4.31 CT Mozambique Ruby 11.20×8.30×4.90mm


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1 in stock


SKU: AK2203150348 Category: Tags: ,


More about Ruby Gemstone - Click Here
Dispatch TimeSame Business Day (+3 days for typical Jewellery; +7 days for Bracelet/Gold/CZ/Diamond Items)
Return Policy10 Day Money-Back Returns*
TreatmentsUnheated & Untreated(No Indications Observed)
OriginMozambique (Africa)
Weight (Carat)4.31
Weight (Ratti)4.79
Dimensions (Exact)11.20x8.30x4.90mm
ShapeOval Mixed Cut
CertificationFree Lab Certificate
Certificate NumberAK2203150348
GemstoneAfrican Ruby
TypeLoose Gemstone
Optic CharacterBiaxial
Refractive Index1.730 - 1.760
Specific Gravity3.50 - 4.30
Hardness8.5 Mohs

Additional information






4.00 CT To 4.99 CT


4.00 Ratti To 4.99 Ratti


Unheated & Untreated


Oval Mixed Cut


Mozambique Ruby, Ruby




Free Lab Certificate

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Shipping and Combining

  • Express Shipping: Free within in India for transaction above $18.00 USD.
    $15-35 Rate Depend of the Country- Full Value Insurance / Most shipments delivered within 3-4 days.
  • Economy Shipping: Free worldwide for transaction above $18.00 USD. / Most shipments delivered within 7-22 working days.
  • Express Shipping For Out Of India
  • Free Combining of orders - No extra shipping fees.
  • Pay one flat rate express shipping fee for all items per transaction / shipment.
  • No minimum and no maximum order value.
  • Order as many items as you like and still pay only one single low flat rate shipping fee.

Payment Options

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Guarantee / Certification

  • All gemstones are natural!
  • All photos and videos are of the actual gem for sale (No Stock Photos)
  • We offer free certification from Labs authorized by GIA, IGI, AIGS, GIE, GRS, GII etc.
  • We also offer certification from lab e.g.: IGI, GIA, AIGS, GIE, GRS, GII etc. on special request only (4-6 working days).

Size and Weight

  • Gems are always measured in Millimeter (mm)
  • Compare mm Size with US coins
  • Dimensions are given as length x width x depth, except for round stones which are diameter x depth
  • Select gems by size, not by weight! Gem varieties vary in density, so carat weight is not a good indication of size
  • Note: 1ct = 0.2g

Additional Quantities

Every item is unique, so you can only order 1 of each item.  However, we often have similar or matching items. If so, we display them on the same gem detail page

Clarity Explained

  • IF = Loupe Clean - Internally flawless; free of inclusions
  • VVS = Almost Loupe Clean - Very, very slight inclusions; inclusions barely seen under 10x magnification
  • VS = Eye Clean - Very slight inclusions; inclusions can be seen under 10x magnification
  • SI = Slightly included - Small inclusions can be seen with the naked eye
  • I1 = Included - Inclusions can be seen with the naked eye
  • Transparent = A gemstone having the property of transmitting light without serious diffusion / may have rutile or other inclusions
  • Translucent = Allowing light to pass through, but not transparent
  • Opaque = Does not allow light to pass through

Return Policy

  • All gems have a 10-day inspection period, which begins on the date of delivery. Gems may be returned for a full refund during this period.
  • Please email us for return authorization code when returning a gem.
  • For more details click here


None: 'No treatment' means that the gemstone is completely free from all color, clarity and durability enhancements, such as heat-treatment, beryllium treatment, irradiation, fracture-filling, impregnation, stabilization or any other gemstone treatment. In other words, a non-treated gem has merely been mined and cut. More about treatments.