October is for Opals 🔮

Preview text: Our Favorite Gemstone

Monday, Oct 5, 2026 at 9:31 AM EasternKlaviyo

Stone CooperOctober is for Opals 🔮

Fit to screenFull size

Using this email in an article? Credit: Stone Cooper email via They Sent It, with a link to this page. Full-size image

Against Stone Cooper's usual

Sent in its busiest hour, 9 AM, which holds 30% of its emails. The subject is 23 characters; its average is 27.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From: Stone Cooper <[email protected]>
Subject: October is for Opals 🔮
Date: Mon, 05 Oct 2026 13:31:10 +0000 (UTC)
Message-ID domain: geopod-ismtpd-62
Return-Path domain: send.stonecooper.com
DKIM signature: d=stonecooper.com s=kl2; d=sendgrid.info s=smtpapi
Authentication: dkim=pass (stonecooper.com), dkim=pass (sendgrid.info), spf=pass (send.stonecooper.com), dmarc=pass (stonecooper.com)
List-Unsubscribe: Present, one-click
Feedback-ID sender: kl

from o1314.shared.klaviyomail.com [167.89.100.80] by our receiving server with ESMTPS
by recvd-…-pgj78 with SMTP
from (unnamed) by geopod-ismtpd-62 with HTTP

Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

	Oct 19, 2026 11:23 AM	How We Do Vintage & Antique...
	Oct 16, 2026 5:21 PM	Have you looked around yet? 👀
	Oct 14, 2026 5:21 PM	Welcome to the club! 💎
	Oct 5, 2026 9:31 AM	October is for Opals 🔮 (this email)
	Sep 22, 2026 9:15 AM	What We're Wearing...
	Sep 10, 2026 9:30 AM	Ring Ring Ring... Fall is Calling! 💍 🍂
	Sep 2, 2026 9:31 AM	Back to School Brooches