Untreated Gems

♥ Welcome to Blue Star Gems Our Joyful and Meaningful Jewelry At Blue Star Gems, we are passionate

buy confidently from our shop, knowing that we only sell natural, untreated Tanzanite stones. Our gems

natural and untreated quality, as most sapphires undergo some form of enhancement to improve their color

rubies for over a thousand years, and is famous for its high-quality and beautiful gems. Burmese blue

selected to give out a charming colour palette. All Gemstones are untreated and unheated, rare as earth

desirable of all colours in Australian opals. It is a natural, untreated gem with a distinctive colour play

untreated gems are becoming rare and hence this is definitely an "investment gemstone"! The Pink Spinel is

excellent quality. The origin of the gemstone is Madagascar. Red untreated gems are becoming rare and hence

Meet natures 3.28ct Radiant Cut No-Oil Natural 100% Untreated Emerald Loose Gemstone. This gem

Persian Turquoise Gemstone from Heaven! Magnificent totally untreated 100% NATURAL as mined from

appearance. The 4.26 carat antique-cut sapphire stands out for its untreated cornflower blue color. The gem

size and 14k gold color. Ring Information Center Gem: ~ Natural untreated Rhodolite Garnet ~ Gemstone

.” – Alexia Connellan The Gems: The untreated spessartite garnets in the studs were ethically mined in

Below Metal: 18 Kt white gold Hallmarks: assay and maker Gems: 1 natural untreated un dyed Salmon

/worn Gems: 10 natural untreated Persian turquoise of 6 mm. x 8 mm. (average) – 2 old mine cut diamonds

widest point It can be re-sized Further Details Below Metal: 18 Kt yellow gold Hallmarks: assay Gems: 1

Unheated Pink Purple Sapphire 0.47ct Oval Cut Loose Untreated Gem 5 x 3.8mm Natural Untreated

1.46ct Unheated Blue Green Yellow Sapphire Oval Cut IGI Certified Untreated Gem Bluish Yellowish

1.45ct AIG Certified Green Blue Sapphire Oval Cut Rare Untreated Gem No Heat AIG Certified Blue

Natural Untreated Green Australian Sapphire Gemstone. 1.12 Carat with a beautiful vivid green

, untreated gem, is offered loose and would make an exceptional, unisex, custom made jewelry creation. The AGL

Handmade custom cut bright blue Lapis cufflinks with untreated gem blue Lapis. Wave design. Secure

and untreated gem of a lovely avocado green. Zircon has one of the highest refractive indexes of any

Natural Untreated Green Sapphire Gemstone. 0.71 carat stone with a beautiful green colour and good

GIA Certified 1.46Ct Untreated 'Lagoon' Blue Green Sapphire Cushion Cut Gem Natural GIA Certified

Fine Natural Untreated Australian Green Sapphire Gemstone. 1.12 Carat with a beautiful yellow

Fine Royal Blue Untreated Australian Sapphire Gemstone. 0.83 Carat with a beautiful royal blue

Rare Natural Untreated Colour Change Sapphire. 1.21 Carat with an excellent triangle trillion cut

GIA Certified Untreated Yellow Sapphire Gemstone. 1.04 Carat unheated sapphire with a beautiful

Natural GIA CERTIFIED Colour Change Sapphire 1.00ct UNTREATED Oval Cut RARE Gem GIA Certified Rare

Natural untreated green blue loose sapphire in IGI Blister. 1.21 carat stone, with an excellent

Natural Fancy Orange loose diamond. 0.15 carat. Untreated stone with rare and natural Fancy orange

pear teardrop cut. Fully certified by IGI in Antwerp, one of the best and most well equipped gem labs

cut. Fully certified by IGI in Antwerp, one of the best and most well equipped gem labs. Totally

rubies, yet with its own distinct sparkle. As a natural, untreated gem, it retains its authentic beauty

Natural untreated light blue Sapphire. 1.21 carat stone with a good pear cut. Fully certified by

Fine Untreated Greenish Blue Sapphire Gemstone. Fine quality unheated sapphire with a beautiful

Rare Untreated Colour Change Sapphire Gemstone. 1.01 Carat unheated sapphire with a rare colour

Rare Untreated Colour Change Sapphire Gemstone. 1.18 Carat unheated sapphire with a rare colour

Rare Untreated Bi Colour Sapphire Gemstone. 1.79 Carat unheated sapphire with a rare bi colour

Rare Untreated Bi Colour Sapphire Gemstone. 1.37 Carat unheated sapphire with a rare bi colour

untreated. Very rare for natural sapphires.
1.09 Carat with very good clarity, a very clean stone with only

NATURAL UNHEATED Ruby GIA CERTIFIED Deep Red 0.67ct Heart Cut Untreated RARE Gem GIA Certified

1.49ct Deep Blue GIA Certified Untreated Sapphire Pear Cut No Heat Rare Gem Untreated GIA

Deep Royal Blue Untreated Oval Cut Sapphire IGI Certified 0.63ct Loose Rare Gem Natural Deep Royal

Antwerp, one of the best and most well equipped gem labs. This stone is totally untreated and unheated

elegance and durability. This untreated gem originates from Africa, where the finest garnets are sourced

GIA confirming stone as natural and untreated. Very rare for natural sapphires.
Mined in Thailand

by AIG. Totally untreated Jadeite jade, referred to as ‘A’ grade in the trade. Mined in Burma

finest sapphires, this untreated gem stands as a testament to nature’s artistry and authenticity. Its

stone’s incredible depth and vibrancy. This untreated gem, certified by AGL lab, sapphire measures 22.88 x

Untreated 0.57ct Vivid Green Sapphire Pear Teardrop Cut Gem 5.8 x 4mm Natural Vivid Green

Heated To Improve Color and Clarity. Only The Top 1% Of Sapphires Don't Need It. These Untreated Gems

Fine Australian Blue Purple Sapphire Untreated 0.53ct Cushion Cut Gem 4.5x4.2mm Natural Fine Blue

Fine 1.02ct Green Untreated Australian Sapphire Octagon Cut 6.4x4.8mm Loose Gem Fine Natural

Fine 0.74ct Vivid Green Untreated Sapphire Australian Cushion Cut Gem 5 x 4.6mm Fine Natural

Fine 1.12ct Green Untreated Australian Sapphire Octagon Cut 6.3 x 4.2mm Loose Gem Fine Natural