3 carat I color diamonds

Compare 3 carat I color diamonds prices for engagement rings. Save up to 40% on your purchase by shopping with AI price and quality scores.

Money-back
guarantee
GIA certified
diamonds
#1 on
Trustpilot
Free insured
shipping
3 carat I color diamonds

3 carat I color diamonds

Compare 3 carat I color diamonds prices for engagement rings. Save up to 40% on your purchase by shopping with AI price and quality scores.

Money-back
guarantee
GIA certified
diamonds
#1 on
Trustpilot
Free insured
shipping
654 diamonds found
3.01ct I SI2 Rare Carat Ideal Cut Round Diamond
Lowest Price
3.01 Carat · I · SI2
Rare Carat Ideal Cut
$8,290
Comp. value: $11,940
18/18 quality
3.02ct I SI2 Rare Carat Ideal Cut Round Diamond
3.02 Carat · I · SI2
Rare Carat Ideal Cut
$11,305
Comp. value: $16,285
18/18 quality
3.02ct I SI2 Rare Carat Ideal Cut Round Diamond
3.02 Carat · I · SI2
Rare Carat Ideal Cut
$11,465
Comp. value: $16,520
18/18 quality
3.01ct I SI2 Excellent Cut Round Diamond
3.01 Carat · I · SI2
Excellent Cut
$11,705
Comp. value: $16,865
17/18 quality
3.01ct I SI2 Rare Carat Ideal Cut Round Diamond
3.01 Carat · I · SI2
Rare Carat Ideal Cut
$11,795
Comp. value: $16,990
18/18 quality
3.00ct I SI2 Very Good Cut Round Diamond
3.00 Carat · I · SI2
Very Good Cut
$12,385
Comp. value: $17,845
15/18 quality
3.03ct I SI2 Very Good Cut Round Diamond
3.03 Carat · I · SI2
Very Good Cut
$12,985
Comp. value: $18,705
15/18 quality
3.20ct I SI2 Excellent Cut Round Diamond
3.20 Carat · I · SI2
Excellent Cut
$13,325
Comp. value: $19,200
17/18 quality
3.00ct I SI2 Very Good Cut Round Diamond
3.00 Carat · I · SI2
Very Good Cut
$13,645
Comp. value: $19,655
17/18 quality
3.01ct I SI2 Ideal Cut Round Diamond
3.01 Carat · I · SI2
Ideal Cut
$13,880
Comp. value: $20,000
17/18 quality
3.01ct I SI2 Excellent Cut Round Diamond
3.01 Carat · I · SI2
Excellent Cut
$14,260
Comp. value: $20,545
17/18 quality
3.00ct I SI1 Very Good Cut Round Diamond
3.00 Carat · I · SI1
Very Good Cut
$14,925
Comp. value: $21,500
17/18 quality
3.35ct I SI2 Very Good Cut Round Diamond
3.35 Carat · I · SI2
Very Good Cut
$14,990
Comp. value: $21,600
14/18 quality
3.50ct I SI2 Excellent Cut Round Diamond
3.50 Carat · I · SI2
Excellent Cut
$15,545
Comp. value: $22,560
17/18 quality
3.01ct I SI2 Excellent Cut Round Diamond
3.01 Carat · I · SI2
Excellent Cut
$15,680
Comp. value: $22,590
17/18 quality
3.04ct I SI2 Rare Carat Ideal Cut Round Diamond
3.04 Carat · I · SI2
Rare Carat Ideal Cut
$15,875
Comp. value: $22,875
18/18 quality
3.07ct I SI2 Very Good Cut Round Diamond
3.07 Carat · I · SI2
Very Good Cut
$16,070
Comp. value: $23,150
14/18 quality
3.01ct I SI2 Rare Carat Ideal Cut Round Diamond
3.01 Carat · I · SI2
Rare Carat Ideal Cut
$16,110
Comp. value: $23,210
18/18 quality
3.01ct I SI2 Rare Carat Ideal Cut Round Diamond
3.01 Carat · I · SI2
Rare Carat Ideal Cut
$16,845
Comp. value: $24,270
18/18 quality
3.51ct I SI2 Rare Carat Ideal Cut Round Diamond
3.51 Carat · I · SI2
Rare Carat Ideal Cut
$17,175
Comp. value: $24,925
18/18 quality
3.01ct I SI2 Rare Carat Ideal Cut Round Diamond
3.01 Carat · I · SI2
Rare Carat Ideal Cut
$17,350
Comp. value: $25,000
18/18 quality
3.22ct I SI2 Rare Carat Ideal Cut Round Diamond
3.22 Carat · I · SI2
Rare Carat Ideal Cut
$17,590
Comp. value: $25,340
18/18 quality
3.00ct I SI1 Excellent Cut Round Diamond
3.00 Carat · I · SI1
Excellent Cut
$17,615
Comp. value: $25,380
16/18 quality
3.01ct I SI1 Excellent Cut Round Diamond
3.01 Carat · I · SI1
Excellent Cut
$18,035
Comp. value: $25,985
17/18 quality
5.01ct I SI2 Rare Carat Ideal Cut Round Diamond
5.01 Carat · I · SI2
Rare Carat Ideal Cut
$18,510
Comp. value: $26,475
18/18 quality
3.00ct I SI2 Good Cut Round Diamond
3.00 Carat · I · SI2
Good Cut
$18,500
Comp. value: $26,655
11/18 quality
3.51ct I SI2 Excellent Cut Round Diamond
3.51 Carat · I · SI2
Excellent Cut
$18,495
Comp. value: $26,840
17/18 quality
3.01ct I SI1 Ideal Cut Round Diamond
3.01 Carat · I · SI1
Ideal Cut
$18,665
Comp. value: $26,895
17/18 quality
4.01ct I SI2 Excellent Cut Round Diamond
4.01 Carat · I · SI2
Excellent Cut
$19,065
Comp. value: $27,350
17/18 quality
3.34ct I SI2 Rare Carat Ideal Cut Round Diamond
3.34 Carat · I · SI2
Rare Carat Ideal Cut
$19,255
Comp. value: $27,745
18/18 quality
3.01ct I SI2 Excellent Cut Round Diamond
3.01 Carat · I · SI2
Excellent Cut
$19,520
Comp. value: $28,125
16/18 quality
3.56ct I SI2 Excellent Cut Round Diamond
3.56 Carat · I · SI2
Excellent Cut
$19,410
Comp. value: $28,170
17/18 quality
3.01ct I SI2 Excellent Cut Round Diamond
3.01 Carat · I · SI2
Excellent Cut
$19,665
Comp. value: $28,335
17/18 quality
3.01ct I VS2 Rare Carat Ideal Cut Round Diamond
3.01 Carat · I · VS2
Rare Carat Ideal Cut
$19,800
Comp. value: $28,530
18/18 quality
3.02ct I SI2 Rare Carat Ideal Cut Round Diamond
3.02 Carat · I · SI2
Rare Carat Ideal Cut
$20,085
Comp. value: $28,940
18/18 quality
3.09ct I SI1 Rare Carat Ideal Cut Round Diamond
3.09 Carat · I · SI1
Rare Carat Ideal Cut
$20,165
Comp. value: $29,050
18/18 quality
3.01ct I SI2 Very Good Cut Round Diamond
3.01 Carat · I · SI2
Very Good Cut
$20,440
Comp. value: $29,450
14/18 quality
3.01ct I SI2 Very Good Cut Round Diamond
3.01 Carat · I · SI2
Very Good Cut
$20,470
Comp. value: $29,490
15/18 quality
3.50ct I SI2 Excellent Cut Round Diamond
3.50 Carat · I · SI2
Excellent Cut
$20,455
Comp. value: $29,685
17/18 quality
3.00ct I SI2 Rare Carat Ideal Cut Round Diamond
3.00 Carat · I · SI2
Rare Carat Ideal Cut
$20,720
Comp. value: $29,855
18/18 quality
3.01ct I SI2 Rare Carat Ideal Cut Round Diamond
3.01 Carat · I · SI2
Rare Carat Ideal Cut
$20,775
Comp. value: $29,930
18/18 quality
3.01ct I SI1 Very Good Cut Round Diamond
3.01 Carat · I · SI1
Very Good Cut
$20,870
Comp. value: $30,070
14/18 quality
4.01ct I SI2 Very Good Cut Round Diamond
4.01 Carat · I · SI2
Very Good Cut
$21,105
Comp. value: $30,280
16/18 quality
3.01ct I VS2 Rare Carat Ideal Cut Round Diamond
3.01 Carat · I · VS2
Rare Carat Ideal Cut
$21,120
Comp. value: $30,430
18/18 quality
3.04ct I SI1 Rare Carat Ideal Cut Round Diamond
3.04 Carat · I · SI1
Rare Carat Ideal Cut
$21,225
Comp. value: $30,580
18/18 quality
3.00ct I SI2 Very Good Cut Round Diamond
3.00 Carat · I · SI2
Very Good Cut
$21,235
Comp. value: $30,595
14/18 quality
3.01ct I SI2 Rare Carat Ideal Cut Round Diamond
3.01 Carat · I · SI2
Rare Carat Ideal Cut
$21,290
Comp. value: $30,675
18/18 quality
3.01ct I SI1 Very Good Cut Round Diamond
3.01 Carat · I · SI1
Very Good Cut
$21,525
Comp. value: $31,010
14/18 quality
Compare millions of diamonds
to find the best deal

Browse our full catalogue of 3 carat I color diamonds

Shop by carat weight

Shop by shape

Shop by color

Shop by clarity

Get $100 off
Stay up to date with exclusive deals, price alerts, gemologist tips, and more!
Minimum purchase required.
By signing up you agree to our Terms.