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Plum

Lab grown diamond rings. Chicago, Illinois. Runs on Shopify Plus.

Plum is a Chicago, Illinois brand selling lab grown diamond rings on Shopify Plus. Its store lists 5,000+ products, mostly rings, jewelry and wedding band, priced from $877 to $4.61K. It employs 11 to 50 people and runs 16 apps from the Shopify App Store across 8 categories. It spends about $7.5K to $10K a month on those apps.

The store

Products listed
5,000+
Counted on the storefront
Typical price
$877 to $4610
Most products fall in this range
Rings2,109Jewelry137Wedding Band88Earrings3

Product types as Plum files them in its own catalogue.

What Plum runs on Shopify

16 apps from the Shopify App Store, across 8 categories.

Email & SMS marketing4Product reviews4Other3Search, upsell & discovery1Affiliates & influencers1Helpdesk1Loyalty, store credit & gift cards1Advertising & analytics1

Estimated app spend: about $7.5K to $10K a month.

Seen running on the storefront:GorgiasInstafeedKlaviyoSwym Back in Stock AlertsTriple WhaleYotpo
See which 16 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 Plum sells

Direct, plumdiamonds.com

Competitors

  1. both lab-grown engagement rings and bands

  2. Hera

    both lab-grown bridal

  3. both lab diamond rings and bands

  4. FIRE & BRILLIANCE

    both custom lab-grown rings

  5. both lab-grown bridal

  6. both ethical lab diamond bridal

  7. both lab diamond rings and colored diamonds

  8. Valley Rose

    both lab diamonds engagement for women

  9. Padis Jewelry

    both lab-grown bridal and loose diamonds

  10. both online engagement rings

how we pick competitors

What apps does Plum use on Shopify?

Plum runs 16 apps from the Shopify App Store across 8 categories: Other, Search, upsell & discovery, Email & SMS marketing, Affiliates & influencers, Helpdesk, Product reviews, Loyalty, store credit & gift cards, Advertising & analytics. Seen running on its storefront: Gorgias, Instafeed, Klaviyo, Swym Back in Stock Alerts, Triple Whale, Yotpo.

Who are Plum's competitors?

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

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