1.8 Carat Cushion Lab Grown Diamonds

Search over 1,300 1.8 Carat Cushion lab grown diamonds from 10 online retailers.Prices typically range from $457 to $4,980 depending on the diamond's shape, color, clarity, and other factors.For broader market trends, check our Diamond Price Indexes.

1.8 Carat Cushion Lab Grown Diamonds Available

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Showing up to 50 of 1,300 offers.

1.75ct | Cushion | E | VS2 | Ideal

1.75ct | Cushion | E | VS2 | Ideal

From $457

Compare at $1,790

1.83ct | Cushion | E | VS2 | Ideal

1.83ct | Cushion | E | VS2 | Ideal

From $478

Compare at $2,040

1.75ct | Cushion | F | VS1 | Ideal

1.75ct | Cushion | F | VS1 | Ideal

From $483

Compare at $2,290

1.76ct | Cushion | F | VS1 | Ideal

1.76ct | Cushion | F | VS1 | Ideal

From $487

Compare at $2,390

1.75ct | Cushion | D | VVS2 | Ideal

1.75ct | Cushion | D | VVS2 | Ideal

From $489

Compare at $3,770

1.77ct | Cushion | G | SI2 | Very Good

From $489

Compare at $1,740

1.77ct | Cushion | E | VS2 | Very Good

1.77ct | Cushion | E | VS2 | Very Good

From $489

Compare at $1,305

1.79ct | Cushion | F | VVS2 | Ideal

1.79ct | Cushion | F | VVS2 | Ideal

From $489

Compare at $2,580

1.82ct | Cushion | E | VS1 | Ideal

1.82ct | Cushion | E | VS1 | Ideal

From $489

Compare at $1,233

1.83ct | Cushion | G | SI1 | Very Good

1.83ct | Cushion | G | SI1 | Very Good

From $490

Compare at $2,340

1.76ct | Cushion | E | VVS2 | Ideal

1.76ct | Cushion | E | VVS2 | Ideal

From $490

Compare at $2,960

1.76ct | Cushion | E | VVS2 | Ideal

1.76ct | Cushion | E | VVS2 | Ideal

From $490

Compare at $2,870

1.78ct | Cushion | D | VS1 | Ideal

1.78ct | Cushion | D | VS1 | Ideal

From $490

Compare at $2,630

1.77ct | Cushion | D | VVS2 | Ideal

1.77ct | Cushion | D | VVS2 | Ideal

From $492

Compare at $3,810

1.77ct | Cushion | E | VVS2 | Ideal

1.77ct | Cushion | E | VVS2 | Ideal

From $492

Compare at $3,340

1.77ct | Cushion | E | VVS2 | Ideal

1.77ct | Cushion | E | VVS2 | Ideal

From $492

Compare at $3,340

1.77ct | Cushion | E | VVS2 | Ideal

1.77ct | Cushion | E | VVS2 | Ideal

From $492

Compare at $2,420

1.77ct | Cushion | D | VVS2 | Ideal

1.77ct | Cushion | D | VVS2 | Ideal

From $492

Compare at $3,810

1.77ct | Cushion | E | VVS2 | Ideal

1.77ct | Cushion | E | VVS2 | Ideal

From $492

Compare at $3,340

1.8ct | Cushion | E | SI1 | Ideal

1.8ct | Cushion | E | SI1 | Ideal

From $493

Compare at $1,388

1.78ct | Cushion | E | VVS2 | Ideal

1.78ct | Cushion | E | VVS2 | Ideal

From $493

Compare at $3,360

1.78ct | Cushion | E | VVS2 | Ideal

1.78ct | Cushion | E | VVS2 | Ideal

From $493

Compare at $3,360

1.79ct | Cushion | E | VVS2 | Ideal

1.79ct | Cushion | E | VVS2 | Ideal

From $495

Compare at $3,370

1.78ct | Cushion | H | VVS2 | Ideal

1.78ct | Cushion | H | VVS2 | Ideal

From $495

Compare at $1,590

1.83ct | Cushion | F | VS1 | Ideal

1.83ct | Cushion | F | VS1 | Ideal

From $495

Compare at $2,260

1.83ct | Cushion | FANCY | VS1 | Ideal

1.83ct | Cushion | FANCY | VS1 | Ideal

From $496

Compare at $986

1.84ct | Cushion | F | VS1 | Very Good

1.84ct | Cushion | F | VS1 | Very Good

From $496

Compare at $2,930

1.84ct | Cushion | G | VS1 | Very Good

1.84ct | Cushion | G | VS1 | Very Good

From $496

Compare at $1,710

1.78ct | Cushion | G | VVS2 | Ideal

1.78ct | Cushion | G | VVS2 | Ideal

From $496

Compare at $2,060

1.81ct | Cushion | G | VS2 | Very Good

1.81ct | Cushion | G | VS2 | Very Good

From $496

Compare at $2,390

1.75ct | Cushion | D | VVS2 | Ideal

1.75ct | Cushion | D | VVS2 | Ideal

From $500

Compare at $3,770

1.75ct | Cushion | D | VVS2 | Ideal

1.75ct | Cushion | D | VVS2 | Ideal

From $500

Compare at $3,770

1.84ct | Cushion | F | VS1 | Ideal

1.84ct | Cushion | F | VS1 | Ideal

From $500

Compare at $2,910

1.77ct | Cushion | F | VS1 | Ideal

1.77ct | Cushion | F | VS1 | Ideal

From $501

Compare at $827

1.76ct | Cushion | D | VVS2 | Ideal

1.76ct | Cushion | D | VVS2 | Ideal

From $501

Compare at $3,790

1.76ct | Cushion | D | VVS2 | Ideal

1.76ct | Cushion | D | VVS2 | Ideal

From $501

Compare at $3,790

1.76ct | Cushion | D | VVS2 | Very Good

1.76ct | Cushion | D | VVS2 | Very Good

From $501

Compare at $729

1.81ct | Cushion | F | VVS2 | Very Good

1.81ct | Cushion | F | VVS2 | Very Good

From $502

Compare at $586

1.77ct | Cushion | D | VVS2 | Ideal

1.77ct | Cushion | D | VVS2 | Ideal

From $503

Compare at $3,810

1.78ct | Cushion | D | VVS2 | Ideal

1.78ct | Cushion | D | VVS2 | Ideal

From $505

Compare at $3,830

1.78ct | Cushion | D | VS1 | Very Good

1.78ct | Cushion | D | VS1 | Very Good

From $505

Compare at $583

1.81ct | Cushion | F | VVS2 | Very Good

1.81ct | Cushion | F | VVS2 | Very Good

From $505

Compare at $591

1.83ct | Cushion | E | VS1 | Excellent

1.83ct | Cushion | E | VS1 | Excellent

From $506

Compare at $2,490

1.78ct | Cushion | F | VS2 | Very Good

1.78ct | Cushion | F | VS2 | Very Good

From $506

Compare at $2,210

1.79ct | Cushion | D | VVS2 | Ideal

1.79ct | Cushion | D | VVS2 | Ideal

From $506

Compare at $3,860

1.82ct | Cushion | D | VVS2 | Very Good

1.82ct | Cushion | D | VVS2 | Very Good

From $508

Compare at $1,305

1.81ct | Cushion | F | VS2 | Ideal

1.81ct | Cushion | F | VS2 | Ideal

From $508

Compare at $2,540

1.8ct | Cushion | D | VVS2 | Ideal

1.8ct | Cushion | D | VVS2 | Ideal

From $508

Compare at $3,030

1.82ct | Cushion | D | VS2 | Ideal

1.82ct | Cushion | D | VS2 | Ideal

From $508

Compare at $2,940

1.81ct | Cushion | E | VS1 | Very Good

1.81ct | Cushion | E | VS1 | Very Good

From $510

Compare at $601

View All 1,300 Offers

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1.8ct Cushion Price Analysis All Cushion Lab Grown Cushion Natural Diamond Buying Guide