Diamond Foam Lined Bustier Pattern
Diamond Foam Lined Bustier Pattern
Diamond Foam Lined Bustier Pattern

Diamond Foam Lined Bustier Pattern

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Diamond Foam Lined Bustier Pattern

The Diamond foam-lined bustier pattern will become a staple in your “fancy dress” wardrobe. This pattern with two views features an off-set vertical seamed cup for the roundest styling, and a shortened upper cup for maximum lift. We’ve included a strapless version as well as a view with straps. The to-the-waist length will hold you high at any evening, cocktail or wedding event. Our testers were amazed at the push-up look this pattern gives. The Diamond Bustier has been specially designed to use with foam lining, therefore enabling you to use virtually any stretch fabric over it as a cup cover. The Diamond Bustier is a sister to the other bras in the Jewel Collection: namely, Ruby, Sapphire and Amethyst.

The sizing for the Diamond Bustier is a bit different from other bra patterns, in that we use the Bottom Cup Depth (BCD) to determine the size of the cup. This is the measurement from the wire line at the base of the cup up to the location of the apex. It is much more accurate than relying on Ready-to-wear bra sizing, which can differ from company to company. Determine your BCD by measuring your best fitting bra between these two points. All cup sizes from 3.0 to 6.0 are included in the pattern. Combine these 13 cup depths with 1 of 8 band sizes from 26″ (65 cm) through 40″ (100 cm) to make the Diamond Foam Lined Bustier size range equivalent to over 100 unique bra sizes.

Required Materials for the Diamond Bustier:

0.3 m of cut and sew foam/laminated foam
0.5 m of stretchy fabric to cover the cups
0.5 m of stable fabric such as Duoplex or Polyester Tricot for the frame
0.3 metres of power net or lycra for the back band
0.7 m or less of 3/8″ finished width Fold over elastic (FOE)
1.1 m or less of 1.5″ Plush-Back Waistband Elastic for bottom band
1.2 metres of ⅜” Plush Back/Band Elastic for top band
0.5 metres of 3/8″ wide strip of stabilizer for the neckline
1.2 m (1.25 yd) or less of  boning and casing
1 set of underwires sized according to the chart below
1 bow embellishment for the front
1 metre of underwire casing
1 Hook & Eye Tape closure that is 0.1 metre (which is 5 hooks and eyes tall) or a 5×3 Hook and Eye
1 Bow Embellishment for the front (optional)
1 set of Underwires according to the chart below

For Optional Straps View B 

1.0 – 1.2 m of Strap Elastic 1/2″-5/8″ wide for BCD sizes 3.0-4.5 and 5/8 – 3/4″ wide for sizes 4.75 to 6.0
1.0-1.2 m of double face satin ribbon,  1/2″ to 3/4″ to use as a stabilizer under the front part of the strap elastic
2 sliders and 4 rings width to match the strap elastic, either 1/2 to 3/4″ wide


Bottom Cup Depth Usually Fits North American Bra Sizes Accepts Wire Sizes
3.0″ (7.5 cm) 36A, 34B, 32 C WR-34, WL-32
3.25″ (8.1 cm) 38A, 36B, 34C WR-36, WL-34
3.5″ (8.8 cm) 40A, 38B, 36C, 32D WR-38, WL-36
3.75″ (9.4 cm) 40B, 38C, 34D, 30E WR-40, WL-38, WX-36
4.0″ (10 cm) 42B, 40C, 36D, 32E WR-42, WL-40, WX-38
4.25″ (10.6 cm) 44B, 42C, 38D, 34E, 30F WR-44, WL-42, WX-40
4.5″ (11.2 cm) 44C, 40D, 36E, 32F WR-44, WL-42, WX-40
4.75″ (11.9 cm) 42D, 38E, 34F, 30G WR-46, WL-44, WX-42
5.0″ (12.5 cm) 44D, 40E, 36F, 32G WR-46, WL-44, WX-42
5.25″ (13.3 cm) 42E, 38F, 34G, 30H WR-48, WL-46, WX-44
5.5″ (13.8 cm) 44E, 40F, 36G, 32H WR-48, WL-46, WX-44
5.75″ (14.4 cm) 42F, 38G, 34H WR-50, WL-48, WX-46
6.0″ (15 cm) 44F, 40G, 36H WR-50, WL-48, WX-46