Precision Cut Stones

The following stones were all cut by Precision Faceters on modern machines. All of the rough was supplied by Cathy from her personal acquisitions, and commissioned to be cut for sale on the site.  Please note that these gemstones were NOT cut by David Dawson.  The individual Precision Faceter is notated below for each stone.

………………………………………………………………………………………………………………………………………………………………………………………………….

 

HUGE BLUE UMBA SAPPHIRE

GIA Type II Gemstone

Faceter: Jim Rentfrow
Style: Trillion
Weight: 5.26cts
Size: 11.52mm x 11.12mm x 6.13mm
Clarity: VS Eye Clean (slight silk and growth lines viewed under 10x mag)
Color: Blue
Treatment: NONE
Origin: Umba Valley, Tanzania

Price:  $ If interested please contact for details  by using the contact us link on the website

ORDERING: Please specify item# SAPF526u

Description: This is one amazing sapphire!  It’s a very dichroic  Ceylon blue with lighter blue coming in. This is extremely large for a untreated sapphire of this quality.These photos are taken by me in natural daylight.  I’m not the best photographer (still learning).  I apologize for any lint or blur in the photos.

………………………………………………………………………………………………………………………………………………………………………………………………….

 

PURPLISH PINK TO VIOLET BLUE UMBA SAPPHIRE

GIA Type II Gemstone

Faceter: Jim Rentfrow
Style: Oval/Lozenge
Weight: 2.63cts
Size: 11.20mm x 6.20mm x 4.66mm
Clarity: VS nearly Eye Clean (only a feather on side that will be covered by a prong setting)
Color: Blue/Pink
Treatment: NONE
Origin: Umba Valley, Tanzania

Price:  $ 1499.00

ORDERING: Please specify item# SAPF263u

Description: This is a very unique sapphire violet blue tipped with a pink center.  There’s a small inclusion on the side where a setting prong will cover, and is only noticable if you tilt the stone just right.  Other then that one spot she’s very clean.

………………………………………………………………………………………………………………………………………………………………………………………………….

 

PADPARADSCHA  SAPPHIRE – UMBA

GIA Type II Gemstone

Faceter: Jim Rentfrow
Style: Emerald
Weight: 1.54cts
Size: 7.13mm x 4.68mm x 4.24mm
Clarity: VVS
Color: orangish Pink
Treatment: NONE
Origin: Umba Valley, Tanzania

Price:  $ TBD

ORDERING: Please specify item# SAPF154u

Description: This is a Beautiful Umba Pad.  she’s a “RARE” VVS nearly loupe clean, and exhibits that sought after orangish Pink coloration.  These photos are taken in natural daylight under differing daylight conditions.

………………………………………………………………………………………………………………………………………………………………………………………………….

 

NIGERIAN PINK RED TOURMALINE

GIA Type II Gemstone

Faceter: Jim Rentfrow
Pattern: Portuguese Round
Weight: 4.42carats
Size: 10.42mm x 7.39mm
Clarity: VS-VVS  Eye Clean
Color: Fushia- pink red
Treatment: None
Origin: Nigeria

Price:  SOLD!

ORDERING: Please refer to item # TOUF442fp

Description: Presented here is a mesmerizing Nigerian Pink Red tourmaline. Expertly faceted in a Portuguese Round.  This stones just lights up! Most would refer to this natural unheated untreated tourmaline as Rubellite, is eye clean and will surely NOT disappoint!

Side Note: This material is becoming increasingly difficult to secure. Open color “C” axis (I know this is obvious to most)

………………………………………………………………………………………………………………………………………………………………………………………………….

 

NIGERIAN BUBBLE GUM PINK TOURMALINE

GIA Type II Gemstone

Faceter: Jim Rentfrow
Pattern: Square Cushion
Weight: 4.06carats
Size: 9.00mm x 9.13mm x 7.07mm
Clarity: VS2   (feather in corner expertly hidden in the faceting, will be covered by setting) if it wasn’t for the feather this stone would be VVS.
Color: Bubble Gum Pink
Treatment: None
Origin: Nigeria

Price:  $ 799.00 USD

ORDERING: Please refer to item # TOUF406bp

Description: “Shockingly awesome” Nigerian bubblegum Pink tourmaline!  Think Bazooka bubble gum!  This stone is has a feather in one corner expertly hidden in the facets.  It should be totally invisible and covered when set. If it weren’t for that one small flaw in the stone this would be considered VVS clarity. This stone also holds its color well under varying  lighting conditions.

Side Note: Open color “C” axis ( I know this is obvious to most)

……………………………………………………………………………………………………………………………………………………………………………………………….

 

NIGERIAN RUBELLITE TOURMALINE

GIA Type III Gemstone

Faceter: Jim Rentfrow
Pattern: Square Cushion
Weight: 2.38carats
Size: 7.30mm x 7.30mm x 5.88mm
Clarity: VS  EC
Color: Fushia Pinkish purple Red  Nice and bright
Treatment: None
Origin: Nigeria

Price:  SOLD!

ORDERING: Please refer to item # TOUF228rub

Description: This is a stunning unheated untreated Nigerian Rubellite tourmaline, color doesn’t get much better than this!  I just could not do this stone justice in my photos.  This stone holds its color well in all lighting conditions!

There are inclusions noted at 10x, and possibly if the light hits the stone exactly right. However, my eye doesn’t see anything.  This stone is so lively, luscious and bright it’s sure to make that special someone very happy.  Even if that special someone is you!

Side Note: Open color “C” axis. (again I know this is obvious to most)  I have to be the worst photographer…….sorry to offend your eyesight.

………………………………………………………………………………………………………………………………………………………………………………………………….

 

AFGHAN BLUE GREEN TOURMALINE

GIA Type II Gemstone

Faceter: Jim Rentfrow
Pattern: Rectangular Cushion Cut
Weight: 1.69carats
Size: 8.14mm x 6.25mm x 4.81mm
Clarity:VVS
Color: Blue Green
Treatment: None
Origin: Mawai, Afghanistan

Price:  $ 645.00 USD RESERVED FOR S.L.

 

ORDERING: Please refer to item # TOUF169abg

Description: This is a lovely blue green Afghan tourmaline.  Beautifully faceted to the highest USA standards!  As a bonus and if interested….I have a matched pair of square cushions that will work well with this stone. See item# TOUF310abgSTE .  All three stones were cut from the same crystal.

Side Note: Open Color “C” axis

………………………………………………………………………………………………………………………………………………………………………………………………….

 

AFGHAN BLUE GREEN TOURMALINE SUITE

GIA Type II Gemstone

Faceter: Jim Rentfrow
Pattern: Square Cushion Cut
Weight: 3.10carats total  pair 2 stones
Size: 8.14mm x 6.25mm x 4.81mm
Clarity:VS and VVS
Color: Blue Green
Treatment: None
Origin: Mawai, Afghanistan

Price:  $ SOLD!

ORDERING: Please refer to item # TOUF310abgSTE

Description: This is a beautiful suite of greenish blue Tourmaline.  One stone in this suite is VS and the other VVS both are EC.  They will match well with item # TOUF169abg .  They are all cut from the same crystal.

Side Note: Open Color “C” axis

………………………………………………………………………………………………………………………………………………………………………………………………….

 

AFGHAN GREENISH BLUE TOURMALINE

GIA Type II Gemstone

Faceter: Jim Rentfrow
Pattern: Ziggy Bar
Weight: 3.36carats
Size: 20.06mm x5.09 mm x3.84 mm
Clarity: SI
Color: Stunning greenish Blue
Treatment: None
Origin: Mawai, Afghanistan

Price:  $  899.00USD

ORDERING: Please refer to item #TOUF336a

Description: Presenting a gorgeous Afghan Greenish Blue tourmaline.  This stone has a few typical inclusion (as viewed in the photos) that should be less notable when set.  Perfect for a pendant!

Side Note: Dark “C” axis

………………………………………………………………………………………………………………………………………………………………………………………………….

 

AFGHAN BLUE TOURMALINE INDICOLITE

GIA Type II Gemstone

Faceter: Jim Rentfrow
Pattern: ziggy bar
Weight: 1.49carats
Size: 10.22mm x 5.27mm x 3.67mm
Clarity: SI
Color: Blue
Treatment: None
Origin: Mawai, Afghanistan

Price:  $  347.00USD

ORDERING: Please refer to item #TOUF149abi

Description: Rare Blue Afghan Indicolite tourmaline.  My eye does not note any green secondary.  I would describe the color as a sapphire blue with a vsl. grayish secondary.  There are a few scattered minor inclusions, with one on the end of the stone very well hidden.  Once set it should be totally out of sight.

Side Note: Dark “C” axis

………………………………………………………………………………………………………………………………………………………………………………………………….

 

TANZANIAN ORANGE TOURMALINE

GIA Type II Gemstone

Faceter: Jim Rentfrow
Pattern: round brillant
Weight: 2.01carats
Size:  8.16mm x5.33 mm
Clarity: VVS
Color: Orange
Treatment: None
Origin: Tanzania

Price:  SOLD!

ORDERING: Please refer to item #TOUF201to

Description: The photos don’t do this stone justice. It is an Orange tourmaline from Tanzania.  It exhibits a beautiful almost mandarin spessartite color, with a very slight golden yellow secondary. This stone exhibits an amazing glow, as if it contains its own internal light source. Just beautiful!

Side Note:  Open color “C” axis. Displays RED Chelsea filter reaction, indicative of chrome content.

………………………………………………………………………………………………………………………………………………………………………………………………….

 

MERELANI MINT/TSAVO

GIA Type II Gemstone

Faceter: Jim Rentfrow
Pattern: Brillant Oval
Weight: 2.45carats
Size: 10.13mm x7.33mm x4.72
Clarity:VVS
Color: Vsl. Bluish Green STUNNING COLOR! slightly greener than photos indicate
Treatment: None
Origin:Merelani Hills,Tanzania

Price: SOLD!

ORDERING: Please refer to item #MTGF245

Description: This is an amazing  NEON very slightly bluish green mint/Tsavo from the deposit that was found in Tanzania approx four years ago and hit the world by storm with its intense color. This stone is VVS clarity, precision cut, and faces up large.  The stone in hand is slightly more green then displayed in the photos. This is a real beauty!!!

………………………………………………………………………………………………………………………………………………………………………………………………….

 

MERELANI MINT GARNET

GIA Type II Gemstone

Faceter: Jim Rentfrow
Pattern: Portuguese Round
Weight: 1.72carats
Size: 7.48mm x 4.80mm
Clarity:VVS
Color: Minty light green
Treatment: None
Origin:Merelani Hills,Tanzania

Price:  $ 950.00 USD

ORDERING: Please refer to item #MTGF172

Description: Lovely Merelani Mint garnet.  This stone is a very delicate minty green, and precision faceted in an eye catching Portuguese round.

………………………………………………………………………………………………………………………………………………………………………………………………….

 

TANZANIAN MAHENGE RED PINK SPINEL

GIA Type II Gemstone

Faceter: Jim Rentfrow
Pattern: oval
Weight: 1.24carats
Size: 8.18mm x 5.09mm x4.36mm
Clarity: VS-VVS slight silk
Color: Red Pink wine
Treatment: None
Origin: Mahange, Tanzania

Price:  SOLD!

ORDERING: Please refer to item #SPRF124m

Description: Very nice affordable precision cut Mahenge spinel.  This stone is very slightly sleepy and displays strong fluorescence in sunlight.

A very pretty pinkish wine Red spinel that hales from Tanzania.

………………………………………………………………………………………………………………………………………………………………………………………………….