Round

Mauboussin

The most popular shape with brides, the round-often called the round brilliant-has triangular facets, arranged to direct light from the bottom of the stone up through the top for maximum sparkle. Matt Damon proposed to Luciana Barroso with a three stone round diamond ring.

.30-carat diamond in 18kt white gold, Mauboussin, price upon request; 212-752-4300.

Courtesy of Mauboussin

Harry Winston

3.85-total-carat-weight diamonds in platinum, Harry Winston, price upon request; 800-988-4110 for stores.

Courtesy of Harry Winston

Round

1.5-carat brilliant-cut diamond and .57-total-carat-weight side stones in platinum, Scott Kay, $19,700; scottkay.com for stores.

James Worrell

Harry Winston

1-carat diamond in platinum, Harry Winston, price upon request; 800-988-4110 for stores.

Courtesy of Harry Winston

De Beers

1.04-carat diamond in platinum, De Beers, $12,000; debeers.com.

Courtesy of De Beers

Kwiat

1.16-carat diamond in platinum, Kwiat, $6,750; kwiat.com.

Courtesy of Kwiat

Doyle & Doyle

.75-carat diamond in 14kt yellow gold, Doyle & Doyle, $3,800; doyledoyle.com.

Courtesy of Doyle & Doyle

Tiffany & Co.

1-carat Bezet diamond in platinum, Tiffany & Co., $9,200; tiffany.com.

Courtesy of Tiffany & Co.

Tacori

2-carat diamond in platinum, Tacori, price upon request; tacori.com.

Courtesy of Tacori

Charles Perrella

.85-carat sapphire with .54-total-carat-weight diamonds in 18kt white gold with rhodium finish, Charles Perrella, $2,925; clay-pot.com.

Courtesy of The Clay Pot

Simon G.

Diamond and .31-total-carat-weight pave diamonds in 18kt white gold, Simon G., price upon request; simongjewelry.com.

Courtesy of Simon G.

De Beers

3.02-carat brilliant-cut diamond and .71-total-carat-weight tapered baguettes in platinum, De Beers, $255,000; debeers.com.

Courtesy of De Beers

Bulgari

.3-carat brilliant-cut diamond in platinum, Bulgari, price upon request; 800-285-4274 or bulgari.com.

Courtesy of Bulgari

Gurhan

2.3-carat brilliant-cut diamond in 24kt yellow gold, Gurhan, price upon request; 602-955-8000.

Courtesy of Gurhan

Simon G.

Diamond and 1.22-total-carat-weight white and yellow pave diamonds in 18kt white and yellow gold, Simon G., price upon request; simongjewelry.com.

Courtesy of Simon G.

Bulgari

.3-carat brilliant-cut diamond and pave diamonds in platinum, Bulgari, price upon request; bulgari.com.

Courtesy of Bulgari

David Yurman

Custom diamond in platinum, David Yurman, price upon request; davidyurman.com.

Courtesy of David Yurman

Blue Nile

1.5-total-carat-weight ideal-cut diamonds in platinum, Blue Nile, $7,200; bluenile.com.

Courtesy of Blue Nile

Suzanne Felsen

.50-carat diamond and .24-total-carat-weight side stones in platinum, Suzanne Felsen, price upon request; suzannefelsen.com.

Courtesy of Suzanne Felsen

Tacori

1-carat round diamond and .30-total-carat-weight pave diamonds in platinum, Tacori, $8,460; tacori.com.

Courtesy of Tacori

Tiffany & Co.

.60-carat diamond in platinum, Tiffany amp Co., $3,925; Tiffany.com.

Courtesy of Tiffany & Co.

Donna DiStefano Ltd.

1.5-carat rose-cut sapphire in 18kt yellow gold, Donna Distefano Ltd., $2,200; donnadistefanoltd.com.

Courtesy of Donna DiStefano

Suzanne Felsen

1.11-carat cognac diamond with .13-total-carat-weight diamonds in yellow gold, Suzanne Felsen, price upon request; suzannefelsen.com.

Courtesy of Suzanne Felsen

Donna DiStefano Ltd.

2-total-carat-weight diamonds in 18kt white gold, Donna Distefano Ltd., $15,000; donnadistefanoltd.com.

Courtesy of Donna DiStefano

Tiffany & Co.

1-carat round brilliant-cut diamond in platinum and 18kt yellow gold, Tiffany & Co., $9,350; tiffany.com.

Courtesy of Tiffany & Co.

Dawes Design

.25-carat diamond in 18kt yellow gold, Dawes Design, $2,400; dawes-design.com.

Courtesy of Dawes Design

Simon G.

1-carat round diamond and .50-total-carat-weight marquise diamonds in 18kt white gold, Simon G., $2,090 (not including center stone); simongjewelry.com.

Courtesy of Simon G.

Attention-Getter

1.1-carat rose-cut diamond and .55-total-carat-weight Old European-cut diamonds in platinum, Karen Karch, $12,445; karenkarch.com.

Kenji Toma

Richard Landi

.44-carat brilliant-cut diamond and .34-total-carat-weight side stones in platinum, Richard Landi, $5,620; clay-pot.com.

Courtesy of The Clay Pot

Marian Maurer

.63-carat diamond in 18kt yellow gold, Marian Maurer, $4,620; clay-pot.com.

Courtesy of The Clay Pot

Roberto Coin

.50-carat diamond and .80-total-carat-weight diamonds in 18kt white gold, Roberto Coin, $8,400; 800-853-5958 for stores.

Courtesy of Roberto Coin

Round-Cut

1-carat diamond and 1.68-total-carat-weight diamonds in 19kt yellow gold, Scott Kay Vintage, price on request; 800-487-1584.

Ellen McDermott

Me & Ro

.3-total-carat-weight rose-cut diamonds in 18kt yellow gold, Me & Ro, $1,665; 917-237-9215.

Ellen McDermott

Doyle & Doyle

.50-carat diamond in platinum, Doyle amp Doyle, $2,950; doyledoyle.com.

Courtesy of Doyle & Doyle

Tacori

1.25-carat diamond and .30-total-carat-weight pink diamonds in platinum and 18kt rose gold, Tacori, $5,070 (not including center stone); tacori.com for locations.

Courtesy of Tacori

De Beers

0.44-total-carat-weight diamonds in rose gold, De Beers, $6,000; debeers.com.

Courtesy of De Beers

Suzanne Felsen

1.37-carat brilliant-cut cognac diamond and .29-total-carat-weight marquise-cut diamonds in platinum, Suzanne Felsen, $13,575; suzannefelsen.com.

Kenji Toma

Annie Fenerstock for Fragments

.25-carat round-cut diamond in 22kt yellow gold, Annie Fenerstock for Fragments, $3,405; 212-334-9588.

Kenji Toma

John Hardy

.44-total-carat-weight pave diamonds in sterilng silver, John Hardy, $1,495; 866-454-2739.

Kenji Toma

Understated Style

1-carat round-cut diamond and pave diamonds in platinum, Neil Lane, $15,000; 310-275-5015.

Kenji Toma

Mandarin Garnet

2-carat mandarin garnet in 18kt white gold, Suzanne Felsen, $3,500; 310-315-1972.

Kenji Toma

Christopher Designs

1.08-carat diamond and .72-total-carat-weight diamonds in platinum, Christopher Designs, $21,100; 800-955-0970 for stores.

Courtesy of Christopher Designs

Kwiat

.44-total-carat-weight diamonds in 18kt white gold, Kwiat, $1,600; kwiat.com.

Courtesy of Kwiat

Doyle & Doyle

.60-total-carat-weight diamonds in 14kt white gold, Doyle amp Doyle, $975; doyledoyle.com.

1 of 45

1 of 44 Courtesy of Mauboussin

Mauboussin

2 of 44 Courtesy of Harry Winston

Harry Winston

3.85-total-carat-weight diamonds in platinum, Harry Winston, price upon request; 800-988-4110 for stores.

3 of 44 James Worrell

Round

1.5-carat brilliant-cut diamond and .57-total-carat-weight side stones in platinum, Scott Kay, $19,700; scottkay.com for stores.

4 of 44 Courtesy of Harry Winston

Harry Winston

1-carat diamond in platinum, Harry Winston, price upon request; 800-988-4110 for stores.

5 of 44 Courtesy of De Beers

De Beers

1.04-carat diamond in platinum, De Beers, $12,000; debeers.com.

6 of 44 Courtesy of Kwiat

Kwiat

1.16-carat diamond in platinum, Kwiat, $6,750; kwiat.com.

7 of 44 Courtesy of Doyle & Doyle

Doyle & Doyle

.75-carat diamond in 14kt yellow gold, Doyle & Doyle, $3,800; doyledoyle.com.

8 of 44 Courtesy of Tiffany & Co.

Tiffany & Co.

1-carat Bezet diamond in platinum, Tiffany & Co., $9,200; tiffany.com.

9 of 44 Courtesy of Tacori

Tacori

2-carat diamond in platinum, Tacori, price upon request; tacori.com.

10 of 44 Courtesy of The Clay Pot

Charles Perrella

.85-carat sapphire with .54-total-carat-weight diamonds in 18kt white gold with rhodium finish, Charles Perrella, $2,925; clay-pot.com.

11 of 44 Courtesy of Simon G.

Simon G.

Diamond and .31-total-carat-weight pave diamonds in 18kt white gold, Simon G., price upon request; simongjewelry.com.

12 of 44 Courtesy of De Beers

De Beers

3.02-carat brilliant-cut diamond and .71-total-carat-weight tapered baguettes in platinum, De Beers, $255,000; debeers.com.

13 of 44 Courtesy of Bulgari

Bulgari

.3-carat brilliant-cut diamond in platinum, Bulgari, price upon request; 800-285-4274 or bulgari.com.

14 of 44 Courtesy of Gurhan

Gurhan

2.3-carat brilliant-cut diamond in 24kt yellow gold, Gurhan, price upon request; 602-955-8000.

15 of 44 Courtesy of Simon G.

Simon G.

Diamond and 1.22-total-carat-weight white and yellow pave diamonds in 18kt white and yellow gold, Simon G., price upon request; simongjewelry.com.

16 of 44 Courtesy of Bulgari

Bulgari

.3-carat brilliant-cut diamond and pave diamonds in platinum, Bulgari, price upon request; bulgari.com.

17 of 44 Courtesy of David Yurman

David Yurman

Custom diamond in platinum, David Yurman, price upon request; davidyurman.com.

18 of 44 Courtesy of Blue Nile

Blue Nile

1.5-total-carat-weight ideal-cut diamonds in platinum, Blue Nile, $7,200; bluenile.com.

19 of 44 Courtesy of Suzanne Felsen

Suzanne Felsen

.50-carat diamond and .24-total-carat-weight side stones in platinum, Suzanne Felsen, price upon request; suzannefelsen.com.

20 of 44 Courtesy of Tacori

Tacori

1-carat round diamond and .30-total-carat-weight pave diamonds in platinum, Tacori, $8,460; tacori.com.

21 of 44 Courtesy of Tiffany & Co.

Tiffany & Co.

.60-carat diamond in platinum, Tiffany amp Co., $3,925; Tiffany.com.

22 of 44 Courtesy of Donna DiStefano

Donna DiStefano Ltd.

1.5-carat rose-cut sapphire in 18kt yellow gold, Donna Distefano Ltd., $2,200; donnadistefanoltd.com.

23 of 44 Courtesy of Suzanne Felsen

Suzanne Felsen

1.11-carat cognac diamond with .13-total-carat-weight diamonds in yellow gold, Suzanne Felsen, price upon request; suzannefelsen.com.

24 of 44 Courtesy of Donna DiStefano

Donna DiStefano Ltd.

2-total-carat-weight diamonds in 18kt white gold, Donna Distefano Ltd., $15,000; donnadistefanoltd.com.

25 of 44 Courtesy of Tiffany & Co.

Tiffany & Co.

1-carat round brilliant-cut diamond in platinum and 18kt yellow gold, Tiffany & Co., $9,350; tiffany.com.

26 of 44 Courtesy of Dawes Design

Dawes Design

.25-carat diamond in 18kt yellow gold, Dawes Design, $2,400; dawes-design.com.

27 of 44 Courtesy of Simon G.

Simon G.

1-carat round diamond and .50-total-carat-weight marquise diamonds in 18kt white gold, Simon G., $2,090 (not including center stone); simongjewelry.com.

28 of 44 Kenji Toma

Attention-Getter

1.1-carat rose-cut diamond and .55-total-carat-weight Old European-cut diamonds in platinum, Karen Karch, $12,445; karenkarch.com.

29 of 44 Courtesy of The Clay Pot

Richard Landi

.44-carat brilliant-cut diamond and .34-total-carat-weight side stones in platinum, Richard Landi, $5,620; clay-pot.com.

30 of 44 Courtesy of The Clay Pot

Marian Maurer

.63-carat diamond in 18kt yellow gold, Marian Maurer, $4,620; clay-pot.com.

31 of 44 Courtesy of Roberto Coin

Roberto Coin

.50-carat diamond and .80-total-carat-weight diamonds in 18kt white gold, Roberto Coin, $8,400; 800-853-5958 for stores.

32 of 44 Ellen McDermott

Round-Cut

1-carat diamond and 1.68-total-carat-weight diamonds in 19kt yellow gold, Scott Kay Vintage, price on request; 800-487-1584.

33 of 44 Ellen McDermott

Me & Ro

.3-total-carat-weight rose-cut diamonds in 18kt yellow gold, Me & Ro, $1,665; 917-237-9215.

34 of 44 Courtesy of Doyle & Doyle

Doyle & Doyle

.50-carat diamond in platinum, Doyle amp Doyle, $2,950; doyledoyle.com.

35 of 44 Courtesy of Tacori

Tacori

1.25-carat diamond and .30-total-carat-weight pink diamonds in platinum and 18kt rose gold, Tacori, $5,070 (not including center stone); tacori.com for locations.

36 of 44 Courtesy of De Beers

De Beers

0.44-total-carat-weight diamonds in rose gold, De Beers, $6,000; debeers.com.

37 of 44 Kenji Toma

Suzanne Felsen

1.37-carat brilliant-cut cognac diamond and .29-total-carat-weight marquise-cut diamonds in platinum, Suzanne Felsen, $13,575; suzannefelsen.com.

38 of 44 Kenji Toma

Annie Fenerstock for Fragments

.25-carat round-cut diamond in 22kt yellow gold, Annie Fenerstock for Fragments, $3,405; 212-334-9588.

39 of 44 Kenji Toma

John Hardy

.44-total-carat-weight pave diamonds in sterilng silver, John Hardy, $1,495; 866-454-2739.

40 of 44 Kenji Toma

Understated Style

1-carat round-cut diamond and pave diamonds in platinum, Neil Lane, $15,000; 310-275-5015.

41 of 44 Kenji Toma

Mandarin Garnet

2-carat mandarin garnet in 18kt white gold, Suzanne Felsen, $3,500; 310-315-1972.

42 of 44 Courtesy of Christopher Designs

Christopher Designs

1.08-carat diamond and .72-total-carat-weight diamonds in platinum, Christopher Designs, $21,100; 800-955-0970 for stores.

43 of 44 Courtesy of Kwiat

Kwiat

.44-total-carat-weight diamonds in 18kt white gold, Kwiat, $1,600; kwiat.com.

44 of 44

Doyle & Doyle

.60-total-carat-weight diamonds in 14kt white gold, Doyle amp Doyle, $975; doyledoyle.com.

Round

Mauboussin

Harry Winston

Round

Harry Winston

De Beers

Kwiat

Doyle & Doyle

Tiffany & Co.

Tacori

Charles Perrella

Simon G.

De Beers

Bulgari

Gurhan

Simon G.

Bulgari

David Yurman

Blue Nile

Suzanne Felsen

Tacori

Tiffany & Co.

Donna DiStefano Ltd.

Suzanne Felsen

Donna DiStefano Ltd.

Tiffany & Co.

Dawes Design

Simon G.

Attention-Getter

Richard Landi

Marian Maurer

Roberto Coin

Round-Cut

Me & Ro

Doyle & Doyle

Tacori

De Beers

Suzanne Felsen

Annie Fenerstock for Fragments

John Hardy

Understated Style

Mandarin Garnet

Christopher Designs

Kwiat

Doyle & Doyle

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