Rare Carat

Rare Carat

Managed online marketplace for diamonds

Overview

Rare Carat is a US-based online diamond retailer that operates as a managed marketplace, directly selling diamonds and jewelry while coordinating payment, shipping, and customer service. It started as an AI-powered price comparison engine (the 'Kayak for diamonds') and shifted in 2021 to a direct-sales model that connects buyers with vetted wholesalers to reduce markups. The catalog includes natural and lab-grown diamonds, purchasable loose or set into rings, bands, and earrings, with GIA graduate gemologists offering unbiased guidance and every diamond certified by GIA, IGI, or GCAL. Customer protections include 360° diamond videos, a 30-day returns policy, free insured shipping, a one-year resizing service, and financing through TD Bank.

Significant Headcount Growth

About Rare Carat

Simplify's Rating
Why Rare Carat is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Data & Analytics

Consumer Software

Financial Services

Consumer Goods

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

New York City, New York

Founded

2016

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Simplify's Take

What believers are saying

  • Forbes ranked Rare Carat among 2026's best startup employers, supporting hiring credibility.
  • December 2025 Siriano collaboration boosted luxury gifting demand and exclusive assortment breadth.
  • Affirm, PayPal, Katapult, and wires reduce checkout friction for high-ticket purchases.

What critics are saying

  • March 2025 Battle v. Rare Carat class action targets website accessibility compliance.
  • Lab-grown diamonds commoditize pricing, squeezing Rare Carat's margins against Blue Nile and Signet.
  • If organic traffic weakens, Rare Carat loses its cheapest acquisition channel and growth engine.

What makes Rare Carat unique

  • Rare Carat owns checkout, logistics, and service, unlike pure diamond comparison sites.
  • Christian Siriano launched exclusive bridal and fine jewelry collections on Rare Carat in 2025.
  • GIA graduate gemologists and transparent pricing build trust in a historically opaque category.

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Benefits

Remote Work Options

Flexible Work Hours

Growth & Insights and Company News

Headcount

6 month growth

26%

1 year growth

26%

2 year growth

26%
PR Newswire
Sep 2nd, 2025
Rare Carat Rated America's Number One Jeweler on Trustpilot

Rare Carat has been rated the #1 best Jeweler in the USA by reviewers on Trustpilot for the second consecutive year.

SHEEN Magazine
Feb 15th, 2024
South Carolina is the No. 36 least Expensive State for Engagement Rings This Valentine's Day

Rare Carat - an online diamond marketplace - today released a study on the Most & Least Expensive States for Engagement Rings after analyzing purchases from 22 million users.

Vents Magazine
Jan 30th, 2024
Is Rare Carat the Biggest Diamond Retailer Out There?

Rare Carat has made waves in the diamond industry, earning a reputation as the "Kayak of Diamonds" for its innovative approach to diamond retailing.

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