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2.51 carat fancy vivid brown oval lab grown diamond, VVS2, IGI certified, face-up
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IGI report

LG797604674

FieldValue
ShapeOval
Carat weight2.51
Color / ClarityFancy Vivid Brown / VVS2
Polish / SymmetryExcellent / Excellent
FluorescenceVery slight
Measurements10.91 × 7.81 × 4.82 mm
Report date2026-05-08
TreatmentPost-growth treatment indicated on IGI report
Verify on IGI
Actual size

Face-up size

10.91 × 7.81 mm outline, compared with a round brilliant (approx. diameters).
0mm 5mm 10mm 15mm 20mm 25mm 2.51ct Oval approx. 6.5 mm round approx. 8.2 mm round approx. 9.4 mm round
Stock #1632386 · IGI LG797604674

Fancy Vivid Brown Oval Diamond Specifications

Grading: fancy color, clarity and finish

ShapeOval
Carat weight2.51
ColorFancy Vivid Brown
IntensityVivid
HueBrown
ClarityVVS2
PolishExcellent
SymmetryExcellent
FluorescenceVery slight

Measurements in mm

Length10.91 mm
Width7.81 mm
Depth4.82 mm
L/W ratio1.40
GrowthCVD
LocationNew York

IGI certificate

LabIGI
Report #LG797604674
Report date2026-05-08
TreatmentPost-growth treatment indicated on IGI report

“This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Indications of post-growth treatment.”

Verify on IGI
From the IGI report

Fancy Vivid Brown Oval Proportions, Drawn to Scale

Side profile and top view

TABLE DEPTH SIDE PROFILE 10.91 mm TOP VIEW · 7.81 mm wide

Proportions

Table59.0%
Total depth61.7%
Crown angle35.8°
Crown height15.0%
Pavilion angle40.6°
Pavilion depth44.0%
GirdleMedium to slightly thick (faceted)
CuletPointed
Length10.91 mm
Width7.81 mm
Hover or tap a row to see it on the drawing.Tap a row to see it on the drawing.
Color guide

About Fancy Vivid Brown diamonds

“Vivid” is the intensity grade and “Brown” the hue on the IGI report. A brown 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

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Trade questions

Buying Fancy Vivid Brown Lab-Grown Diamonds Wholesale: FAQ

Is the color treated?

The IGI report states: “This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Indications of post-growth treatment.” We show this on the page and in the certificate table, and it should be disclosed when you resell the diamond.

How big is a 2.51 carat oval?

This 2.51 carat oval measures 10.91 × 7.81 mm face-up and 4.82 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 LG797604674, 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. The report also indicates post-growth treatment. 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 vivid brown lab grown diamond is a 2.51 carat oval measuring 10.91 x 7.81 mm, IGI certified. Browse every brown 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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