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1.73 carat fancy black butterfly lab grown diamond, VS1, IGI certified, face-up
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IGI report

LG710552751

FieldValue
ShapeButterfly
Carat weight1.73
Color / ClarityFancy Black / VS1
Polish / SymmetryExcellent / Excellent
FluorescenceNone
Measurements6.29 × 9.24 × 3.99 mm
Report date1899-12-31
Verify on IGI
Stock #2002987 · IGI LG710552751

Fancy Black Butterfly Diamond Specifications

Grading: fancy color, clarity and finish

ShapeButterfly
Carat weight1.73
ColorFancy Black
IntensityFancy
HueBlack
ClarityVS1
PolishExcellent
SymmetryExcellent
FluorescenceNone

Measurements in mm

Length6.29 mm
Width9.24 mm
Depth3.99 mm
L/W ratio0.68
GrowthCVD
LocationNew York

IGI certificate

LabIGI
Report #LG710552751
Report date1899-12-31
Verify on IGI
From the IGI report

Fancy Black Butterfly Proportions

Proportions

Table—
Total depth—
Crown angle—
Crown height—
Pavilion angle—
Pavilion depth—
Girdle—
Culet—
Length6.29 mm
Width9.24 mm
Color guide

About Fancy Black diamonds

“Fancy” is the intensity grade and “Black” the hue on the IGI report. A black lab-grown diamond like this one suits colored center diamonds and halos. We carry 8 fancy colors: Black, Blue, Brown, Brownish, Green, Orange, Pink and Yellow.

Custom & matching

Need it matched or set?

Set this diamond, find matched pairs, or send a spec and we'll source or cut to it.

  • 24-hour CAD · 4–6 working days to finished
  • Gold (14K/18K), silver, platinum · No MOQ
Shipping & location

In our NYC Diamond District office

Location36 W 47th St, Ste 601A
US shippingSame day before 6 PM ET
International3–4 business days
Minimum orderNo MOQ
Same color · in stock in New York first · hovertap to rotate

Similar Fancy Black Lab-Grown Diamonds

Trade questions

Buying Fancy Black Lab-Grown Diamonds Wholesale: FAQ

How big is a 1.73 carat butterfly?

This 1.73 carat butterfly measures 6.29 × 9.24 mm face-up and 3.99 mm deep. Shapes and cuts carry their weight differently, so compare diamonds by their mm size, not only by carat.

How fast does this diamond ship?

Orders placed before 6 PM ET ship the same day from New York. International delivery takes 3–4 business days.

Is the certificate real, and can I check it?

Yes. This diamond carries IGI report LG710552751, and you can verify it on IGI's website. We carry 10,000+ IGI/GIA-certified diamonds in stock. For how grading works, see GIA's guide to diamond quality factors.

How do I see the price?

Prices are shown to trade accounts only. Guru Diam sells to jewelers, retailers, designers and manufacturers. Applications submitted before 4 PM ET are approved the same business day, otherwise the next business day.

Is this diamond lab-grown or natural?

This one is lab grown, CVD, as stated on its IGI report. Lab-grown diamonds must be disclosed as such when you resell them; see our guide to FTC lab-grown diamond disclosure rules and the FTC's jewelry business guidance. We also carry certified natural diamonds, so if you need a natural diamond, ask us.

Wholesale for the trade

Wholesale Fancy Color Lab Grown Diamonds

Guru Diam is a B2B diamond supplier on 47th Street in the NYC Diamond District and in the Los Angeles diamond district, selling natural and lab-grown diamonds wholesale to jewelers, retailers, designers and manufacturers. Our fancy color lab grown diamonds wholesale range covers 8 colors, each diamond with its own IGI certificate.

This fancy black lab grown diamond is a 1.73 carat butterfly measuring 6.29 x 9.24 mm, IGI certified. Browse every black lab-grown diamond, all fancy color lab-grown diamonds, read about wholesale lab grown diamonds in the NYC Diamond District, or see our certified natural diamonds. Lab diamonds and natural diamonds are sold to the trade only: open a trade account, or learn more about Guru Diam.

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