamonds and custom engagement rings

  6. both sell lab grown diamonds and loose stones for rings

  7. both sell lab-grown diamond rings and bands

  8. both sell ethical lab diamond engagement rings

  9. both sell loose lab diamonds and handmade rings

  10. Robert Irwin Jewelers

    both sell lab-grown diamond engagement rings

how we pick competitors

What apps does Stienhardt use on Shopify?

Stienhardt runs 14 apps from the Shopify App Store across 6 categories: Other, Helpdesk, Product reviews, Email & SMS marketing, Search, upsell & discovery, Shipping, returns & order tracking. Seen running on its storefront: Affirm pay‑over‑time messaging, Judge.me Product Reviews App, Klaviyo.

Who are Stienhardt's competitors?

The Shopify brands closest to Stienhardt are MiaDonna, Plum, Hera, Frank Darling and FIRE & BRILLIANCE.

Updated 2026-10-22. Method notes and every source: how we count →