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How do diamond producers cut diamonds?

If diamond is the strongest known mineral then how do diamond producers cut it, do they use lasers or other diamonds. Please list a source that you got this from.
Thanks

To produce a girdle (outline of a round diamond) on a round diamond, you can use another diamond, and have one or both turning on lathes and scratching each other untill they have the desired diameter.

To polish facets on a diamond you put the diamond in a dop (a little holder in which the diamond is fixed) and the dop into a tang, some sort of handle. The tang can be put in a workbench on one side, and the other side of this arm is then let down onto a polishing wheel in a specific angle (perfectly adjustable). The diamond powder on the polishing wheel (a turning disk) will polish the facets on the diamond. To make another facet just ajust the angles. Both have the same hardness, but the powder is pointed so will scratch material away.
To cut a rough diamond into pieces,ou can use a laser, it is very common as in contrast with sawing, you lose less material and you can use the laser in any direction. Sawing makes you use more material, and is usually less precise.

Diamond Cut

1.49 Ct Natural Round Cut Vintage Real Diamond Engagement Ring White Gold 14k $4,651.20

1.5 Carat Princess Cut Diamond Engagement Solitaire Ring Wedding Ring Gold 14k $3,240.00

4.60 Ct+ Loose Round Brilliant Cut Black Diamond Solitaire – AAA Certified Stone $109.14

1.24 Ct. Asscher Cut Diamond Bridal Ring Set H VS2 EGL $2,900.00

Victorian 4.35ctw Rose/Antique Cut Diamond Danglers $711.00

Round Cut 5.0mm Solid 14Kt Gold Natural VS Diamond Semi-Mount Earrings $380.00

Silk Scarf Top – Diamond-Cut : Coral $7.99

3.37 Ct Princess Cut Diamond Engagement Anniversary Wedding Ring 14k Yellow Gold $14,085.00

1.58 Ct Round Cut Certified Diamond Engagement Ring Pave White Gold 14k $3,414.60

3.32 Ct Round Cut Solitaire Diamond Engagement Anniversary Ring 14k Gold $21,918.60

GENUINE DIAMOND SET MY LAST ROLO DIAMOND CUT BRACELET $140.57

$5800 Solid 14k Yellow Gold Natural Pink Rubellite VS Full Cut Diamond ring $1,450.00

2.5 Ct AGI Round Cut Split Shank Diamond Engagement Ring 14k White Gold $4,410.00

1.56 Round Brilliant Cut Diamond Bridal Ring Set F VS2 $2,800.00

1.66 CT Round Cut AGI Certified Diamond Engagement Ring 14k Yellow Gold $5,158.00

1.33 Ct AGI Princess Cut Split Shank Diamond Engagement White Gold 14k Ring $3,742.20

2.06 CT Princess Cut 14k White Gold Certified Diamond Engagement Ring $3,638.00

4ct Created pear cut sapphire diamond WGP ring size N 7 $14.06

1.04 Carat Round Cut Solitaire Certified Diamond Engagement Ring 14k Gold $4,291.20

1.28 Ct. AGI Princess Cut Certified Diamond 14k Yellow Gold Solitaire Ring $3,726.00

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4 carat Round cut Diamond Tennis Bracelet Half Bezel set, VS clarity 7 inch $4,900.00

4.80 ct Round cut Diamond Bracelet, 14k White Gold, 480 x 0.01 ct, 7 inches $1,895.00

1.42 Ct AGI Round Cut Split Shank Diamond Engagement Ring White Gold 14k $2,835.00

1.72 CT ROUND CUT DIAMOND ENGAGEMENT RING 18K WHITE GOLD $3,692.00

1.55 Ct Round Cut Diamond 3-Stone Engagement Ring Micropave 14k White Gold $4,296.60

2.42 Ct Princess Cut 3 Stone Diamond Engagement Ring 14k White Gold Certified $6,273.00

2.68 Ct Princess Cut 3 Three Stone Engagement Certified Diamond Ring 14k Gold $4,168.80

1.16 Carats Princess Cut Diamond Solitaire Engagement Ring 14k White Gold $2,984.40

1.74 Ct Round Cut Diamond Vintage Engagement Ring Micropave White Gold 14k $3,150.00

1.68 Ct Round Cut Diamond Engagement Anniversary Wedding Ring 14k White Gold $5,626.80

2.64 G SI1 PRINCESS CUT DIAMOND 3 STONE ENGAGEMENT RING 14K WHITE GOLD $8,589.00

1.54 Ct Brilliant Round Cut Diamond Certified Engagement Ring 14k Vintage Style $4,651.20

VICTORIAN 11.65ctw ROSE/ANTIQUE CUT DIAMOND WEDDING/ANNIVERSARY BANGLE/BRACELET $1,962.00

3.03 H VS2 PRINCESS CUT DIAMOND 3 STONE ENGAGEMENT RING 14K WHITE GOLD $10,010.00

1.4 Ct Natural Round Cut Vintage Real Diamond Engagement Ring Yellow Gold 14k $3,375.00

1 Carat Brilliant Princess Cut Solitaire Ladies Diamond In 14k Yellow Gold $2,763.00

5 Ct Princess Cut Diamond Bridal Matching Set Engagement Ring Solid Gold 14k $15,480.00

2.33 Ct Princess Cut 3-Stone Natural Diamond Engagement Ring White Gold 14k $4,845.60

Round Brilliant Cut 3.50 Ct+ Natural Set Of 3 Black Loose Diamond Certified *I3 $72.76

1.75 Ct. AGI Princess Cut Certified Diamond 14k Yellow Gold Solitaire Ring $5,598.00

2.66 Ct Princess Cut 3 Stone Diamond Engagement Ring 14k White Gold Certified $4,334.40

1.6 Carat Round Cut Certified Diamond Engagement 4-Prong Ring In 14k Gold $3,600.00

1.5 Ct Princess Cut Diamond Solitaire Unique 14k White Gold Engagement Ring $4,905.00

1.25 Ct. AGI Round Cut Certified Diamond 14k White Gold Solitaire Ring $3,150.00

1.54 Ct Round Cut Diamond Vintage Engagement Ring Micro pave 14k Yellow Gold $3,589.20

2.23 CT Bridal Princess Cut Vintage Diamond Engagement Ring Set 14k White Gold $4,078.30

2.10 Ct+ Brilliant Cut Black Diamond Solitaire-With Certified AAA+ Quality $36.38

0.78ctw ROSE/ANTIQUE CUT DIAMOND .925 SILVER CUFFLINKS $225.90

1.81 Ct Princess Cut 3 Three Stone Engagement Certified Diamond Ring 14k Gold $3,626.10

1.01 Ct AGI Princess Cut Solitaire Diamond Engagement 14k White Gold Ring $2,424.60

2.91 Ct Brilliant Round Cut Diamond Certified Engagement Ring 14k Vintage Style $6,155.10

1.74 Ct Round Cut Diamond Engagement Anniversary Wedding Ring 14k White Gold $4,914.00

3.55 Ct AGI Princess Cut Diamond Engagement Set 14k White Gold Ring $6,606.00

1.57 Carat Round Cut Certified Diamond Engagement 4-Prong Ring In 14k Gold $4,638.60

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2.55 Carat Princess Cut Diamond Certified Engagement Ring 14k Vintage Style $4,626.00

2.48 Ct Princess Cut Diamond Engagement Anniversary Wedding Ring 14k White Gold $4,896.00

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1/2ct Genuine Princess Cut Diamond Solitaire Pendant Necklace 14K Yellow Gold $808.00

1.72 Ct Round Cut Diamond Engagement Anniversary Wedding Ring 14k White Gold $4,017.60

3.01 Ct Round Cut Natural Diamond Engagement Anniversary Ring 14k White Gold $11,388.60

1.01 Ct Princess Cut Diamond Solitaire Unique 14k Yellow Gold Engagement Ring $2,906.10

2.10 Carat Brilliant Round Cut Solitaire Ladies Diamond In 14k Yellow Gold $13,077.00

1 Ct AGI Princess Cut Solitaire Diamond Engagement 14k White Gold Ring $2,772.00

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1.57 CT Round Cut Natural Diamond Vintage Solitare Engagement Ring 14k WG $5,128.00

1.63 Ct Round Cut Diamond Engagement Anniversary Wedding Ring 14k White Gold $3,715.20

1.71 Ct Princess Cut Diamond 3-Stone Engagement Ring Micropave 14k White Gold $2,989.80

1.55 Ct Round Cut Diamond Engagement Anniversary Ring 14k White Gold $5,256.00

1.52 Ct 3-Stone Round Cut Certified Engagement Diamond 14k Gold Ring $2,880.00

2 Ct Round Cut Engagement Certified Diamond Ring Set 14k White Gold $3,780.00

.95 Ct Princess Cut 3 Stone Diamond Engagement Ring SI1 $3,699.99

.60 Ct Princess Cut 3 Stone Diamond Engagement Ring IGI $1,699.99

1 Ct Princess Cut Diamond Engagement Wedding Rings Pave Set VS1 Cut Ideal New $2,599.99

2.83 Ct Natural Round Cut Vintage Real Diamond Engagement Ring White Gold 14k $5,846.40

1.68 Carat Princess Cut Certified Diamond Designer Engagement Ring Gold 14k $4,102.20

1.82 Ct AGI Round Cut Split Shank Diamond Engagement Ring 14k White Gold $4,323.60

1.83 Carat Three 3 Stone Princess Cut Diamond Engagement Anniversary 14k Ring $4,417.20

4.90 Ct+ Certified Black Diamond Round Cut- AAA Quality $90.95

3.21 Carat Brilliant Princess Cut Solitaire Ladies Diamond In 14k Yellow Gold $22,515.30

1.45 Carat Brilliant Princess Cut Solitaire Ladies Diamond In 14k White Gold $4,491.00

2.21 Ct Princess Cut Solitaire Diamond Engagement Anniversary Ring Gold 14k $7,801.20

1.36 Ct AGI Round Cut Split Shank Diamond Engagement Ring 14k White Gold $2,929.50

2 Ct Round Cut Natural Diamond Engagement Anniversary Ring 14k White Gold $4,545.00

2.25 Ct Round Cut Diamond Solitaire Unique 14k Yellow Gold Engagement Ring $15,480.00

VICTORIAN LOOK 0.42ctw ROSE CUT DIAMOND AMETHYST ANNIVERSARY/PARTY RING $130.50

2.11 Ct Round Cut Natural Diamond Engagement Anniversary Ring 14k White Gold $3,977.10

2.10 Ct Round Cut Diamond Solitaire Unique 14k White Gold Engagement Ring $16,479.00

1.61 Ct AGI Princess Cut Split Shank Diamond Engagement White Gold 14k Ring $2,991.60

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1.57 Ct AGI Princess Cut Split Shank Diamond Engagement 14k White Gold Ring $3,416.40

1.71 Ct Princess Cut Certified Diamond 3-Stone Engagement Ring 14k Yellow Gold $3,715.20

1.04 Ct Round Cut Diamond Solitaire Unique 14k White Gold Engagement Ring $3,033.00

1.51 Ct. Round Cut Natural Diamond Engagement Anniversary Ring 14k White Gold $4,321.80

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2.19 Carat Natural Round Cut J/SI2 Real Loose Diamond with Certificate $3,153.00

2.03 Ct Brilliant Round Cut Diamond Certified Engagement Ring 14k Vintage Style $8,280.00

1.64 Ct Round Cut Engagement Wedding Ring Certified Diamond White Gold 14k $2,779.20

1.28 Ct. AGI Princess Cut Certified Diamond 14k White Gold Solitaire Ring $3,699.00

Diamond Cut $10.99 Diamond Cut

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Platinum Bowtie Cut 6mm C/F Diamond Wedding Band $2095 This unique wedding band places a diamond solitaire in a bowtie-shaped cut in the platinum band. You will enjoy showing off this stylish Platinum Bowtie Cut 6mm C/F Diamond Wedding Band.

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Diamond Cut Hearts XOXO 14k Two Tone Gold Necklace $760 This variation of the traditional XOXO pattern places a diamond cut white gold heart in between each yellow gold X. You’ll love the special quality of this Diamond Cut Hearts XOXO 14k Two Tone Gold Necklace.

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14k Yellow Gold Arte Contempo Diamond Cut Bracelet $285 Show off the fine diamond cut style with this fabulous contempo chain bracelet. You’ll be the envy of your friends at work and at play in this 14k Yellow Gold Arte Contempo Diamond Cut Bracelet.

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14k Yellow Gold Stylish Extra Thin Diamond Cut Bangle $275 A beautiful diamond cut style, this fashionable bangle is made of fine yellow gold. Put more zest to your bracelet collection with this 14k Yellow Gold Stylish Extra Thin Diamond Cut Bangle.

Platinum Center Cut C/F ¼ Carat Diamond Wedding Band $2359 This attractive wedding band places three bezel-set diamonds in a center cut in the platinum band. You will be pleased to walk in style with this Platinum Center Cut C/F ¼ Carat Diamond Wedding Band.

Split Oval Pave Diamond Cut 14k White Gold Necklace $746 White gold ovals are cleanly divided in two, set off with pave cut bands. You’ll glimmer and shine in this Split Oval Pave Diamond Cut 14k White Gold Necklace.

14k White Gold 1 Inch Diamond Cut Hoop Earrings $100 These gorgeous hoop earrings have been crafted of fine 14k white gold and feature a beautiful diamond cut design. These beautiful 14k White Gold 1 Inch Diamond Cut Hoop Earrings are perfect to traition from day to night.

Marquise Diamond Cut Two Stem 14k TwoTone Gold Necklace $630 Gorgeous marquise shape diamond cut white gold is strung together by rounded stems of yellow gold. Embrace the beauty of the pave gold style when you wear this Marquise Diamond Cut Two Stem 14k TwoTone Gold Necklace.

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14k Yellow Gold Diamond-cut Filigree Cross Pendant $65 This fine polished cross is made of exquisite yellow gold. Spread your love with everyone with this 14k Yellow Gold Diamond-cut Filigree Cross Pendant.

14k White Gold Fine Elegance 2.00mm Diamond Cut Bangle $145 A stylish design, this attractive bangle is made of fine white gold. Feel all the glamour with this 14k White Gold Fine Elegance 2.00mm Diamond Cut Bangle.

14k Yellow Gold Fashionable 6.25mm Diamond Cut Bangle $925 This stylishly carved bangle is exquisitely made of fine yellow gold. Revitalize your bracelet collection with this 14k Yellow Gold Fashionable 6.25mm Diamond Cut Bangle.

14k Yellow Gold Fine Elegance 2.00mm Diamond Cut Bangle $145 A stylish design, this attractive bangle is made of fine yellow gold. Feel all the glamour with this 14k Yellow Gold Fine Elegance 2.00mm Diamond Cut Bangle.

14k Two Tone Gold Classic Adjustable Diamond Cut Bangle $285 A classic twisting design, this elegant bangle is finely crafted from yellow and white gold. Revitalize your collection with this 14k Two Tone Gold Classic Adjustable Diamond Cut Bangle.

14k Gold Two Color Filigree Hearts Diamond Cut Bangle $1560 An elegant and intricately designed filigree bangle, it is made of yellow gold with gorgeous hearts in white rhodium. You are fabulous when you wear this 14k Gold Two Color Filigree Hearts Diamond Cut Bangle.

14k Yellow Gold Elegant Classy Hinge Diamond Cut Bangle $975 Stylish and attractive, this beautifully carved bangle is made of exquisite yellow gold. Feel the glamour around your wrist with this 14k Yellow Gold Elegant Classy Hinge Diamond Cut Bangle.