GemWorld provides...


You can cut and polish your own gemstones
with these machines

We highly recommend the Facetron.
However, if you insist, we also can provide you with
other name brand faceting machines that will also perform well.


"We believe this is the best,
easiest, fastest faceting machine
to work with for the price."
Jack Slevkoff

It has the following special features:

Digital Reader
  1. Angle Indicator is a Digital Readout that is easy to set, readable, and repeatable. It has been suggested that the mechanics of this system makes it equivalent to a 4 foot radial arc (48-inch protractor).
  2. Electronic Speed Control with smooth continuous adjustments from 1 to 1600 RPM.
  3. Clockwise and counterclockwise rotation of the lap at the flick of a Switch.
  4. Exclusive Pressure Sensor gives you direct visualization of pressure exerted on the dop arm to assure uniform facets. The Sensor Needle shows you the exact stopping point. This guarantees perfect symmetry. Imagine a .0005 inch resolution right before your eyes. Now it's easy to anticipate the stopping point when cutting each facet. It lets you see the rate and depth of cut as you work.
  5. Acculign Index System consists of precision index wheels and a conveniently located index lever with freewheeling provisions for preforming, rounding a girdle, or quick inspection of the stone being cut.
  6. Acculign Dop Chuck with exclusive Cam Lock System (not a jam-nut-collet or set screw)has no slippage with its positive locking action that provides the freedom to remove or replace Keyed Dops with perfect orientation and without having to make adjustments for realigning the stone for cutting.
  7. Acculign Transfer Stand has unequaled precision.
  8. Acculign Compounder permits minor radial adjustments for special cuts and to correct human errors. Calibrated in ¼ degree increments with a range of two degrees in either direction.
  9. Made of the Finest Material and Craftsmanship. All metal parts are fabricated from anodized aluminum and stainless steel. Lifetime sealed bearings. Durable polyurethane splash pan is easy to clean and protects stones against accidental damage.
  10. Two Quart Water Coolant System keeps your lap clear and stone cool so as not to damage either. It's easy to refill, and is fully positionable on the lap. The control valve is conveniently located away from the spout.
  11. Can use 6" or 8" laps with a ½ arbor hole or ¼" screw threads.
  12. Lifetime Warranty Against Defects in Material or Workmanship from the Norman T. Jarvi Tool Company Exclusive Manufacturer of the Facetron.
Now comes with

The dial indicator stop system consists of a new hard stop for dependable and accurate depth of cuts.

You have three options:
  • Dial stop only
  • Hard stop only
  • Or both
The dial indicator resolution is .0005 of inch increments.  The smaller indicator inside the middle of the dial is a revolution counter and has no impact on your cutting.  Your machine is factory preset so that your desired angle will be met when the indicator needle reaches zero, which is factory preset at a 12 o'clock position.

$3899.00 Retail
We have specials on this machine from time to time,
please check our Home page

Our everyday low price is
For destinations in USA, the delivey costs are $50.00
If insurance is desired, add $25.00

The 230v 50Hz Export model is available for an additional $50.00.

The Facetron comes with a set of 15 dops, a 45 degree dop, transfer stand, water coolant system, acculign transfer stand, a 96 index gear, Facetron Owner's Manual, and a Faceting Instruction Handbook by Soukup.

Shipping weight is 37 pounds.

To Order

There are options and accessories available at additional costs:

Optional Accessories and Replacement Parts such as index gears, Variable Axis Preformer, Apex Indexer, Diamond Dop, saw stabilizers, mast riser, dops, etc..

Faceting Kits are available to provide those items needed to attach the stone to the dops, to shape and polish a stone, and to remove the stone from the dops. These items are not provided with the machine but are sold separately or in kits.

Faceting Accessories such as Flex-stem lamps, loupes (magnifiers), OptiVisors, calipers, and stone tweezers are also available.

Compare with other faceting equipment

"There are probably more award winning competition cutters using the Facetron than any other machine on the U.S. market."

"Jarvi Tool makes an outstanding, affordable faceting machine - period.  Norman Jarvi passed away in Feb 2002.  Jeff Jarvi, Norm's son, has taken over the business and stands behind each and every machine with a lifetime warranty and fast, effective service.

 My husband has cut on 7 different brands of faceters over a 25 year period - which does he prefer? The Facetron, for accuracy, reliability, ease of learning, ease of use.  Even more so now with the dial indicator."
--Jeanne Ridolfi

*Facetron is a trademark of Jarvi Tool Company

(We no longer provide this machine)

The Ultra Tec is a popular machine used by a lot of the seasoned veteran cutters and was considered the Rolls Royce of the facet equipment line.  It's precision and repeatability provides the user with personal satisfaction resulting from perfection and maximum yields from gem material.

 Features include:
  1. Easy to read ANGLE DIAL (direct readout of 0.1") Equivalent to 12" protractor.
  2. The MAST is calibrated over full length with no locking needed.
  3. INDEX VERNIER is calibrated in 0.1" increments.
  4. INDEX GEARS are true involute gears.
  5. KEYED DOP system,
  6. Full 4" diameter PLATEN calibrated to less than 0.0003" vertical run out.
  7. Firm mechanical STOP
  8. Easy to remove and clean neoprene SPLASH PAN.
  9. Easy to read white on black SCALES. Non-strain reading.
  10. SPEED CONTROL maintains strong torque even at slowest speeds. Motor operates in both clockwise and counter clockwise mode. 100 to 1500 rpm.
  11. BASE PLATE is hard anodized for longer life.
  12. Available in both right or left hand models. 
The unit comes with 96 index gear, transfer fixture, a Tabling adapter (45 degree block), Set of Wrenches, Drain Hose, Driptank, and a set of 12 dops, Owner's Manual both printed and VHS video format. 
Shipping weight is 32 pounds.

110v is $3580.00.
add $120 for 220v transformer (Specify mounted or unmounted)
Please specify right hand or left hand.

To Order

FAUCET KIT ...add $48.00
LAMP ...add $49.00
DUST COVER ...add $15.00
INDEX GEARS 64, 72, 80, and 96 are $45.00 each
INDEX GEAR 120 is $55 each.
Extra Offset Dops(2 ea.,4&6.4mm, 3&4 way)...$55.00
Oscillator (RH only) ...$270.00
Rotator (RH only) ...$265.00
STOP INDICATOR (Buzzer/Light) is $106.00

Please specify right hand or left hand.
FACET SAW KIT (.006 thick blade included)is $77.00
Saw Adapter Only ...$42.00
BLADE (.006 thick)...$39
BLADE (.012 thick)...$39
90 Degree Tabling Adapter (OD type)...$120.00
Aluminum Pencil ...$5.00
2" Base ...$94.00
Guiu Dopper - Round (small) ...$119.00
Guiu Dopper - Emerald (small) ...$119.00
Guiu Dopper - Round & Emerald (small) ...$210.00
Guiu Dopper - Round (large) ...$119.00
Guiu Dopper - Emerald (large) ...$119.00
Guiu Dopper - Round & Emerald (large) ...$210.00
Guiu Girdle Aligner ...$74.00
DOPS (sold in sets of 5) 2mm, 3mm, 4mm, 5mm and 6.4mm are $20 per set.
DOPS (sold in sets of 5) 8mm, 9.6mm, 12.7mm, are $25 per set.
DOPS (sold in sets of 5) 14mm, 16mm, 19mm, are $30 per set.
12 Dops--2, 3, 4, 5mm FVC ...$48.00
12 Dops--4, 5, 6, 8mm FVC ...$51.00
12 Dops--6, 8, 9, 12mm FVC ...$57.00
12 Dops--12, 14, 16, 19mm FVC ...$69.00
33 Dops-- all eleven sizes FVC ...$159.00
EMERALD DOPS 8 Dops- 5x2.5, 6x3, 8x3.5, 9.5x4 flat & vee ...$82.00
EMERALD DOPS 6 Dops- 12.5x5.3, 16x6, 19x9.5 flat & vee...$75.00
EMERALD DOPS THIN 5x2, 6.4x2, 8x2, 9.5x2.2 ...$82.00
EMERALD DOPS THIN 12.7x2.5, 15.9x3, 19x4.5 ...$75.00

Mark IV
(We no longer provide this machine)

Designed specifically for the home--small, lightweight, easy to store and portable! Has a high speed, powerful, permanent magnet motor nestled inside the 17-1/2" cabinet together with a continuously variable speed controller. Faceting head and mast are investment cast aluminum/magnesium alloys that are machined and fitted to extremely close tolerances. All spindles and bar stock are precision-turned stainless steel for maximum durability and lasting beauty. All components are of space-saver size with the performance of a full size faceting machine. The faster running Mark IV will speed preforming and occasional cabochon work. Comes with a solid state speed controller and an on/off switch coupled to a high speed permanent magnet motor. The belt, pulleys, switch and extra long 3-conductor cord are factory assembled and wired to produce a full power continuously variable speed range of 0 to 600 RPM! Just plug it in and it’s ready to run. The sturdy castings are assembled on a handsome 9 1/2" x 17 1/2" walnut mica cabinet for easy cleaning and lasting beauty. Our dependable, fast, and easy faceting head is accurate to 1/10 of a degree. Our machine will do EVERYTHING competitive makes will do except it will cut faster, longer, and save you hundreds even thousands of dollars.
The choice is easy ... GRAVES!
Standard Features:
  1. LAMP... Completely wired. Switch is on top of shade. The tilting swivel Shade is set on an extra long, flexible vinyl coated gooseneck. Accepts a 100 watt bulb for maximum illumination.
  2. DRIP TANK... Made of crystal clear acrylic for easy viewing of coolant level. Solid brass and copper fittings allow you to accurately control the flow of coolant to the lap. Tank assembly easily lifts off for quick and easy cleaning.
  3. DOP SET... 14 solid brass, precision-turned, keyed dops, table dop, and convenient holder for all items.
  5. INSTRUCTIONS... 32 pages with illustrations

The faceting head and the mast are made from a cast aluminum and magnesium alloy for super strength and then machined and fitted to extremely close tolerances. All spindles and bar stock are precision-turned stainless steel to provide maximum durability and lasting beauty.

The 9½ x 17½ walnut mica cabinet is easy to clean and will retain its lasting beauty. The angle indicator can be set to 1/10 degree vernier settings for accuracy. 110V machine is standard.

Shipping weight is 42 pounds.

Our price for 110v machine
with standard features and Accessory Kit
The 220V Export model machine is available for an additional $120.00.
Allow 10-day lead time.

For Accessory Kit info, see below.
  The kit includes everything you need to start cutting right from the box!

To Order
Accessory Kit comes complete with:
  • 8" GROOVED DISC... 360 grit diamond lap, nickel bonded for fast, smooth roughing and preforming.
  • 8" STANDARD DISC... 1200 grit diamond, metal bonded in nickel for extra-fine cutting and pre-polishing.
  • 8" PLASTIC LAP... Flat ¼" thick acrylic polishing lap. Use as master lap or score for use with compounds.
  • STICK SHELLAC... A colorless heat-sensitive adhesive for temporary bonding the gem to a dop.
  • ULTRALAP... Six-pack of three different polishing compounds charged on a thin flexible plastic disc.
  • DIA-CUT... A special coolant for diamond laps that contains inhibitors to improve cutting efficiency and prevent rusting.

All items are subject to availability.
Prices may change at any time.

To Order

Minimum Order is $50
Orders Less than $50 will be charged an additional $8.50

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Calculate your costs
United States Postal Service (USPS)
or United Parcel Service (UPS)
$9.50 minimum
Add 75 cents per 5 pounds of weight for handling.

$2.00 minimum.
(UPS cannot ship to P.O. Boxes.)

Apply the following rates

for shipping and handling costs
anywhere in USA by carrier and service of our choice:

under 3 pounds,
under 3 pounds, add $13.50,
3 pounds to 4.9 pounds, add $16.50,
5 pounds to 9.9 pounds, add $19.50,
10 pounds to 14.9 pounds, add $27.50,
15 pounds to 24.9 pounds, add $39.50,
25 pounds to 49.9 pounds, add $49.50,
50 pounds to 69.9 pounds, add $63.50,
70 pounds to 99.9 pounds, add $83.50,
100 pounds to 149.9 pounds, add $139.50,
over 150 pounds, FOB plus $15.00 for handling.

Ask for costs for shipping outside of USA.

Payment Information
We accept
Cashier's check, Postal Money Orders.
We also accept
personal checks ,
but allow 15 working days to clear bank processing.

Make checks and money orders
payable to "Jack Slevkoff"
We no longer accept credit cards due to credit card fraud and identity theft.
No Western Union.

We now accept payment via PayPal.
PayPal charges a fee for this service.
Be sure to
add 4% to total to defray PayPal fees
so it does not come out of the amount We are to receive.

If you have a PayPal account,
go ahead and make the payment.
to Our account which is

If you do not have a PayPal account,
please let Us know via email so that We can set up an invoice on PayPal
and have PayPal send it to you via your email address.
When you receive the invoice, just follow PayPal's instructions
and make payment accordingly for the amount We indicate.
You do not have to be a PayPal member to make payment.

Let Us know via email that payment has been made.
Be sure to indicate what you are requesting,
the amount and costs, provide destination information,
name, and phone number.

We do not have any packages sent out until payment is received in full.

We are in The California state republic
venue not the corporate venue "CA"

Info on California Sales Tax

Insurance is an additional $1.50
for each increment of $100 being insured.
If you want insurance, add these charges to your order.

Make checks payable to
Jack Slevkoff
Personal and Business Checks must clear
before items are sent out.
Money Orders or Cashiers Checks are preferred.

Wires are a quick way to make payment
especially for those who are outside the US.
Our Routing and Account information
will be provided upon request.

When ordering, please indicate
any specials or discounts that apply.

Thank you.

Email us at:

Our temporary post (mailing) location is:

Jack Slevkoff's Prized Possessions Division
c/o 4460 West Shaw Avenue, Suite 140
Fresno [Non-Domestic]
California [Zip Exempt]

To Order

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