Rubies
Emeralds
Sapphires
Gemstones
+1-212-869-1165
contact us
Home
/
All Sapphire Engagement Rings

All Sapphire Engagement Rings

Whether you are looking a classic solitaire, a diamond halo design, or a more modern bezel set piece, you'll find the perfect sapphire engagement ring in our collection. We offer sapphire engagement rings in a bevy of colors including blue, pink, and yellow, and a vast array of designs. Each one of our rings is expertly crafted and produced in our workshop. Interested in creating a custom designed ring? Browse our engagement ring settings to get started!

43336 results
Sale Items
Change view:
Sort by:
Select
28.59 Ct. Blue Sapphire Ring, 18K White Gold 1
28.59 Ct. Blue Sapphire Ring, 18K White Gold 2
28.59 Ct. Blue Sapphire Ring, 18K White Gold 3
28.59 Ct. Blue Sapphire Ring, 18K White Gold 4
28.59 Ct. Sapphire 18K White Gold ring
Item ID: 180229
$7,382
View Details
4.19 Ct. Blue Sapphire Ring, 18K White Gold 1
4.19 Ct. Blue Sapphire Ring, 18K White Gold 2
4.19 Ct. Blue Sapphire Ring, 18K White Gold 3
4.19 Ct. Blue Sapphire Ring, 18K White Gold 4
4.19 Ct. Sapphire 18K White Gold ring
Item ID: 160664
$2,964
View Details
4.53 Ct. Blue Sapphire Ring, 18K White Gold 1
4.53 Ct. Blue Sapphire Ring, 18K White Gold 2
4.53 Ct. Blue Sapphire Ring, 18K White Gold 3
4.53 Ct. Blue Sapphire Ring, 18K White Gold 4
4.53 Ct. Sapphire 18K White Gold ring
Item ID: 210638
$13,003
View Details
1.25 Ct. Blue Sapphire Ring, 18K White Gold 1
1.25 Ct. Blue Sapphire Ring, 18K White Gold 2
1.25 Ct. Blue Sapphire Ring, 18K White Gold 3
1.25 Ct. Blue Sapphire Ring, 18K White Gold 4
1.25 Ct. Sapphire 18K White Gold ring
Item ID: 160680
$4,793
View Details
1.55 Ct. Bluish Green Sapphire Ring, 18K White Gold 1
1.55 Ct. Bluish Green Sapphire Ring, 18K White Gold 2
1.55 Ct. Bluish Green Sapphire Ring, 18K White Gold 3
1.55 Ct. Bluish Green Sapphire Ring, 18K White Gold 4
1.55 Ct. Sapphire 18K White Gold ring
Item ID: 117078
$6,172
View Details
1.16 Ct. Purple Sapphire Ring, 18K White Gold 1
1.16 Ct. Purple Sapphire Ring, 18K White Gold 2
1.16 Ct. Purple Sapphire Ring, 18K White Gold 3
1.16 Ct. Purple Sapphire Ring, 18K White Gold 4
1.16 Ct. Sapphire 18K White Gold ring
Item ID: 100049
$2,966
View Details
1.74 Ct. Padparadscha Sapphire Ring, 18K White Gold 1
1.74 Ct. Padparadscha Sapphire Ring, 18K White Gold 2
1.74 Ct. Padparadscha Sapphire Ring, 18K White Gold 3
1.74 Ct. Padparadscha Sapphire Ring, 18K White Gold 4
1.74 Ct. Sapphire 18K White Gold ring
Item ID: 117081
$8,559
View Details
2.06 Ct. Padparadscha Sapphire Ring, 18K White Gold 1
2.06 Ct. Padparadscha Sapphire Ring, 18K White Gold 2
2.06 Ct. Padparadscha Sapphire Ring, 18K White Gold 3
2.06 Ct. Padparadscha Sapphire Ring, 18K White Gold 4
2.06 Ct. Sapphire 18K White Gold ring
Item ID: 143262
$16,809
View Details
0.86 Ct. Blue Sapphire Ring, 18K White Gold 1
0.86 Ct. Blue Sapphire Ring, 18K White Gold 2
0.86 Ct. Blue Sapphire Ring, 18K White Gold 3
0.86 Ct. Blue Sapphire Ring, 18K White Gold 4
0.86 Ct. Sapphire 18K White Gold ring
Item ID: 187966
$3,124
View Details
1.22 Ct. Purplish Blue Sapphire Ring, 18K White Gold 1
1.22 Ct. Purplish Blue Sapphire Ring, 18K White Gold 2
1.22 Ct. Purplish Blue Sapphire Ring, 18K White Gold 3
1.22 Ct. Purplish Blue Sapphire Ring, 18K White Gold 4
1.22 Ct. Sapphire 18K White Gold ring
Item ID: 173310
$3,139
View Details
0.86 Ct. Blue Sapphire Ring, 18K White Gold 1
0.86 Ct. Blue Sapphire Ring, 18K White Gold 2
0.86 Ct. Blue Sapphire Ring, 18K White Gold 3
0.86 Ct. Blue Sapphire Ring, 18K White Gold 4
0.86 Ct. Sapphire 18K White Gold ring
Item ID: 187968
$3,547
View Details
1.53 Ct. Yellow Sapphire Ring, 18K White Gold 1
1.53 Ct. Yellow Sapphire Ring, 18K White Gold 2
1.53 Ct. Yellow Sapphire Ring, 18K White Gold 3
1.53 Ct. Yellow Sapphire Ring, 18K White Gold 4
1.53 Ct. Sapphire 18K White Gold ring
Item ID: 190548
$4,414
View Details
2.57 Ct. Blue Sapphire Ring, 18K White Gold 1
2.57 Ct. Blue Sapphire Ring, 18K White Gold 2
2.57 Ct. Blue Sapphire Ring, 18K White Gold 3
2.57 Ct. Blue Sapphire Ring, 18K White Gold 4
2.57 Ct. Sapphire 18K White Gold ring
Item ID: 205805
$6,647
View Details
2.00 Ct. Greenish Blue Sapphire Ring, 18K White Gold 1
2.00 Ct. Greenish Blue Sapphire Ring, 18K White Gold 2
2.00 Ct. Greenish Blue Sapphire Ring, 18K White Gold 3
2.00 Ct. Greenish Blue Sapphire Ring, 18K White Gold 4
2.00 Ct. Sapphire 18K White Gold ring
Item ID: 190544
$4,411
View Details
2.66 Ct. Bluish Green Sapphire Ring, 18K White Gold 1
2.66 Ct. Bluish Green Sapphire Ring, 18K White Gold 2
2.66 Ct. Bluish Green Sapphire Ring, 18K White Gold 3
2.66 Ct. Bluish Green Sapphire Ring, 18K White Gold 4
2.66 Ct. Sapphire 18K White Gold ring
Item ID: 200458
$6,237
View Details
2.18 Ct. Bi Color Sapphire Ring, 18K White Gold 1
2.18 Ct. Bi Color Sapphire Ring, 18K White Gold 2
2.18 Ct. Bi Color Sapphire Ring, 18K White Gold 3
2.18 Ct. Bi Color Sapphire Ring, 18K White Gold 4
2.18 Ct. Sapphire 18K White Gold ring
Item ID: 173281
$2,912
View Details
1.56 Ct. Blue Sapphire Ring, 18K White Gold 1
1.56 Ct. Blue Sapphire Ring, 18K White Gold 2
1.56 Ct. Blue Sapphire Ring, 18K White Gold 3
1.56 Ct. Blue Sapphire Ring, 18K White Gold 4
1.56 Ct. Sapphire 18K White Gold ring
Item ID: 180190
$8,831
View Details
5.61 Ct. Blue Sapphire Ring, 18K White Gold 1
5.61 Ct. Blue Sapphire Ring, 18K White Gold 2
5.61 Ct. Blue Sapphire Ring, 18K White Gold 3
5.61 Ct. Blue Sapphire Ring, 18K White Gold 4
5.61 Ct. Sapphire 18K White Gold ring
Item ID: 190514
$26,239
View Details
5.10 Ct. Bi Color Sapphire Ring, 18K White Gold 1
5.10 Ct. Bi Color Sapphire Ring, 18K White Gold 2
5.10 Ct. Bi Color Sapphire Ring, 18K White Gold 3
5.10 Ct. Bi Color Sapphire Ring, 18K White Gold 4
5.10 Ct. Sapphire 18K White Gold ring
Item ID: 180201
$14,918
View Details
1.67 Ct. Purple Sapphire Ring, 18K White Gold 1
1.67 Ct. Purple Sapphire Ring, 18K White Gold 2
1.67 Ct. Purple Sapphire Ring, 18K White Gold 3
1.67 Ct. Purple Sapphire Ring, 18K White Gold 4
1.67 Ct. Sapphire 18K White Gold ring
Item ID: 182632
$5,074
View Details
0.70 Ct. Greenish Blue Sapphire Ring, 18K White Gold 1
0.70 Ct. Greenish Blue Sapphire Ring, 18K White Gold 2
0.70 Ct. Greenish Blue Sapphire Ring, 18K White Gold 3
0.70 Ct. Greenish Blue Sapphire Ring, 18K White Gold 4
0.70 Ct. Sapphire 18K White Gold ring
Item ID: 180206
$2,393
View Details
1.20 Ct. Green Sapphire Ring, 18K White Gold 1
1.20 Ct. Green Sapphire Ring, 18K White Gold 2
1.20 Ct. Green Sapphire Ring, 18K White Gold 3
1.20 Ct. Green Sapphire Ring, 18K White Gold 4
1.20 Ct. Sapphire 18K White Gold ring
Item ID: 182637
$2,495
View Details
4.08 Ct. Blue Sapphire Ring, 18K White Gold 1
4.08 Ct. Blue Sapphire Ring, 18K White Gold 2
4.08 Ct. Blue Sapphire Ring, 18K White Gold 3
4.08 Ct. Blue Sapphire Ring, 18K White Gold 4
4.08 Ct. Sapphire 18K White Gold ring
Item ID: 200450
$21,109
View Details
1.20 Ct. Green Sapphire Ring, 18K White Gold 1
1.20 Ct. Green Sapphire Ring, 18K White Gold 2
1.20 Ct. Green Sapphire Ring, 18K White Gold 3
1.20 Ct. Green Sapphire Ring, 18K White Gold 4
1.20 Ct. Sapphire 18K White Gold ring
Item ID: 182644
$3,091
View Details
1.26 Ct. Pink Sapphire Ring, 18K White Gold 1
1.26 Ct. Pink Sapphire Ring, 18K White Gold 2
1.26 Ct. Pink Sapphire Ring, 18K White Gold 3
1.26 Ct. Pink Sapphire Ring, 18K White Gold 4
1.26 Ct. Sapphire 18K White Gold ring
Item ID: 194646
$5,597
View Details
4.80 Ct. Blue Sapphire Ring, 18K White Gold 1
4.80 Ct. Blue Sapphire Ring, 18K White Gold 2
4.80 Ct. Blue Sapphire Ring, 18K White Gold 3
4.80 Ct. Blue Sapphire Ring, 18K White Gold 4
4.80 Ct. Sapphire 18K White Gold ring
Item ID: 207668
$4,377
View Details
1.68 Ct. Blue Sapphire Ring, 18K White Gold 1
1.68 Ct. Blue Sapphire Ring, 18K White Gold 2
1.68 Ct. Blue Sapphire Ring, 18K White Gold 3
1.68 Ct. Blue Sapphire Ring, 18K White Gold 4
1.68 Ct. Sapphire 18K White Gold ring
Item ID: 200431
$6,934
View Details
2.34 Ct. Blue Sapphire Ring, 18K White Gold 1
2.34 Ct. Blue Sapphire Ring, 18K White Gold 2
2.34 Ct. Blue Sapphire Ring, 18K White Gold 3
2.34 Ct. Blue Sapphire Ring, 18K White Gold 4
2.34 Ct. Sapphire 18K White Gold ring
Item ID: 212113
$8,797
View Details
1.15 Ct. Padparadscha Sapphire Ring, 18K White Gold 1
1.15 Ct. Padparadscha Sapphire Ring, 18K White Gold 2
1.15 Ct. Padparadscha Sapphire Ring, 18K White Gold 3
1.15 Ct. Padparadscha Sapphire Ring, 18K White Gold 4
1.15 Ct. Sapphire 18K White Gold ring
Item ID: 194634
$7,742
View Details
1.56 Ct. Pink Sapphire Ring, 18K White Gold 1
1.56 Ct. Pink Sapphire Ring, 18K White Gold 2
1.56 Ct. Pink Sapphire Ring, 18K White Gold 3
1.56 Ct. Pink Sapphire Ring, 18K White Gold 4
1.56 Ct. Sapphire 18K White Gold ring
Item ID: 190483
$5,239
View Details
4.55 Ct. Yellow Sapphire Ring, 18K White Gold 1
4.55 Ct. Yellow Sapphire Ring, 18K White Gold 2
4.55 Ct. Yellow Sapphire Ring, 18K White Gold 3
4.55 Ct. Yellow Sapphire Ring, 18K White Gold 4
4.55 Ct. Sapphire 18K White Gold ring
Item ID: 194618
$13,182
View Details
1.34 Ct. Greenish Blue Sapphire Ring, 18K White Gold 1
1.34 Ct. Greenish Blue Sapphire Ring, 18K White Gold 2
1.34 Ct. Greenish Blue Sapphire Ring, 18K White Gold 3
1.34 Ct. Greenish Blue Sapphire Ring, 18K White Gold 4
1.34 Ct. Sapphire 18K White Gold ring
Item ID: 212096
$4,261
View Details
9.13 Ct. Purplish Pink Sapphire Ring, 18K White Gold 1
9.13 Ct. Purplish Pink Sapphire Ring, 18K White Gold 2
9.13 Ct. Purplish Pink Sapphire Ring, 18K White Gold 3
9.13 Ct. Purplish Pink Sapphire Ring, 18K White Gold 4
9.13 Ct. Sapphire 18K White Gold ring
Item ID: 228317
$47,656
View Details
2.11 Ct. Green Sapphire Ring, 18K White Gold 1
2.11 Ct. Green Sapphire Ring, 18K White Gold 2
2.11 Ct. Green Sapphire Ring, 18K White Gold 3
2.11 Ct. Green Sapphire Ring, 18K White Gold 4
2.11 Ct. Sapphire 18K White Gold ring
Item ID: 212097
$4,846
View Details
2.05 Ct. Purplish Pink Sapphire Ring, 18K White Gold 1
2.05 Ct. Purplish Pink Sapphire Ring, 18K White Gold 2
2.05 Ct. Purplish Pink Sapphire Ring, 18K White Gold 3
2.05 Ct. Purplish Pink Sapphire Ring, 18K White Gold 4
2.05 Ct. Sapphire 18K White Gold ring
Item ID: 228326
$6,457
View Details
1.46 Ct. Violet Sapphire Ring, 18K White Gold 1
1.46 Ct. Violet Sapphire Ring, 18K White Gold 2
1.46 Ct. Violet Sapphire Ring, 18K White Gold 3
1.46 Ct. Violet Sapphire Ring, 18K White Gold 4
1.46 Ct. Sapphire 18K White Gold ring
Item ID: 196612
$3,654
View Details
2.09 Ct. Purple Sapphire Ring, 18K White Gold 1
2.09 Ct. Purple Sapphire Ring, 18K White Gold 2
2.09 Ct. Purple Sapphire Ring, 18K White Gold 3
2.09 Ct. Purple Sapphire Ring, 18K White Gold 4
2.09 Ct. Sapphire 18K White Gold ring
Item ID: 228331
$5,612
View Details
1.40 Ct. Peach Sapphire Ring, 18K White Gold 1
1.40 Ct. Peach Sapphire Ring, 18K White Gold 2
1.40 Ct. Peach Sapphire Ring, 18K White Gold 3
1.40 Ct. Peach Sapphire Ring, 18K White Gold 4
1.40 Ct. Sapphire 18K White Gold ring
Item ID: 202454
$3,439
View Details
0.62 Ct. Bluish Green Sapphire Ring, 18K White Gold 1
0.62 Ct. Bluish Green Sapphire Ring, 18K White Gold 2
0.62 Ct. Bluish Green Sapphire Ring, 18K White Gold 3
0.62 Ct. Bluish Green Sapphire Ring, 18K White Gold 4
0.62 Ct. Sapphire 18K White Gold ring
Item ID: 116732
$3,799
View Details
2.01 Ct. Blue Sapphire Ring, 18K White Gold 1
2.01 Ct. Blue Sapphire Ring, 18K White Gold 2
2.01 Ct. Blue Sapphire Ring, 18K White Gold 3
2.01 Ct. Blue Sapphire Ring, 18K White Gold 4
2.01 Ct. Sapphire 18K White Gold ring
Item ID: 190458
$5,514
View Details
1.79 Ct. Green Sapphire Ring, 18K White Gold 1
1.79 Ct. Green Sapphire Ring, 18K White Gold 2
1.79 Ct. Green Sapphire Ring, 18K White Gold 3
1.79 Ct. Green Sapphire Ring, 18K White Gold 4
1.79 Ct. Sapphire 18K White Gold ring
Item ID: 116768
$5,184
View Details
5.01 Ct. Blue Sapphire Ring, 18K White Gold 1
5.01 Ct. Blue Sapphire Ring, 18K White Gold 2
5.01 Ct. Blue Sapphire Ring, 18K White Gold 3
5.01 Ct. Blue Sapphire Ring, 18K White Gold 4
5.01 Ct. Sapphire 18K White Gold ring
Item ID: 143104
$17,885
View Details
3.37 Ct. Blue Sapphire Ring, 18K White Gold 1
3.37 Ct. Blue Sapphire Ring, 18K White Gold 2
3.37 Ct. Blue Sapphire Ring, 18K White Gold 3
3.37 Ct. Blue Sapphire Ring, 18K White Gold 4
3.37 Ct. Sapphire 18K White Gold ring
Item ID: 116686
$22,170
View Details
2.19 Ct. Green Sapphire Ring, 18K White Gold 1
2.19 Ct. Green Sapphire Ring, 18K White Gold 2
2.19 Ct. Green Sapphire Ring, 18K White Gold 3
2.19 Ct. Green Sapphire Ring, 18K White Gold 4
2.19 Ct. Sapphire 18K White Gold ring
Item ID: 219291
$5,403
View Details
3.00 Ct. Color Change Sapphire Ring, 18K White Gold 1
3.00 Ct. Color Change Sapphire Ring, 18K White Gold 2
3.00 Ct. Color Change Sapphire Ring, 18K White Gold 3
3.00 Ct. Color Change Sapphire Ring, 18K White Gold 4
3.00 Ct. Sapphire 18K White Gold ring
Item ID: 156276
$7,023
View Details
2.06 Ct. Greenish Blue Sapphire Ring, 18K White Gold 1
2.06 Ct. Greenish Blue Sapphire Ring, 18K White Gold 2
2.06 Ct. Greenish Blue Sapphire Ring, 18K White Gold 3
2.06 Ct. Greenish Blue Sapphire Ring, 18K White Gold 4
2.06 Ct. Sapphire 18K White Gold ring
Item ID: 100334
$5,799
View Details
2.00 Ct. Padparadscha Sapphire Ring, 18K White Gold 1
2.00 Ct. Padparadscha Sapphire Ring, 18K White Gold 2
2.00 Ct. Padparadscha Sapphire Ring, 18K White Gold 3
2.00 Ct. Padparadscha Sapphire Ring, 18K White Gold 4
2.00 Ct. Sapphire 18K White Gold ring
Item ID: 200375
$6,729
View Details
2.06 Ct. Greenish Blue Sapphire Ring, 18K White Gold 1
2.06 Ct. Greenish Blue Sapphire Ring, 18K White Gold 2
2.06 Ct. Greenish Blue Sapphire Ring, 18K White Gold 3
2.06 Ct. Greenish Blue Sapphire Ring, 18K White Gold 4
2.06 Ct. Sapphire 18K White Gold ring
Item ID: 100338
$5,784
View Details
1.51 Ct. Blue Sapphire Ring, 18K White Gold 1
1.51 Ct. Blue Sapphire Ring, 18K White Gold 2
1.51 Ct. Blue Sapphire Ring, 18K White Gold 3
1.51 Ct. Blue Sapphire Ring, 18K White Gold 4
1.51 Ct. Sapphire 18K White Gold ring
Item ID: 86460
$5,309
View Details
2.54 Ct. Bluish Green Sapphire Ring, 18K White Gold 1
2.54 Ct. Bluish Green Sapphire Ring, 18K White Gold 2
2.54 Ct. Bluish Green Sapphire Ring, 18K White Gold 3
2.54 Ct. Bluish Green Sapphire Ring, 18K White Gold 4
2.54 Ct. Sapphire 18K White Gold ring
Item ID: 100342
$6,158
View Details
0.72 Ct. Greyish Blue Sapphire Ring, 18K White Gold 1
0.72 Ct. Greyish Blue Sapphire Ring, 18K White Gold 2
0.72 Ct. Greyish Blue Sapphire Ring, 18K White Gold 3
0.72 Ct. Greyish Blue Sapphire Ring, 18K White Gold 4
0.72 Ct. Sapphire 18K White Gold ring
Item ID: 218114
$2,853
View Details
2.45 Ct. Pink Sapphire Ring, 18K White Gold 1
2.45 Ct. Pink Sapphire Ring, 18K White Gold 2
2.45 Ct. Pink Sapphire Ring, 18K White Gold 3
2.45 Ct. Pink Sapphire Ring, 18K White Gold 4
2.45 Ct. Sapphire 18K White Gold ring
Item ID: 100372
$2,856
View Details
1.12 Ct. Purple Sapphire Ring, 18K White Gold 1
1.12 Ct. Purple Sapphire Ring, 18K White Gold 2
1.12 Ct. Purple Sapphire Ring, 18K White Gold 3
1.12 Ct. Purple Sapphire Ring, 18K White Gold 4
1.12 Ct. Sapphire 18K White Gold ring
Item ID: 218084
$3,608
View Details
1.52 Ct. Padparadscha Sapphire Ring, 18K White Gold 1
1.52 Ct. Padparadscha Sapphire Ring, 18K White Gold 2
1.52 Ct. Padparadscha Sapphire Ring, 18K White Gold 3
1.52 Ct. Padparadscha Sapphire Ring, 18K White Gold 4
1.52 Ct. Sapphire 18K White Gold ring
Item ID: 207781
$7,948
View Details
1.45 Ct. Purplish Blue Sapphire Ring, 18K White Gold 1
1.45 Ct. Purplish Blue Sapphire Ring, 18K White Gold 2
1.45 Ct. Purplish Blue Sapphire Ring, 18K White Gold 3
1.45 Ct. Purplish Blue Sapphire Ring, 18K White Gold 4
1.45 Ct. Sapphire 18K White Gold ring
Item ID: 116912
$2,926
View Details
1.10 Ct. Greyish Blue Sapphire Ring, 18K White Gold 1
1.10 Ct. Greyish Blue Sapphire Ring, 18K White Gold 2
1.10 Ct. Greyish Blue Sapphire Ring, 18K White Gold 3
1.10 Ct. Greyish Blue Sapphire Ring, 18K White Gold 4
1.10 Ct. Sapphire 18K White Gold ring
Item ID: 202520
$3,023
View Details
1.64 Ct. Blue Sapphire Ring, 18K White Gold 1
1.64 Ct. Blue Sapphire Ring, 18K White Gold 2
1.64 Ct. Blue Sapphire Ring, 18K White Gold 3
1.64 Ct. Blue Sapphire Ring, 18K White Gold 4
1.64 Ct. Sapphire 18K White Gold ring
Item ID: 210729
$5,943
View Details
1.82 Ct. Blue Sapphire Ring, 18K White Gold 1
1.82 Ct. Blue Sapphire Ring, 18K White Gold 2
1.82 Ct. Blue Sapphire Ring, 18K White Gold 3
1.82 Ct. Blue Sapphire Ring, 18K White Gold 4
1.82 Ct. Sapphire 18K White Gold ring
Item ID: 207772
$5,316
View Details
2.53 Ct. Blue Sapphire Ring, 18K White Gold 1
2.53 Ct. Blue Sapphire Ring, 18K White Gold 2
2.53 Ct. Blue Sapphire Ring, 18K White Gold 3
2.53 Ct. Blue Sapphire Ring, 18K White Gold 4
2.53 Ct. Sapphire 18K White Gold ring
Item ID: 210662
$9,586
View Details
0.55 Ct. Blue Sapphire Ring, 18K White Gold 1
0.55 Ct. Blue Sapphire Ring, 18K White Gold 2
0.55 Ct. Blue Sapphire Ring, 18K White Gold 3
0.55 Ct. Blue Sapphire Ring, 18K White Gold 4
0.55 Ct. Sapphire 18K White Gold ring
Item ID: 212175
$2,132
View Details
1
...
184185186187188189190
...
723

Our Customers Love Us

See what people are saying on Google and Verified Reviews