• Hassle Free Returns
  • FREE SHIPPING OVER $95 – FREE OVERNIGHT OVER $1000
  • Conflict-Free
  • 100% Satisfaction Guarantee
  • Lifetime Warranty
  • Best Price Promise

Side Diamonds

When one diamond isn't enough, side diamonds add a dazzling touch to an already-stunning engagement ring. Shop Day's collection of sidestone engagement rings. 

Items 1-60 of 112

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  1. Diamond Engagement Ring in 14kt White Gold (1/3ct tw)
    Diamond Engagement Ring in 14kt White Gold (1/3ct tw)
    Day's Price $1,095.00
    or as low as $54.75/month Financing Options*
    SKU: DSMS0045
  2. Princess Cut Diamond Engagement Ring in 18kt White Gold (1ct tw)
    Princess Cut Diamond Engagement Ring in 18kt White Gold (1ct tw)
    Day's Price $9,995.00
    or as low as $499.75/month Financing Options*
    SKU: DSCTF0371
  3. Princess Cut Diamond Engagement Ring in 14kt White Gold (1 1/5ct tw)
    Princess Cut Diamond Engagement Ring in 14kt White Gold (1 1/5ct tw)
    Day's Price $4,995.00
    or as low as $249.75/month Financing Options*
    SKU: DSTQF0426
  4. Estate Diamond Engagement Ring in 14kt Rose Gold (1ct tw)
    Estate Diamond Engagement Ring in 14kt Rose Gold (1ct tw)
    Day's Price $4,495.00
    or as low as $224.75/month Financing Options*
    SKU: DSTQ0719
  5. Diamond Engagement Ring in 14kt Yellow Gold (2 1/4ct tw)
    Diamond Engagement Ring in 14kt Yellow Gold (2 1/4ct tw)
    Day's Price $9,995.00
    or as low as $499.75/month Financing Options*
    SKU: DSOC0490
  6. Forevermark Diamond Engagement Ring in Platinum (1 3/8ct tw)
    Forevermark Diamond Engagement Ring in Platinum (1 3/8ct tw)
    Day's Price $9,495.00
    or as low as $474.75/month Financing Options*
    SKU: DSCT0841
  7. Estate Pear Diamond Engagement Ring in 14kt White Gold (1ct tw)
    Estate Pear Diamond Engagement Ring in 14kt White Gold (1ct tw)
    Day's Price $2,295.00
    or as low as $114.75/month Financing Options*
    SKU: DSHFF0562
  8. Diamond Engagement Ring in 18kt Yellow Gold (1 1/7ct tw)
    Diamond Engagement Ring in 18kt Yellow Gold (1 1/7ct tw)
    Day's Price $6,495.00
    or as low as $324.75/month Financing Options*
    SKU: DSSV0079
  9. Diamond Engagement Ring in 18kt White Gold (1 3/8ct tw)
    Diamond Engagement Ring in 18kt White Gold (1 3/8ct tw)
    Day's Price $8,495.00
    or as low as $424.75/month Financing Options*
    SKU: DSCT0834
  10. Diamond Engagement Ring in 14kt White Gold (3/4ct tw)
    Diamond Engagement Ring in 14kt White Gold (3/4ct tw)
    Day's Price $2,295.00
    or as low as $114.75/month Financing Options*
    SKU: DSHF1142
  11. Princess Cut Diamond Engagement Ring in 14kt White Gold (1 1/4ct tw)
    Princess Cut Diamond Engagement Ring in 14kt White Gold (1 1/4ct tw)
    Day's Price $6,495.00
    or as low as $324.75/month Financing Options*
    SKU: DSCTF0368
  12. Diamond Engagement Ring in 18kt White Gold (1 1/7ct tw)
    Diamond Engagement Ring in 18kt White Gold (1 1/7ct tw)
    Day's Price $5,295.00
    or as low as $264.75/month Financing Options*
    SKU: DSCT0835
  13. Diamond Engagement Ring in 14kt White Gold (1 5/8ct tw)
    Diamond Engagement Ring in 14kt White Gold (1 5/8ct tw)
    Day's Price $9,395.00
    or as low as $469.75/month Financing Options*
    SKU: DSCT0829
  14. Diamond Engagement Ring in 14kt Yellow Gold (1 1/7ct tw)
    Diamond Engagement Ring in 14kt Yellow Gold (1 1/7ct tw)
    Day's Price $4,495.00
    or as low as $224.75/month Financing Options*
    SKU: DSCT0828
  15. Diamond Engagement Ring in 14kt White Gold (1 3/8ct tw)
    Diamond Engagement Ring in 14kt White Gold (1 3/8ct tw)
    Day's Price $9,200.00
    or as low as $460.00/month Financing Options*
    SKU: DSCT0827
  16. Emerald Cut Diamond Engagement Ring in 14kt White Gold (1 1/4ct tw)
    Emerald Cut Diamond Engagement Ring in 14kt White Gold (1 1/4ct tw)
    Day's Price $4,595.00
    or as low as $229.75/month Financing Options*
    SKU: DSTQF0424
  17. Oval Diamond Engagement Ring in 14kt White Gold (1 1/3ct tw)
    Oval Diamond Engagement Ring in 14kt White Gold (1 1/3ct tw)
    Day's Price $4,595.00
    or as low as $229.75/month Financing Options*
    SKU: DSSVF0106
  18. Oval Diamond Engagement Ring in 14kt White Gold (1 3/8ct tw)
    Oval Diamond Engagement Ring in 14kt White Gold (1 3/8ct tw)
    Day's Price $4,595.00
    or as low as $229.75/month Financing Options*
    SKU: DSSVF0105
  19. Oval Diamond Engagement Ring in 14kt White Gold (1 3/8ct tw)
    Oval Diamond Engagement Ring in 14kt White Gold (1 3/8ct tw)
    Day's Price $4,595.00
    or as low as $229.75/month Financing Options*
    SKU: DSSVF0104
  20. Emerald Cut Diamond Engagement Ring in Platinum (1 1/2ct tw)
    Emerald Cut Diamond Engagement Ring in Platinum (1 1/2ct tw)
    Day's Price $5,195.00
    or as low as $259.75/month Financing Options*
    SKU: DSCTF0365
  21. Forevermark Diamond Engagement Ring in 18kt White Gold (1/2ct tw)
    Forevermark Diamond Engagement Ring in 18kt White Gold (1/2ct tw)
    Day's Price $1,795.00
    or as low as $89.75/month Financing Options*
    SKU: DSQT0721
  22. Forevermark Diamond Engagement Ring in 18kt White Gold (1c tw)
    Forevermark Diamond Engagement Ring in 18kt White Gold (1c tw)
    Day's Price $5,995.00
    or as low as $299.75/month Financing Options*
    SKU: DSTQF0409
  23. Forevermark Diamond Engagement Ring in 18kt White Gold (1ct tw)
    Forevermark Diamond Engagement Ring in 18kt White Gold (1ct tw)
    Day's Price $5,995.00
    or as low as $299.75/month Financing Options*
    SKU: DSTQ0707
  24. Forevermark Diamond Engagement Ring in 18kt Yellow Gold (1ct tw)
    Forevermark Diamond Engagement Ring in 18kt Yellow Gold (1ct tw)
    Day's Price $5,795.00
    or as low as $289.75/month Financing Options*
    SKU: DSTQ0706
  25. Forevermark Diamond Engagement Ring in 18kt White Gold (1ct tw)
    Forevermark Diamond Engagement Ring in 18kt White Gold (1ct tw)
    Day's Price $5,795.00
    or as low as $289.75/month Financing Options*
    SKU: DSTQ0705
  26. Forevermark Diamond Engagement Ring in 18kt White Gold (1ct tw)
    Forevermark Diamond Engagement Ring in 18kt White Gold (1ct tw)
    Day's Price $5,995.00
    or as low as $299.75/month Financing Options*
    SKU: DSTQ0704
  27. Diamond Ring in 14kt Rose Gold (1/5ct tw)
    Diamond Ring in 14kt Rose Gold (1/5ct tw)
    Day's Price $849.00
    or as low as $42.45/month Financing Options*
    SKU: DS10P0279
  28. Champagne Cushion Diamond Ring in 14kt Rose Gold (1 3/8ct tw)
    Champagne Cushion Diamond Ring in 14kt Rose Gold (1 3/8ct tw)
    Day's Price $4,295.00
    or as low as $214.75/month Financing Options*
    SKU: DSCTF0346
  29. Diamond Engagement Ring in 10kt White Gold (3/8ct tw)
    Diamond Engagement Ring in 10kt White Gold (3/8ct tw)
    Day's Price $899.00
    or as low as $44.95/month Financing Options*
    SKU: DSMS0038
  30. Diamond Engagement Ring in 14kt Rose Gold (1 1/4ct tw)
    Diamond Engagement Ring in 14kt Rose Gold (1 1/4ct tw)
    Day's Price $3,695.00
    or as low as $184.75/month Financing Options*
    SKU: DSTQ0691
  31. Forevermark Diamond Engagement Ring in 18kt White Gold (1ct tw)
    Forevermark Diamond Engagement Ring in 18kt White Gold (1ct tw)
    Day's Price $5,695.00
    or as low as $284.75/month Financing Options*
    SKU: DSTQ0697
  32. Estate Diamond Engagement Ring in 14kt White Gold (1 1/3ct tw)
    Estate Diamond Engagement Ring in 14kt White Gold (1 1/3ct tw)
    Day's Price $2,995.00
    or as low as $149.75/month Financing Options*
    SKU: DSTQ0695
  33. Estate Diamond Ring in 14kt White Gold with Sapphires (1/2ct tw)
    Estate Diamond Ring in 14kt White Gold with Sapphires (1/2ct tw)
    Day's Price $2,195.00
    or as low as $109.75/month Financing Options*
    SKU: DSHF1113
  34. Diamond Engagement Ring in 14kt Yellow Gold (2 3/8ct tw)
    Diamond Engagement Ring in 14kt Yellow Gold (2 3/8ct tw)
    Day's Price $9,495.00
    or as low as $474.75/month Financing Options*
    SKU: DSOC0483
  35. Diamond Engagement Ring in 14kt White Gold (1.16ct tw)
    Diamond Engagement Ring in 14kt White Gold (1.16ct tw)
    Day's Price $5,295.00
    or as low as $264.75/month Financing Options*
    SKU: DSCT0804
  36. Diamond Engagement Ring in 14kt White Gold (1.13ct tw)
    Diamond Engagement Ring in 14kt White Gold (1.13ct tw)
    Day's Price $5,995.00
    or as low as $299.75/month Financing Options*
    SKU: DSCT0803
  37. Diamond Engagement Ring in 14kt Rose Gold (1ct tw)
    Diamond Engagement Ring in 14kt Rose Gold (1ct tw)
    Day's Price $3,495.00
    or as low as $174.75/month Financing Options*
    SKU: DSCT0799
  38. Diamond Engagement Ring in 18kt White Gold (1ct tw)
    Diamond Engagement Ring in 18kt White Gold (1ct tw)
    Day's Price $5,795.00
    or as low as $289.75/month Financing Options*
    SKU: DSTQ0689
  39. Diamond Engagement Ring in 18kt White Gold (1ct tw)
    Diamond Engagement Ring in 18kt White Gold (1ct tw)
    Day's Price $5,995.00
    or as low as $299.75/month Financing Options*
    SKU: DSTQ0687
  40. Pear Diamond Engagement Ring in 14kt Rose Gold (1/2ct tw)
    Pear Diamond Engagement Ring in 14kt Rose Gold (1/2ct tw)
    Day's Price $1,495.00
    or as low as $74.75/month Financing Options*
    SKU: DSHFF0538
  41. Estate Diamond Engagement Ring in 18kt White Gold (1 1/2ct tw)
    Estate Diamond Engagement Ring in 18kt White Gold (1 1/2ct tw)
    Day's Price $3,695.00
    or as low as $184.75/month Financing Options*
    SKU: DSHF1103
  42. Diamond Engagement Ring in 14kt White Gold (1 1/7ct tw)
    Diamond Engagement Ring in 14kt White Gold (1 1/7ct tw)
    Day's Price $2,795.00
    or as low as $139.75/month Financing Options*
    SKU: DSHF1087
  43. Forevermark Diamond Ring in 18kt White Gold (1ct)
    Forevermark Diamond Ring in 18kt White Gold (1ct)
    Day's Price $7,595.00
    or as low as $379.75/month Financing Options*
    SKU: DSTQF0378
  44. Forevermark Diamond Engagement Ring in 14kt White Gold (5/8ct tw)
    Forevermark Diamond Engagement Ring in 14kt White Gold (5/8ct tw)
    Day's Price $1,495.00
    or as low as $74.75/month Financing Options*
    SKU: DSTD0726
  45. Forevermark Diamond Engagement Ring in 14kt Rose Gold (5/8ct tw)
    Forevermark Diamond Engagement Ring in 14kt Rose Gold (5/8ct tw)
    Day's Price $3,195.00
    or as low as $159.75/month Financing Options*
    SKU: DSHF1086
  46. Forevermark Diamond Engagement Ring in 14kt White Gold (5/8ct tw)
    Forevermark Diamond Engagement Ring in 14kt White Gold (5/8ct tw)
    Day's Price $3,495.00
    or as low as $174.75/month Financing Options*
    SKU: DSHF1085

Items 1-60 of 112

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HASSLE FREE RETURNS

If for any reason you are not 100% satisfied with your purchase within 30 days of receipt, you may return any merchandise that has not been altered, engraved or customized for a refund, credit or exchange. Merchandise returned must be in its original condition. Any purchase made with a credit card must be returned to the original credit card. Please read more about our Returns and Exchanges Policy.

FREE SHIPPING OVER $95 – FREE OVERNIGHT OVER $1000

AAll orders shipped UPS are fully insured and require a signature at time of delivery unless shipped by USPS. Each item is cleaned, polished and inspected before it is wrapped and shipped to you. Orders over $1,000 enjoy free overnight shipping via UPS. For engravings and ring sizing, please add an additional 2-3 business days to your order. Special orders or customizations may take 3-4 weeks. Please read more for full shipping information.

CONFLICT-FREE

Day's Jewelers requires suppliers to provide a written warranty, for every diamond purchased, that it was acquired from non-conflict sources. Furthermore, as a certified member of the Responsible Jewellery Council, Day's is committed to supporting and promoting the highest level of social, ethical and environmental responsibility in our communities and in the areas of the world where our products are sourced. Learn more about the Day's Promise...

100% SATISFACTION GUARANTEE

If for any reason you are not 100% satisfied with your purchase within 30 days of receipt, you may return any merchandise that has not been altered, engraved or customized for a refund, credit or exchange. Merchandise returned must be in its original condition.

LIFETIME WARRANTY

Your jewelry purchased from Day's Jewelers is warranted for a lifetime against defects in materials and craftsmanship. To be eligible for this warranty, your piece of jewelry must be inspected at any Day's store at least once every six months. If you should live in an area where there is no Day's store located, we would be happy to recommend a reputable jeweler to perform the required semi-annual inspections. Day's also offers a low cost extended care plan that covers normal wear and tear of items not deemed as defective.

BEST PRICE PROMISE

Day's adheres to an everyday low price policy so you can always shop knowing you’re getting the best price possible from an authorized retailer.

  • We promise to offer the lowest price possible on all of our items every day
  • We never apply additional markup just to put an item on sale
  • We have free shipping on orders over $95