OUR GEMSTONES
For more then 40 years, menahem and kobi sevdermish, together, source the rough in various parts of the world particularly in africa, cutting and polishing the stones in the company-owned lapidary in bangkok
QUICK SEARCH FOR GEM ITEM
Choose Category
Designs
Loose Gems
Matching Pairs
Parcels
Choose Gem Type
AMETHYST
AQUAMARINE
CHAMPAGNE GARNET
CHROME DIOPSIDE
CHROME TOURMALINE
COLOR CHANGE GARNET
COLOR CHANGE GARNET (LINDI)
CUT MIX GEMSTONES
EMERALD
GROSSULAR GARNET
MALAYA GARNET
MORGANITE
PERIDOT
PEZZOTAITE
RED GARNET
RHODOLITE GARNET
RUBY
SAPPHIRE
SAPPHIRE FANCY
SAPPHIRE PINK
SAPPHIRE SONGEA
SAPPHIRE YELLOW
SAPPHIRE, PADPARADSCHA
SAPPHIRE, UNHEATED YELLOW
SCAPOLITE
SPESSARTITE GARNET
SPHENE
SPINEL BABY PINK
SPINEL FANCY
SPINEL PINK
SUN STONE
TANZANITE
TANZANITE FANCY COLOR
TOURMALINE
TOURMALINE GREEN
TOURMALINE, FANCY COLOR
TOURMALINE, PARAIBA
TOURMALINE, RUBELLITE
TSAVORITE GARNET
ZIRCON
Choose Shape
BAGUETTE
CABOCHON
CUSHION
EMERALD
FANCY
HEART
MARQUISE
OVAL
PEAR
PRINCESS
ROUGH
ROUND
SQUARE
SQUARE EMERALD
TRILLION
Choose Weight
Under 1 Ct.
1 Ct. - 3 Ct.
3 Ct. - 5 Ct.
5 Ct. - 7 Ct.
7 Ct. - 10 Ct.
10 Ct. - 15 Ct.
15 Ct. - 20 Ct.
20+ Ct.
Choose Color
BLACK
BLUE
BROWN
CHAMPAGNE
GRAY
GREEN
MULTY
ORANGE
PINK
PURPLE
RED
VIOLET
YELLOW
Choose Budget
1-199
200-499
500-999
1000-1999
2000-4999
5000-9999
10000+
RECOMMENDED PRODUCTS
TOURMALINE, RUBELLITE 16.94ct
16.94ct, PINK, TOURMALINE, RUBELLITE, CUSHION, BRAZIL
SIGN UP FOR DETAILS
Have a look at our amazing collectors’ items.
Advanced quality specializes in unique, one of a kind gems cut from rare rough sourced by us.
Advanced Quality’s outstanding expertise in cutting ensures fine quality faceted gems.
These gems are an exceptional addition for any collector.
