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!

39733 results
Sale Items
Change view:
Sort by:
Select
4.09 Ct. Blue Sapphire Ring, 18K White Gold 1
4.09 Ct. Blue Sapphire Ring, 18K White Gold 2
4.09 Ct. Blue Sapphire Ring, 18K White Gold 3
4.09 Ct. Blue Sapphire Ring, 18K White Gold 4
4.09 Ct. Sapphire 18K White Gold ring
Item ID: 205088
$8,040
View Details
2.30 Ct. Green Sapphire Ring, 18K White Gold 1
2.30 Ct. Green Sapphire Ring, 18K White Gold 2
2.30 Ct. Green Sapphire Ring, 18K White Gold 3
2.30 Ct. Green Sapphire Ring, 18K White Gold 4
2.30 Ct. Sapphire 18K White Gold ring
Item ID: 211056
$4,723
View Details
0.79 Ct. Bi Color Sapphire Ring, 18K White Gold 1
0.79 Ct. Bi Color Sapphire Ring, 18K White Gold 2
0.79 Ct. Bi Color Sapphire Ring, 18K White Gold 3
0.79 Ct. Bi Color Sapphire Ring, 18K White Gold 4
0.79 Ct. Sapphire 18K White Gold ring
Item ID: 205106
$1,807
View Details
1.54 Ct. Pink Sapphire Ring, 18K White Gold 1
1.54 Ct. Pink Sapphire Ring, 18K White Gold 2
1.54 Ct. Pink Sapphire Ring, 18K White Gold 3
1.54 Ct. Pink Sapphire Ring, 18K White Gold 4
1.54 Ct. Sapphire 18K White Gold ring
Item ID: 201014
$6,925
View Details
1.41 Ct. Pink Sapphire Ring, 18K White Gold 1
1.41 Ct. Pink Sapphire Ring, 18K White Gold 2
1.41 Ct. Pink Sapphire Ring, 18K White Gold 3
1.41 Ct. Pink Sapphire Ring, 18K White Gold 4
1.41 Ct. Sapphire 18K White Gold ring
Item ID: 6628
$4,438
View Details
3.48 Ct. Blue Sapphire Ring, 18K White Gold 1
3.48 Ct. Blue Sapphire Ring, 18K White Gold 2
3.48 Ct. Blue Sapphire Ring, 18K White Gold 3
3.48 Ct. Blue Sapphire Ring, 18K White Gold 4
3.48 Ct. Sapphire 18K White Gold ring
Item ID: 173490
$13,610
View Details
6.27 Ct. Greyish Blue Sapphire Ring, 18K White Gold 1
6.27 Ct. Greyish Blue Sapphire Ring, 18K White Gold 2
6.27 Ct. Greyish Blue Sapphire Ring, 18K White Gold 3
6.27 Ct. Greyish Blue Sapphire Ring, 18K White Gold 4
6.27 Ct. Sapphire 18K White Gold ring
Item ID: 135019
$3,671
View Details
2.00 Ct. Blue Sapphire Ring, 18K White Gold 1
2.00 Ct. Blue Sapphire Ring, 18K White Gold 2
2.00 Ct. Blue Sapphire Ring, 18K White Gold 3
2.00 Ct. Blue Sapphire Ring, 18K White Gold 4
2.00 Ct. Sapphire 18K White Gold ring
Item ID: 220629
$9,962
View Details
1.82 Ct. Pink Sapphire Ring, 18K White Gold 1
1.82 Ct. Pink Sapphire Ring, 18K White Gold 2
1.82 Ct. Pink Sapphire Ring, 18K White Gold 3
1.82 Ct. Pink Sapphire Ring, 18K White Gold 4
1.82 Ct. Sapphire 18K White Gold ring
Item ID: 182816
$4,265
View Details
2.69 Ct. Blue Sapphire Ring, 18K White Gold 1
2.69 Ct. Blue Sapphire Ring, 18K White Gold 2
2.69 Ct. Blue Sapphire Ring, 18K White Gold 3
2.69 Ct. Blue Sapphire Ring, 18K White Gold 4
2.69 Ct. Sapphire 18K White Gold ring
Item ID: 187574
$6,082
View Details
1.62 Ct. Padparadscha Sapphire Ring, 18K White Gold 1
1.62 Ct. Padparadscha Sapphire Ring, 18K White Gold 2
1.62 Ct. Padparadscha Sapphire Ring, 18K White Gold 3
1.62 Ct. Padparadscha Sapphire Ring, 18K White Gold 4
1.62 Ct. Sapphire 18K White Gold ring
Item ID: 205110
$7,595
View Details
2.02 Ct. Purplish Pink Sapphire Ring, 18K White Gold 1
2.02 Ct. Purplish Pink Sapphire Ring, 18K White Gold 2
2.02 Ct. Purplish Pink Sapphire Ring, 18K White Gold 3
2.02 Ct. Purplish Pink Sapphire Ring, 18K White Gold 4
2.02 Ct. Sapphire 18K White Gold ring
Item ID: 143259
$7,550
View Details
1.62 Ct. Padparadscha Sapphire Ring, 18K White Gold 1
1.62 Ct. Padparadscha Sapphire Ring, 18K White Gold 2
1.62 Ct. Padparadscha Sapphire Ring, 18K White Gold 3
1.62 Ct. Padparadscha Sapphire Ring, 18K White Gold 4
1.62 Ct. Sapphire 18K White Gold ring
Item ID: 205112
$7,232
View Details
2.02 Ct. Purplish Pink Sapphire Ring, 18K White Gold 1
2.02 Ct. Purplish Pink Sapphire Ring, 18K White Gold 2
2.02 Ct. Purplish Pink Sapphire Ring, 18K White Gold 3
2.02 Ct. Purplish Pink Sapphire Ring, 18K White Gold 4
2.02 Ct. Sapphire 18K White Gold ring
Item ID: 214881
$9,888
View Details
0.59 Ct. Green Sapphire Ring, 18K White Gold 1
0.59 Ct. Green Sapphire Ring, 18K White Gold 2
0.59 Ct. Green Sapphire Ring, 18K White Gold 3
0.59 Ct. Green Sapphire Ring, 18K White Gold 4
0.59 Ct. Sapphire 18K White Gold ring
Item ID: 201573
$1,984
View Details
2.14 Ct. Blue Sapphire Ring, 18K White Gold 1
2.14 Ct. Blue Sapphire Ring, 18K White Gold 2
2.14 Ct. Blue Sapphire Ring, 18K White Gold 3
2.14 Ct. Blue Sapphire Ring, 18K White Gold 4
2.14 Ct. Sapphire 18K White Gold ring
Item ID: 95139
$7,302
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: 194010
$21,892
View Details
2.14 Ct. Blue Sapphire Ring, 18K White Gold 1
2.14 Ct. Blue Sapphire Ring, 18K White Gold 2
2.14 Ct. Blue Sapphire Ring, 18K White Gold 3
2.14 Ct. Blue Sapphire Ring, 18K White Gold 4
2.14 Ct. Sapphire 18K White Gold ring
Item ID: 73288
$7,684
View Details
9.28 Ct. Blue Sapphire Ring, 18K White Gold 1
9.28 Ct. Blue Sapphire Ring, 18K White Gold 2
9.28 Ct. Blue Sapphire Ring, 18K White Gold 3
9.28 Ct. Blue Sapphire Ring, 18K White Gold 4
9.28 Ct. Sapphire 18K White Gold ring
Item ID: 194014
$75,334
View Details
4.16 Ct. Padparadscha Sapphire Ring, 18K White Gold 1
4.16 Ct. Padparadscha Sapphire Ring, 18K White Gold 2
4.16 Ct. Padparadscha Sapphire Ring, 18K White Gold 3
4.16 Ct. Padparadscha Sapphire Ring, 18K White Gold 4
4.16 Ct. Sapphire 18K White Gold ring
Item ID: 219858
$20,900
View Details
1.32 Ct. Blue Sapphire Ring, 18K White Gold 1
1.32 Ct. Blue Sapphire Ring, 18K White Gold 2
1.32 Ct. Blue Sapphire Ring, 18K White Gold 3
1.32 Ct. Blue Sapphire Ring, 18K White Gold 4
1.32 Ct. Sapphire 18K White Gold ring
Item ID: 213472
$3,225
View Details
4.16 Ct. Padparadscha Sapphire Ring, 18K White Gold 1
4.16 Ct. Padparadscha Sapphire Ring, 18K White Gold 2
4.16 Ct. Padparadscha Sapphire Ring, 18K White Gold 3
4.16 Ct. Padparadscha Sapphire Ring, 18K White Gold 4
4.16 Ct. Sapphire 18K White Gold ring
Item ID: 176722
$20,139
View Details
0.49 Ct. Blue Sapphire Ring, 18K White Gold 1
0.49 Ct. Blue Sapphire Ring, 18K White Gold 2
0.49 Ct. Blue Sapphire Ring, 18K White Gold 3
0.49 Ct. Blue Sapphire Ring, 18K White Gold 4
0.49 Ct. Sapphire 18K White Gold ring
Item ID: 205117
$3,691
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: 193213
$8,434
View Details
1.58 Ct. Yellowish Green Sapphire Ring, 18K White Gold 1
1.58 Ct. Yellowish Green Sapphire Ring, 18K White Gold 2
1.58 Ct. Yellowish Green Sapphire Ring, 18K White Gold 3
1.58 Ct. Yellowish Green Sapphire Ring, 18K White Gold 4
1.58 Ct. Sapphire 18K White Gold ring
Item ID: 205132
$2,404
View Details
1.81 Ct. Peach Sapphire Ring, 18K White Gold 1
1.81 Ct. Peach Sapphire Ring, 18K White Gold 2
1.81 Ct. Peach Sapphire Ring, 18K White Gold 3
1.81 Ct. Peach Sapphire Ring, 18K White Gold 4
1.81 Ct. Sapphire 18K White Gold ring
Item ID: 209010
$4,380
View Details
1.10 Ct. Bluish Green Sapphire Ring, 18K White Gold 1
1.10 Ct. Bluish Green Sapphire Ring, 18K White Gold 2
1.10 Ct. Bluish Green Sapphire Ring, 18K White Gold 3
1.10 Ct. Bluish Green Sapphire Ring, 18K White Gold 4
1.10 Ct. Sapphire 18K White Gold ring
Item ID: 208351
$4,517
View Details
3.07 Ct. Blue Sapphire Ring, 18K White Gold 1
3.07 Ct. Blue Sapphire Ring, 18K White Gold 2
3.07 Ct. Blue Sapphire Ring, 18K White Gold 3
3.07 Ct. Blue Sapphire Ring, 18K White Gold 4
3.07 Ct. Sapphire 18K White Gold ring
Item ID: 153925
$8,978
View Details
3.24 Ct. Greenish Blue Sapphire Ring, 18K White Gold 1
3.24 Ct. Greenish Blue Sapphire Ring, 18K White Gold 2
3.24 Ct. Greenish Blue Sapphire Ring, 18K White Gold 3
3.24 Ct. Greenish Blue Sapphire Ring, 18K White Gold 4
3.24 Ct. Sapphire 18K White Gold ring
Item ID: 213551
$10,585
View Details
5.09 Ct. Pink Sapphire Ring, 18K White Gold 1
5.09 Ct. Pink Sapphire Ring, 18K White Gold 2
5.09 Ct. Pink Sapphire Ring, 18K White Gold 3
5.09 Ct. Pink Sapphire Ring, 18K White Gold 4
5.09 Ct. Sapphire 18K White Gold ring
Item ID: 217274
$14,728
View Details
1.06 Ct. Greenish Yellow Sapphire Ring, 18K White Gold 1
1.06 Ct. Greenish Yellow Sapphire Ring, 18K White Gold 2
1.06 Ct. Greenish Yellow Sapphire Ring, 18K White Gold 3
1.06 Ct. Greenish Yellow Sapphire Ring, 18K White Gold 4
1.06 Ct. Sapphire 18K White Gold ring
Item ID: 208406
$3,541
View Details
0.84 Ct. Blue Sapphire Ring, 18K White Gold 1
0.84 Ct. Blue Sapphire Ring, 18K White Gold 2
0.84 Ct. Blue Sapphire Ring, 18K White Gold 3
0.84 Ct. Blue Sapphire Ring, 18K White Gold 4
0.84 Ct. Sapphire 18K White Gold ring
Item ID: 186059
$3,057
View Details
2.24 Ct. Pink Sapphire Ring, 18K White Gold 1
2.24 Ct. Pink Sapphire Ring, 18K White Gold 2
2.24 Ct. Pink Sapphire Ring, 18K White Gold 3
2.24 Ct. Pink Sapphire Ring, 18K White Gold 4
2.24 Ct. Sapphire 18K White Gold ring
Item ID: 211054
$5,909
View Details
0.91 Ct. Blue Sapphire Ring, 18K White Gold 1
0.91 Ct. Blue Sapphire Ring, 18K White Gold 2
0.91 Ct. Blue Sapphire Ring, 18K White Gold 3
0.91 Ct. Blue Sapphire Ring, 18K White Gold 4
0.91 Ct. Sapphire 18K White Gold ring
Item ID: 165175
$2,516
View Details
2.08 Ct. Bluish Green Sapphire Ring, 18K White Gold 1
2.08 Ct. Bluish Green Sapphire Ring, 18K White Gold 2
2.08 Ct. Bluish Green Sapphire Ring, 18K White Gold 3
2.08 Ct. Bluish Green Sapphire Ring, 18K White Gold 4
2.08 Ct. Sapphire 18K White Gold ring
Item ID: 215369
$5,518
View Details
0.91 Ct. Blue Sapphire Ring, 18K White Gold 1
0.91 Ct. Blue Sapphire Ring, 18K White Gold 2
0.91 Ct. Blue Sapphire Ring, 18K White Gold 3
0.91 Ct. Blue Sapphire Ring, 18K White Gold 4
0.91 Ct. Sapphire 18K White Gold ring
Item ID: 195404
$3,095
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: 155269
$6,156
View Details
3.09 Ct. Pink Sapphire Ring, 18K White Gold 1
3.09 Ct. Pink Sapphire Ring, 18K White Gold 2
3.09 Ct. Pink Sapphire Ring, 18K White Gold 3
3.09 Ct. Pink Sapphire Ring, 18K White Gold 4
3.09 Ct. Sapphire 18K White Gold ring
Item ID: 217525
$8,773
View Details
1.72 Ct. Greenish Blue Sapphire Ring, 18K White Gold 1
1.72 Ct. Greenish Blue Sapphire Ring, 18K White Gold 2
1.72 Ct. Greenish Blue Sapphire Ring, 18K White Gold 3
1.72 Ct. Greenish Blue Sapphire Ring, 18K White Gold 4
1.72 Ct. Sapphire 18K White Gold ring
Item ID: 155265
$5,975
View Details
0.70 Ct. Bluish Green Sapphire Ring, 18K White Gold 1
0.70 Ct. Bluish Green Sapphire Ring, 18K White Gold 2
0.70 Ct. Bluish Green Sapphire Ring, 18K White Gold 3
0.70 Ct. Bluish Green Sapphire Ring, 18K White Gold 4
0.70 Ct. Sapphire 18K White Gold ring
Item ID: 171790
$3,074
View Details
0.79 Ct. Peach Sapphire Ring, 18K White Gold 1
0.79 Ct. Peach Sapphire Ring, 18K White Gold 2
0.79 Ct. Peach Sapphire Ring, 18K White Gold 3
0.79 Ct. Peach Sapphire Ring, 18K White Gold 4
0.79 Ct. Sapphire 18K White Gold ring
Item ID: 155239
$2,030
View Details
0.93 Ct. Green Sapphire Ring, 18K White Gold 1
0.93 Ct. Green Sapphire Ring, 18K White Gold 2
0.93 Ct. Green Sapphire Ring, 18K White Gold 3
0.93 Ct. Green Sapphire Ring, 18K White Gold 4
0.93 Ct. Sapphire 18K White Gold ring
Item ID: 172653
$2,091
View Details
1.85 Ct. Bi Color Sapphire Ring, 18K White Gold 1
1.85 Ct. Bi Color Sapphire Ring, 18K White Gold 2
1.85 Ct. Bi Color Sapphire Ring, 18K White Gold 3
1.85 Ct. Bi Color Sapphire Ring, 18K White Gold 4
1.85 Ct. Sapphire 18K White Gold ring
Item ID: 208292
$4,597
View Details
0.57 Ct. Blue Sapphire Ring, 18K White Gold 1
0.57 Ct. Blue Sapphire Ring, 18K White Gold 2
0.57 Ct. Blue Sapphire Ring, 18K White Gold 3
0.57 Ct. Blue Sapphire Ring, 18K White Gold 4
0.57 Ct. Sapphire 18K White Gold ring
Item ID: 172072
$3,152
View Details
1.59 Ct. Blue Sapphire Ring, 18K White Gold 1
1.59 Ct. Blue Sapphire Ring, 18K White Gold 2
1.59 Ct. Blue Sapphire Ring, 18K White Gold 3
1.59 Ct. Blue Sapphire Ring, 18K White Gold 4
1.59 Ct. Sapphire 18K White Gold ring
Item ID: 205056
$6,095
View Details
0.69 Ct. Greenish Blue Sapphire Ring, 18K White Gold 1
0.69 Ct. Greenish Blue Sapphire Ring, 18K White Gold 2
0.69 Ct. Greenish Blue Sapphire Ring, 18K White Gold 3
0.69 Ct. Greenish Blue Sapphire Ring, 18K White Gold 4
0.69 Ct. Sapphire 18K White Gold ring
Item ID: 171558
$2,498
View Details
1.59 Ct. Blue Sapphire Ring, 18K White Gold 1
1.59 Ct. Blue Sapphire Ring, 18K White Gold 2
1.59 Ct. Blue Sapphire Ring, 18K White Gold 3
1.59 Ct. Blue Sapphire Ring, 18K White Gold 4
1.59 Ct. Sapphire 18K White Gold ring
Item ID: 205053
$6,139
View Details
5.28 Ct. Blue Sapphire Ring, 18K White Gold 1
5.28 Ct. Blue Sapphire Ring, 18K White Gold 2
5.28 Ct. Blue Sapphire Ring, 18K White Gold 3
5.28 Ct. Blue Sapphire Ring, 18K White Gold 4
5.28 Ct. Sapphire 18K White Gold ring
Item ID: 127243
$31,386
View Details
2.13 Ct. Bluish Purple Sapphire Ring, 18K White Gold 1
2.13 Ct. Bluish Purple Sapphire Ring, 18K White Gold 2
2.13 Ct. Bluish Purple Sapphire Ring, 18K White Gold 3
2.13 Ct. Bluish Purple Sapphire Ring, 18K White Gold 4
2.13 Ct. Sapphire 18K White Gold ring
Item ID: 184779
$2,655
View Details
1.71 Ct. Purple Sapphire Ring, 18K White Gold 1
1.71 Ct. Purple Sapphire Ring, 18K White Gold 2
1.71 Ct. Purple Sapphire Ring, 18K White Gold 3
1.71 Ct. Purple Sapphire Ring, 18K White Gold 4
1.71 Ct. Sapphire 18K White Gold ring
Item ID: 173124
$3,137
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: 120499
$4,159
View Details
1.15 Ct. Greenish Blue Sapphire Ring, 18K White Gold 1
1.15 Ct. Greenish Blue Sapphire Ring, 18K White Gold 2
1.15 Ct. Greenish Blue Sapphire Ring, 18K White Gold 3
1.15 Ct. Greenish Blue Sapphire Ring, 18K White Gold 4
1.15 Ct. Sapphire 18K White Gold ring
Item ID: 173019
$2,229
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: 157847
$4,716
View Details
1.37 Ct. Greenish Blue Sapphire Ring, 18K White Gold 1
1.37 Ct. Greenish Blue Sapphire Ring, 18K White Gold 2
1.37 Ct. Greenish Blue Sapphire Ring, 18K White Gold 3
1.37 Ct. Greenish Blue Sapphire Ring, 18K White Gold 4
1.37 Ct. Sapphire 18K White Gold ring
Item ID: 187302
$4,484
View Details
3.49 Ct. Blue Sapphire Ring, 18K White Gold 1
3.49 Ct. Blue Sapphire Ring, 18K White Gold 2
3.49 Ct. Blue Sapphire Ring, 18K White Gold 3
3.49 Ct. Blue Sapphire Ring, 18K White Gold 4
3.49 Ct. Sapphire 18K White Gold ring
Item ID: 184792
$5,509
View Details
0.98 Ct. Purple Sapphire Ring, 18K White Gold 1
0.98 Ct. Purple Sapphire Ring, 18K White Gold 2
0.98 Ct. Purple Sapphire Ring, 18K White Gold 3
0.98 Ct. Purple Sapphire Ring, 18K White Gold 4
0.98 Ct. Sapphire 18K White Gold ring
Item ID: 175727
$3,248
View Details
0.92 Ct. Greyish Blue Sapphire Ring, 18K White Gold 1
0.92 Ct. Greyish Blue Sapphire Ring, 18K White Gold 2
0.92 Ct. Greyish Blue Sapphire Ring, 18K White Gold 3
0.92 Ct. Greyish Blue Sapphire Ring, 18K White Gold 4
0.92 Ct. Sapphire 18K White Gold ring
Item ID: 174490
$1,738
View Details
0.76 Ct. Bluish Green Sapphire Ring, 18K White Gold 1
0.76 Ct. Bluish Green Sapphire Ring, 18K White Gold 2
0.76 Ct. Bluish Green Sapphire Ring, 18K White Gold 3
0.76 Ct. Bluish Green Sapphire Ring, 18K White Gold 4
0.76 Ct. Sapphire 18K White Gold ring
Item ID: 175308
$3,852
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: 180195
$11,309
View Details
1.83 Ct. Green Sapphire Ring, 18K White Gold 1
1.83 Ct. Green Sapphire Ring, 18K White Gold 2
1.83 Ct. Green Sapphire Ring, 18K White Gold 3
1.83 Ct. Green Sapphire Ring, 18K White Gold 4
1.83 Ct. Sapphire 18K White Gold ring
Item ID: 175615
$5,143
View Details
1
...
382383384385386387388
...
663

Our Customers Love Us

See what people are saying on Google and Verified Reviews