12Fifteen Diamonds promo code - September 2026
Shoppers in Australia access 4 codes and 5 offers at 12Fifteen Diamonds this September 2026. Stack multiple promo codes for extra savings, claim 15% off lab grown diamond rings site wide, and unlock free shipping on all lab grown diamond orders. Newsletter sign-ups earn 10% off first orders.
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$50
CURRENT
Promo code
12Fifteen Diamonds promo codes • Expires tomorrow
Stack Multiple 12Fifteen Diamonds Coupon Codes for Extra Savings
12Fifteen Diamonds allows customers to use multiple coupon codes at once, stacking discounts like $50 off fine jewelry with free shipping offers for maximum savings
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8%
CURRENT
Promo code
12Fifteen Diamonds promo codes • Expires in 9 days
8% Off Lab Grown Diamond Engagement Rings Collection
Apply this coupon to save 8% on lab grown diamond engagement rings from 12Fifteen Diamonds' fine jewelry collection
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$50
CURRENT
Promo code
12Fifteen Diamonds promo codes • Expires in 5 days
$50 Off All Lab Grown Diamond Fine Jewelry and Rings
The best 12Fifteen Diamonds coupon gives you $50 off all lab grown diamond fine jewelry and rings across the entire collection
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$50
CURRENT
Promo code
12Fifteen Diamonds promo codes • Expires today
$50 Off Upgrade on Lab Grown Diamond Jewelry at 12Fifteen Diamonds
Exclusive offer: Get $50 off your upgrade when you trade up your existing 12Fifteen Diamonds jewelry for a new lab grown diamond piece
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10%
Offer
12Fifteen Diamonds Deals
Sign Up to Newsletter and Get 10% Off Your First Order
Subscribe to the 12Fifteen Diamonds newsletter and receive 10% off your first lab grown diamond jewellery purchase. New subscribers only
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15%
Offer
12Fifteen Diamonds Deals
15% Off All Lab Grown Diamond Fine Jewelry and Rings Site Wide
12Fifteen Diamonds is offering 15% off all lab grown diamond fine jewelry and rings site wide for a limited time
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Offer
12Fifteen Diamonds Deals
Free Shipping on Lab Grown Diamond Ring Orders Australia Wide
Enjoy free shipping across Australia on all lab grown diamond ring purchases from 12Fifteen Diamonds with no minimum order value
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Offer
12Fifteen Diamonds Deals
Free Shipping on All Lab Grown Diamond Orders at 12Fifteen Diamonds
12Fifteen Diamonds offers free shipping on your lab grown diamond fine jewelry and ring orders with no minimum spend required
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50%
Offer
12Fifteen Diamonds Deals
50% Off Diamond Upgrade Program for Existing Customers
12Fifteen Diamonds offers an exclusive 50% off upgrade program for customers looking to trade in their existing diamond jewelry for a new piece
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