$100
OFF
$100 Off Bracelets $50+ at Grown Brilliance
Save $100 on qualifying bracelet purchases of $50 or more at Grown Brilliance with this promo code.
agents@dealhack$fetch the freshest Grown Brilliance codes…
Valid Grown Brilliance Promo Codes for September 2026
✓agent-verified & updated·
Today's Current Grown Brilliance Promo Codes:
15 offers in total$100
OFF
$100 Off Pendants $75+ at Grown Brilliance
Use this code to save $100 on Grown Brilliance pendants when your order totals $75 or more.
$100
OFF
$100 Off Rings at Grown Brilliance
Use this promo code for $100 off on eligible Grown Brilliance rings.
DEAL
Free 1 Ctw Diamond Studs With $2,000+ Purchase
Get a free pair of 1 ctw round lab grown diamond stud earrings in sterling silver (retail value approx. $699) when you spend $2,000 or more before tax and shipping, after discounts.
DEAL
Free Diamond Jewelry with $2,000+ Purchase
Spend $2,000 or more and receive a free 2/5 ctw Round Lab Grown Diamond Double Chain Bracelet valued at $430. Spend $3,500 or more to get the bracelet plus a 5/8 ctw Round Lab Grown Diamond Solitaire Necklace for a combined value of $1,075. This applies to online and in-store purchases after discounts and before taxes and shipping.
$100
OFF
Welcome Offer: Up to $300 Off First Purchase
New customers who join the Grown Brilliance email and/or text Guest List receive a one-time coupon code for $100 off a first purchase of $1,000-$1,999.99, $200 off $2,000-$2,999.99, or $300 off a first purchase of $3,000 or more.
DEAL
GB 365 Best Price Promise All Year
Grown Brilliance guarantees their jewelry is sold at the best price every day of the year with no sales or markup games. This pricing model ensures customers receive competitive pricing year-round without needing promo codes or waiting for discounts.
5%
OFF
Earn 5% GB Cash on Purchases
Members of the GB Club earn 5% of their merchandise price back as GB Cash on every purchase, redeemable on future orders. Referral program offers both referrer and referred friend $125 discounts on qualifying $1,000+ purchases, with no coupon codes required to earn rewards.
DEAL
Ongoing Heroes Rewards Savings on Future Orders
After using their initial Heroes Rewards coupon, eligible community heroes continue to receive an automatic discount on subsequent Grown Brilliance orders when checking out with their verified email address.
10%
OFF
10% Off Heroes Rewards for Eligible Professionals
Verified U.S. military members, first responders, medical professionals, teachers, and other eligible heroes can receive a unique one-time coupon code for 10% off their first Grown Brilliance order after SheerID verification.
$100
OFF
Welcome Offer: Up to $300 Off First Order
New customers who join the Grown Brilliance email and/or text Guest List get a unique, one-time coupon code for $100 off a first purchase of $1,000-$1,999.99, $200 off $2,000-$2,999.99, or $300 off a first purchase of $3,000 or more within 30 days.
$125
OFF
$125 Off Referral Offer for New Customers
New customers referred through the GB Club program receive a personalized coupon code for $125 off their first Grown Brilliance purchase of $1,000 or more, valid for 30 days from send.
DEAL
Free UPS 2nd Day Air Shipping on All U.S. Orders
Enjoy free UPS 2nd Day Air shipping on all Grown Brilliance orders shipped to U.S. addresses. Signature is required for delivery, and expedited options such as UPS Next Day Air are available at an additional cost.
DEAL
Free 1 Ctw Diamond Studs With $2,000+ Purchase
Receive a free pair of 1 ctw round lab grown diamond stud earrings in sterling silver (retail value about $699) when you spend $2,000 or more before taxes and shipping, after any discounts.
10%
OFF
Get 10% Off Select Items with Grown Brilliance Coupon Code
Redeem This Grown Brilliance Coupon Code for 10% Off Select Items on Any Order
Grown Brilliance Shopping Info
Discounts
✓
Popup/Newsletter
Get up to $100 off your first order when you subscribe
✓
Loyalty
Heroes Rewards
✓
Military, First Responders, Healthcare Workers & Teachers
10% off · SheerID
Shipping & Returns
✓
Free Shipping
Threshold: $0
✓
Intl Shipping
Shipped via FedEx International Economy with DDP (Delivered Duty Paid).
✓
Free Returns
Window: 30 days · Fee: Free
Final Sale
High Jewelry items, Special Orders, and Truly Custom items are returnable for store credit only.
Payments
Cards
Visa, Mastercard, Discover, American Express
Wallets
Apple Pay, Google Pay, PayPal, Venmo
BNPL
Affirm, Katapult
✓
Gift Cards
When Grown Brilliance Runs Sales
Recurring events worth timing an order around. Windows shift year to year, so treat them as a shopping calendar rather than a fixed date.
- late NovemberBlack Friday & Cyber Monday Event
Offers sitewide price reductions and exclusive gift-with-purchase tier sets across popular diamond tennis bracelets and stud earrings.
- early to mid JanuaryNew Year Sparkle Event
Features special promotional pricing on selected fine jewelry collections and engagement ring settings to kick off the new year.
- SeptemberBrand Anniversary Celebration
Marks the company founding anniversary with limited-time voucher codes and special discounts for newsletter subscribers.
Locate the Code Box at grownbrilliance.com
The agents tested the code. Entering it is the one part we leave to you — here's exactly where the Grown Brilliance promo code goes at checkout.
Follow the shopper-submitted screenshots below to spot the Grown Brilliance promo box and apply your code. Miss a step and even a working code does nothing — so the agents mapped every one for you.
How to find
- 1.Go to grownbrilliance.com
- 2.Select any jewelry item and add it to the bag
- 3.Navigate to the cart page
- 4.Find the Coupon Code input field in the Order Summary on the right side of the page
How to use
Enter your code in the \"Enter coupon code\" field within the Order Summary and click the \"Apply\" button.
When Do New Grown Brilliance Deals Drop?
Our agents log every new Grown Brilliance promo code and deal the day it goes live, and record what the working ones took off a real cart. Here's how many landed each month over the past year, how deep the discounts ran, and when it pays to wait.
New Grown Brilliance offers per month
busiestavg 1/mo
2
0
0
2
0
0
0
0
1
0
2
| Month | New offers |
|---|---|
| 2 | |
| 0 | |
| 0 | |
| 2 | |
| 0 | |
| 0 | |
| 0 | |
| 0 | |
| 1 | |
| 0 | |
| 2 |
- Busiest months
- Jan / Aug
- 2 offers each · +1 more
- Monthly average
- 1
- new offers
- Quietest month
- Nov
- 0 offers
Before You Buy at Grown Brilliance
What shoppers ask most about Grown Brilliance.
›Are there any exclusions where promo codes cannot be applied?
Standard promotional codes never apply to accident protection plans, select high jewelry collections, or already discounted clearance items.
›Can I use multiple coupon codes or combine offers on a single order?
No, promotional codes cannot be combined with any other offers, site-wide promotions, or applied retroactively to prior purchases.
›How does the verification process work for the Heroes Rewards program?
Eligible military, healthcare workers, teachers, and first responders verify their status through SheerID to receive a single-use 10% discount code.
›What happens if I forget to include the diamond certificate in my return?
Returns missing the original lab-grown diamond certificate card are subject to a mandatory $100 replacement fee withheld from the final refund.
How the Agents Verify Grown Brilliance Codes
agents@dealhack: ~/verify --store grownbrilliance.com
✓4 Grown Brilliance promo codes tested against a live cart
✓5 total offers cleared for redemption at grownbrilliance.com
✓last sweep completed
✓expired & dead codes purged automatically
The agents re-test every Grown Brilliance coupon on a schedule — no human vouches for a code they didn't watch work. If one slips through expired, just grab the next on the list. We keep backups.
Help Other Grown Brilliance Shoppers
Not every Grown Brilliance code reaches us from the store. 4 codes on this page were first submitted by shoppers. Wherever a code comes from, it still has to pass the same cart test before it goes up here.
Have a code we missed?
Send it over and the agents will run it through a real grownbrilliance.com cart. If it works, it lands here with the test behind it.
Did a code work for you?
Open any Grown Brilliance code above and tell us whether it worked. It takes one tap, no sign-up, and a code that keeps failing gets pulled off the page.
Rate a codeGrown Brilliance Customer Support
Need help with your shopping? Here's what's available for Grown Brilliance when an order, return, or promo code needs a human.
Phone
Live chat
Available
Help center
About Grown Brilliance
Who you're buying from.
Did You Know
Founding
Grown Brilliance was established in New York in 2021 as a digital-first fine jewelry pioneer focusing entirely on lab-grown diamonds.
Origin Story
The company was founded by Akshie Jhaveri, a third-generation jeweler aiming to introduce a transparent, design-led alternative to mined stones.
Sustainability
Grown Brilliance specializes in 100% conflict-free lab-grown diamonds paired with carbon-neutral operations and recycled precious metals.
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