Tucson Colored Gemstone Update Presented by Kusam Malhotra, G.G. - - PowerPoint PPT Presentation

▶
tucson colored gemstone update
SMART_READER_LITE
LIVE PREVIEW

Tucson Colored Gemstone Update Presented by Kusam Malhotra, G.G. - - PowerPoint PPT Presentation

Nov 02, 2022 360 likes •907 views

Tucson Colored Gemstone Update Presented by Kusam Malhotra, G.G. (GIA) Helen Serras-Herman & Kusam Malhotra Emeralds from Shakiso - NEW Ethiopian Mine Wholesale prices: 2-4 cts $550-$800 per carat, >4 cts $850-$1200/ct, 15-30 cts

slide-1
SLIDE 1

Tucson Colored Gemstone Update Presented by Kusam Malhotra, G.G. (GIA)

Helen Serras-Herman & Kusam Malhotra

slide-2
SLIDE 2

Emeralds from Shakiso - NEW Ethiopian Mine

Wholesale prices: 2-4 cts $550-$800 per carat, >4 cts $850-$1200/ct, 15-30 cts $1800K-$3K/ct

slide-3
SLIDE 3

Emeralds from Shakiso - NEW Ethiopian Mine

Inclusions noticeable by eye, nice bright color, expect the price to go up from here!

slide-4
SLIDE 4

Natural Uncut Diamonds from Australia

Rough 1-3cts $150 - $400 per carat Matching Pairs

slide-5
SLIDE 5

Natural Champaign Diamonds

$600 - $ 1500 per carat

slide-6
SLIDE 6

Natural Fancy Color Diamond Melee

slide-7
SLIDE 7

Natural Pink Golden Yellow Diamond Melee

slide-8
SLIDE 8

Natural Color Diamond Melee

Designers love the color and matching sets for unique designs. Total melee was 2ct to 10ct mixed lots Pink $1500 - $2K per carat Intense Pink $2K - $3K per carat

slide-9
SLIDE 9

Natural Fancy Color Diamonds

Assorted Cut and Shapes

slide-10
SLIDE 10

0.25ct – 2.0ct $3K - $5K per carat

slide-11
SLIDE 11

Rhodochrosite Jewelry

slide-12
SLIDE 12

Finest Rhodochrosite from Climax Mine

This 20ct gem was offered at $30K Old stock as these Colorado mines are no longer in production.

slide-13
SLIDE 13

Extra Fine Rhodochrosite

slide-14
SLIDE 14

Flat Cab Tourmalines from Madagascar

Interesting Color combinations, $15 - $25 per carat

slide-15
SLIDE 15

Poor Quality Rubellite Tourmalines from Madagascar

$75 - $150 per carat

slide-16
SLIDE 16

Poor Quality Rubellite Tourmalines from Madagascar

$125 - $200 per carat

slide-17
SLIDE 17

Carved Opal from Peru

$10 per carat

slide-18
SLIDE 18

Carved Opal from Peru

slide-19
SLIDE 19

Black Sapphire ??? From Madagascar $25 - $50 per carat

slide-20
SLIDE 20

Natural Purple Unheated Sapphire Extra Fine Gemstone 4.22 cts $4.5K From Madagascar

slide-21
SLIDE 21

Extra Fine Oval Mint Green Tourmaline 37 cts from Madagascar Natural Orange Sapphire from Madagascar

slide-22
SLIDE 22

Unheated Natural Purple Sapphire From Madagascar

There was very little garnet displayed at the show, but lots of sapphire.

slide-23
SLIDE 23

Natural Pink Sapphire

slide-24
SLIDE 24

Natural Pink Sapphire Cushion Cut 3.38 cts $4500 - $5K per carat

slide-25
SLIDE 25

Natural Pink Sapphire Extra fine oval 3.68 cts

slide-26
SLIDE 26

Natural Unheated Pink Sapphire Extra Fine 4.39 cts Cushion Cut

Heated Pink Sapphire $5K - $6K per carat UnHeated Pink Sapphire was as much as $9K per carat

slide-27
SLIDE 27

Natural Unheated Blue Sapphire Oval 3.02 cts

UnHeated Blue Sapphire $4.5K – $5K per Carat Heated Blue Sapphire $3K – $4K per Carat

slide-28
SLIDE 28

Natural Unheated Blue Sapphire Fine Blue Oval 3.14 cts

slide-29
SLIDE 29

Natural Heated Blue Sapphire Extra Fine Cushion Cut 5.32 cts

slide-30
SLIDE 30

Natural Unheated Fine Ruby Oval 2.53 cts from Mozambique

slide-31
SLIDE 31

Heated Thai Ruby Very Fine Oval 1.71 cts

slide-32
SLIDE 32

Natural South Sea Pearls

$5K $5K - $7 $7.5 .5K per Str trand

slide-33
SLIDE 33

Tanzanites

Found in 1972 natural out of mine color is beige or brown, heated to get blue color. Poor cut and too much purple $450 - $550 per carat

slide-34
SLIDE 34

$385 $3850

slide-35
SLIDE 35

Ruti tiliated Quartz & & Dia iamonds

$350 $3500

slide-36
SLIDE 36

Fancy Cut Ruli lite Quartz & & Dia iamonds

$280 $2800

slide-37
SLIDE 37

Emerald & Dia iamond Earrings

$4K $4K-6K

slide-38
SLIDE 38

Crocoite from Australia

2018 Theme was Crystals & Crystal Forms

Mineral specimens are big business fetching $15K or more each.

slide-39
SLIDE 39

Tourmaline Cry rystal from Brazil

slide-40
SLIDE 40

Tourmaline Twin Cry rystal

slide-41
SLIDE 41

Emerald Cry rystal

slide-42
SLIDE 42

Gold Mountain

slide-43
SLIDE 43

Rare Min inerals

slide-44
SLIDE 44

Rare Min inerals

slide-45
SLIDE 45

Amethyst & & Quartz

slide-46
SLIDE 46

Stib ibnite

slide-47
SLIDE 47

Flu luorite Quartz Orthoclase

slide-48
SLIDE 48

Azurite & & Malachite

slide-49
SLIDE 49

Pyromorphite From Chin ina

slide-50
SLIDE 50

19th Century’s Collection

Look above the cases of mineral crystal specimens and you will find 19th Century wooden representations of the crystal form

  • f each crystal displayed in each case.
slide-51
SLIDE 51
slide-52
SLIDE 52
slide-53
SLIDE 53