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Used AGS Certified Diamond Engagement Rings

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17 Items

  1. LAB GROWN
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    pear shape engagement ring with shadow wedding band size 6
    PRE-OWNED
    pear shape engagement ring with shadow wedding band size 6
    0  Reviews
    $4,500.00 $7,300.00
  2. NATURAL DIAMOND
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    18k white gold engagement ring with 0.45ct round brilliant diamond
    PRE-OWNED
    18k white gold engagement ring with 0.45ct round brilliant diamond
    0  Reviews
    $1,200.00 $2,000.00
  3. NATURAL DIAMOND
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    Certified 2.91 Ct. Colorless 3-Stone Ring
    PRE-OWNED
    Certified 2.91 Ct. Colorless 3-Stone Ring
    0  Reviews
    $6,300.00 $10,400.00
  4. LAB GROWN
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    Lady's Diamond Wedding Set (wedding band)
    PRE-OWNED
    Lady's Diamond Wedding Set (wedding band)
    0  Reviews
    $450.00 $600.00
  5. NATURAL DIAMOND
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    Lady's Diamond Wedding Set (engagement ring)
    PRE-OWNED
    Lady's Diamond Wedding Set (engagement ring)
    0  Reviews
    $3,500.00 $4,500.00
  6. NATURAL DIAMOND
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    Platinum Diamond Ring: Vintage: Late Victorian
    PRE-OWNED
    Platinum Diamond Ring: Vintage: Late Victorian
    0  Reviews
    $5,000.00 $10,000.00
  7. NATURAL DIAMOND
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    Verragio Insignia 7066P 18K White Gold Engagement Ring & Wedding Band
    PRE-OWNED
    Verragio Insignia 7066P 18K White Gold Engagement Ring & Wedding Band
    0  Reviews
    $10,600.00 $16,950.00
  8. NATURAL DIAMOND
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    Verragio 7074P 1.01 Carat Princess H/VS2
    PRE-OWNED
    Verragio 7074P 1.01 Carat Princess H/VS2
    0  Reviews
    $6,999.99 $11,000.00
  9. NATURAL DIAMOND
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    1.40 TCW charming halo diamond engagement ring
    PRE-OWNED
    1.40 TCW charming halo diamond engagement ring
    0  Reviews
    $2,700.00 $5,800.00
  10. NATURAL DIAMOND
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    1.7 carat diamond and sapphire halo engagement ring SSI
    PRE-OWNED
    1.7 carat diamond and sapphire halo engagement ring SSI
    0  Reviews
    $4,550.00 $6,500.00
  11. NATURAL DIAMOND
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    HALO ENGAGEMENT RING WITH MARQUISE SHAPE DIAMOND
    PRE-OWNED
    HALO ENGAGEMENT RING WITH MARQUISE SHAPE DIAMOND
    0  Reviews
    $4,800.00 $15,000.00
  12. NATURAL DIAMOND
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    ROUND DIAMOND IN THE FANCY HAND MADE DIAMOND SETTING
    PRE-OWNED
    ROUND DIAMOND IN THE FANCY HAND MADE DIAMOND SETTING
    0  Reviews
    $4,950.00 $170,000.00
  13. NATURAL DIAMOND
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    Vera Wang Wedding Set
    PRE-OWNED
    Vera Wang Wedding Set
    0  Reviews
    $2,500.00 $4,449.00
  14. NATURAL DIAMOND
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    AGS Certified 1.59 carat, Round, J, VS2 on 14K White Gold Setting
    PRE-OWNED
    AGS Certified 1.59 carat, Round, J, VS2 on 14K White Gold Setting
    0  Reviews
    $8,500.00 $12,810.00
  15. NATURAL DIAMOND
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    1.79 ctw Princess Cut Wedding Set 14k White Gold
    PRE-OWNED
    1.79 ctw Princess Cut Wedding Set 14k White Gold
    0  Reviews
    $4,250.00 $6,852.00
  16. NATURAL DIAMOND
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    Trio Princess Cut Pave Diamond Engagement Ring with a .74ct plus band
    PRE-OWNED
    Trio Princess Cut Pave Diamond Engagement Ring with a .74ct plus band
    0  Reviews
    $3,000.00 $3,500.00
  17. NATURAL DIAMOND
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    0.406 carat halo pave engagement ring ideal square cut ASG certified
    PRE-OWNED
    0.406 carat halo pave engagement ring ideal square cut ASG certified
    0  Reviews
    $1,500.00 $4,082.41
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Pre-owned AGS Certified Diamond Engagement Rings

The American Gem Society (AGS) has been grading diamonds since 1934. One of the most respected US-based diamond trade associations, AGS only certifies the absolute best diamond engagement rings. If you want to get a pre-owned ring and know without a shadow of a doubt that it’s the real deal, check out our AGS-certified diamond engagement rings below!

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