CODE
Verified Top PickThe announcement bar at gemonediamond.com reads 'Black Diamond 25% Off' and prints a code to enter at checkout. The shop's black diamond range covers rings, earrings, pendants and loose stones. The site states no end date and no minimum spend for it.
Limited Time Offer
Halloween
VerifiedGemone Diamond's Halloween page carries a 'Limited Halloween Privilege' banner: 25% off all Halloween creations with the code printed there. The page is headed 'Halloween Jewelry Sale' and its edit includes black diamond rings and skull and spider web pendants. The shop prints no end date, so this card is set to run until 31 October.
Expires: Oct 31, 2026
1st
VerifiedNew customers get 10% off their first purchase at Gemone Diamond with the code shown in the bar at the top of the site. No minimum spend or end date is printed with it.
Limited Time Offer
$999+
VerifiedGemone Diamond adds free studs to orders above $999, as its announcement bar states. No code is printed for the gift and the site gives no end date.
Limited Time Offer
Worldwide
VerifiedThe shipping policy states that free worldwide shipping is available on fine jewelry, with no order minimum given. International duties and taxes, where they apply, are the customer's responsibility.
Limited Time Offer
Price
VerifiedExpress shipping at Gemone Diamond is charged as an extra fee of $60 to $80, depending on the order and the destination. Standard shipping on fine jewelry carries no charge.
Limited Time Offer
Price
VerifiedGemone Diamond lists IGI certified lab grown diamonds on eligible products. Its FAQ says a digital certificate carries no extra charge, while a physical certificate is provided for an extra $80.
Limited Time Offer
Returns
VerifiedGemone Diamond accepts jewelry back within 30 days from the shipment date. It must be unworn, with original tags, packaging, paperwork and sales receipt. Special orders and custom items are non-refundable, and the customer pays return postage and insurance unless an item was supplied in error.
Limited Time Offer
Cancel
VerifiedOrders at Gemone Diamond can be cancelled within 48 hours of being placed. After 48 hours a 12% cancellation charge applies. Orders that have shipped and custom items cannot be cancelled.
Limited Time Offer
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Extra codes from partner brands, refreshed alongside this store's offers.
A practical savings guide for shoppers using Gemone Diamonds Official offers.
Gemone Diamond prints its codes on its own site. The bar at the top of gemonediamond.com shows a code for 25% off black diamond pieces and a second code for 10% off a first purchase. The shop's Halloween page adds a third: 25% off all Halloween creations under the banner 'Limited Halloween Privilege'. The site gives no end date for any of them, and it does not say whether two codes can be used on one order.
The range covers lab grown diamond engagement rings, black diamond rings, colored diamond rings, eternity and wedding bands, men's wedding rings, earrings, bracelets, pendants, necklaces and hip hop jewelry, along with loose lab grown, black and salt and pepper diamonds. Pieces on the home page on 14 October 2026 included a three stone ring at $610.13, a bezel set bracelet at $593.37 and a cluster necklace in white gold at $1,283.00.
Express shipping costs an extra $60 to $80, depending on the order and destination, and international duties and taxes are the customer's responsibility. A physical diamond certificate costs an extra $80. Jewelry can be sent back within 30 days from the shipment date if it is unworn and complete with tags, paperwork and receipt; special orders and custom items are non-refundable. Orders can be cancelled within 48 hours of being placed, after which a 12% cancellation charge applies. The shop accepts Visa, Mastercard and American Express.
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