Certified Diamond Engagement Rings
Some diamonds from KAY Outlet are accompanied by an independent certification as to their quality and value. We currently offer Gemological Science International (GSI) and Gem Institute of America (GIA) certified diamond engagement rings .
99 Results items returned.
99 Results items returned.
- Price Low to High
- Price High to Low
- Newest Arrivals
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99 Results items returned.
- Price Low to High
- Price High to Low
- Newest Arrivals
- Most popular
Neil Lane Artistry Heart-Shaped Lab-Grown Diamond Toi et Moi Engagement Ring 2-1/2 ct tw 14K Rose GoldUltimate Deal
Ultimate Deal
$2,299.99
51% off
Was $4,699.99
$5,199.99
60% off
Was $12,999.99
Adore Certified Round-Cut Diamond Cushion-Shaped Halo Bridal Set 2-1/6 ct tw 14K Two-Tone GoldClearance
Clearance
$6,499.99
50% off
Was $12,999.99
$1,559.99
60% off
Was $3,899.99
$1,519.99
60% off
Was $3,799.99
$2,799.99
60% off
Was $6,999.99
$2,399.99
70% off
Was $7,999.99
$5,999.99
40% off
Was $9,999.99
$3,899.99
70% off
Was $12,999.99
$2,749.99
50% off
Was $5,499.99
$1,799.99
60% off
Was $4,499.99
$6,399.99
60% off
Was $15,999.99
$1,119.99
60% off
Was $2,799.99
$3,399.99
60% off
Was $8,499.99
$3,449.99
25% off
Was $4,599.99
$2,939.99
40% off
Was $4,899.99
$2,199.99
60% off
Was $5,499.99
Previously Owned THE LEO Diamond Three-Stone Engagement Ring 7/8 ct tw Princess & Round-cut 14K Yellow GoldPreviously Owned Lovingly Restored
Previously Owned Lovingly Restored
$2,219.99
40% off
Was $3,699.99
Previously Owned Certified Diamond Ring 3/4 carat Round-Cut 14K White Gold (I/I1)Previously Owned Lovingly Restored
Previously Owned Lovingly Restored
$1,319.99
60% off
Was $3,299.99
$1,499.99
70% off
Was $4,999.99
Monique Lhuillier Bliss Emerald-Cut Lab-Grown Diamond Engagement Ring 2 ct tw 18K White GoldClearance
Clearance
$3,119.99
40% off
Was $5,199.99
$2,199.99
60% off
Was $5,499.99
$5,899.99
50% off
Was $11,799.99
$1,649.99
50% off
Was $3,299.99
$4,799.99
70% off
Was $15,999.99
$3,499.99
50% off
Was $6,999.99
Previously Owned THE LEO Diamond Engagement Ring 7/8 ct tw Diamonds 14K White GoldPreviously Owned Lovingly Restored
Previously Owned Lovingly Restored
$2,339.99
40% off
Was $3,899.99
Previously Owned THE LEO Diamond Engagement Ring 7/8 ct tw Diamonds 14K White GoldPreviously Owned Lovingly Restored
Previously Owned Lovingly Restored
$2,099.99
40% off
Was $3,499.99
$6,779.99
40% off
Was $11,299.99
Previously Owned Neil Lane Artistry Pear-Shaped Lab-Grown Diamond Double Frame Engagement Ring 1-3/4 ct tw 14K White GoldPreviously Owned Lovingly Restored
Previously Owned Lovingly Restored
$2,279.99
40% off
Was $3,799.99
Monique Lhuillier Bliss Oval-Cut Lab-Grown Diamond Engagement Ring 1-1/3 ct tw 18K Two-Tone GoldClearance
Clearance
$1,799.99
40% off
Was $2,999.99
$4,999.99
50% off
Was $9,999.99
$6,399.99
60% off
Was $15,999.99
$5,699.99
40% off
Was $9,499.99
$2,649.99
50% off
Was $5,299.99
Showing 42 of 99 products