Overnight
Top PickPlum Diamonds ships jewelry by insured FedEx standard overnight, free within the lower 48 states and $35 to Alaska and Hawaii, with an adult signature on delivery, as stated on its shipping page on 29 October 2026. It does not ship abroad.
Limited Time Offer
Rings
If an engagement ring or wedding band from Plum Diamonds does not fit, the shop resizes it free and emails a prepaid insured FedEx label, with some conditions, as stated on its shipping and promotions pages on 29 October 2026.
Limited Time Offer
For Life
Plum Diamonds engagement rings come with a free yearly care visit for life, covering cleaning, polishing, a prong check and rhodium plating for white gold, which the shop puts at about $200 a year, as shown on 29 October 2026.
Limited Time Offer
Gifts
Plum Diamonds lists its white, blue and pink lab diamond mini stud earrings at $265 each in its gifts under $500 collection, with a travel case at $46, as shown on 29 October 2026.
Limited Time Offer
BUNDLE
The shop's Dewdrop jewelry sets in round, oval, pear and marquise cuts are listed at $1,010, and the Classic Lab Diamond Set 1ctw at $1,090, in its Bundle and Save sets collection on 29 October 2026.
Limited Time Offer
Loose
Plum Diamonds lists loose lab grown diamonds for custom rings from $503, such as an oval 1.12ct D VS1, and a round 2.81ct D VVS1 at $2,500, as shown on its site on 29 October 2026.
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 Plum Diamonds USA offers.
Plum Diamonds gave 10% off sitewide to email subscribers until 11:59pm PST on 28 October 2026, with custom orders, try on kits and rush charges left out. That sale has ended, and no other code was shown on 29 October 2026. Joining the email list is still the way its sale codes arrive.
Jewelry ships free by insured FedEx overnight within the lower 48 states, and costs $35 to Alaska and Hawaii, with an adult signature on delivery. Rings that do not fit are resized free, and engagement rings get a free yearly care visit for life, with cleaning, polishing, a prong check and rhodium plating for white gold.
Lab diamond mini stud earrings cost $265, the Dewdrop jewelry sets $1,010 and loose lab grown diamonds start at $503. Most rings are made to order in 15 to 17 business days, while stud earrings ship in 3 to 5 business days.
Non-custom, unaltered jewelry can be returned free within 30 days of delivery. Ready-to-Ship rings carry a 10% restocking fee, engraved rings a $100 fee, and custom or resized pieces are final sale.
Offers on this page were checked on the shop's own website on 29 October 2026.
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