I always wonder why there isn’t a song dedicated to tanzanite? Its rare, head-turning blue-violet hues are so captivating, it demands a chart-topping anthem. Discovered in the 1960s, this December birthstone is also known as the “gem of a generation.” That’s because its supply is limited to a single mine—Tanzania.
One glance and you’ll see why collectors, jewelers and romantics are obsessed. But buying tanzanite isn’t just about picking the prettiest rock. Cut, clarity, carat and even authenticity play a massive role in its value. That’s why this ultimate guide is here! It will simplify your search, answer your doubts and make sure your next purchase is worth every bit of admiration.
What’s Special About Tanzanite
Ever noticed how certain jewelry scenes in movies make you go ga-ga
That’s exactly what tanzanite does—it steals the spotlight without doing much. Unlike rubies and emeralds, this gem doesn’t have centuries of stories. However, it’s got modern fame that makes people do double takes.
Found in the shadow of the Merelani Hills, this Saggitarius birthstone’s scarcity alone gives it a VIP vibe. Holding one is like owning a secret that the world wants in on. And yes, it’s that rare. Every angle shows a slightly different color, so it’s basically a little mood ring of elegance. If sapphire had a younger, cooler cousin, it would be tanzanite.
Why Tanzanite is So Rare
Tanzanite isn’t just rare—it’s dramatically rare. It’s like winning backstage passes to Beyoncé’s tour—yeah, now you get it!
The gem is mined only in one region, hence supplies are limited and predicted to dwindle further. This makes each gem a mini treasure chest. But rarity isn’t the whole story. The gem plays tricks on your eyes.
It flashes deep blue, violet or even hints of burgundy depending on different lighting conditions. This optical magic, called pleochroism, makes it feel alive like the stone carries its own aura. Thus, when you wear tanzanite jewelry, you aren’t just accessorizing; but making a statement. And to be honest, everyone wants a gemstone that’s basically a conversation starter.
The 4Cs of Tanzanite
Buying tanzanite is like going out on a date; you need to know what makes it a win-win!
The 4Cs (color, clarity, cut and carat) are the personality checklist. Color steals the show; deep, rich blue-violet is the “main character energy” you’re after. Clarity is the next important thing. Presence of small inclusions are okay, but flawless stones are rare.
Cut can make your gem literally glow, reflecting light like it’s auditioning for Broadway. And if we talk about carat, it tells us that bigger isn’t always better. A tiny stone with perfect color can outshine a bulky, pale one any day. Think of these Cs as your personal gem filter. They can help you find the gem of your dreams.
Heat Treatment
Let me tell you a fact! Almost every tanzanite you see has been heat-treated.
But don’t freak out—it’s not “fake.” The heat treatment process is widely accepted in the jewelry world. It enhances the blue-violet hue hiding under the rough brownish tint. Think of it as a little gem glow-up like a spa day but unlike yours, it’s permanent.
Heat treatment is safe and actually helps you get the color you desire. The key is transparency! A well-known jeweler will tell you straight up whether your stone has been treated or not. If they’re dodging the question, run faster than a weekend sale. When done right, a heat-treated December gem is basically the same, just more fabulous and ready to turn heads.
Certificate of Authenticity
Tanzanite’s rarity makes it an easy target for counterfeits.
Sapphires, spinels or synthetic imitations can try to sneak into your jewelry box, so don’t let it happen to you. Always insist on certificates from trusted labs such as GIA or AGS. It’s proof that what you’re holding is legit.
Without it, you are risking your money for a glorified glass paperweight. Certificate of authenticity lists treatments, clarity, carat and origin. You can say it is the Instagram profile of your stone—everything you need to know in one credible snapshot. With proper certificates, your gem becomes a long-term investment and the ultimate brag-worthy piece.
Understanding the Value
Tanzanite’s value isn’t just in the carats, read more to know.
Deep, saturated blue-violet large stones are the real deal, commanding top dollar. Light shades and small stones are more affordable. Still, they’re jaw-dropping enough to make you the headlines next morning.
Moreover, this purple gemstone costs less than similarly colored sapphires. Thus, you can channel Elizabeth Taylor’s energy without burning a hole in your pockets. No matter whether you’re gifting someone else or splurging on yourself, tanzanite gem offers luxury and style in one dazzling package.
Set a Budget Before You Fall in Love
Before you let tanzanite steal your heart, set your boundaries, I mean budget.
Tanzanites are rare and gorgeous. Therefore, it’s natural to get carried away by color and sparkle. Decide what you’re willing to spend, whether it’s a modest piece under $500 or a statement stunner in the thousands.
Consider the quality of your gem rather than focusing on the size. Having a budget keeps your shopping fun, focused and stress-free. Also, it helps you compare stones and settings without impulse buying. With a clear plan, you can find a tanzanite gem that dazzles your eyes and respects your wallet.
Choosing the Right Jewelry Setting
Once you’ve snagged your tanzanite, it’s time to dress it up.
Rings in halo or solitaire styles show off the best hue of the December birthstone. Pendants with simple prongs let the stone take center stage without extra distractions. Tanzanite earrings with diamonds and you’re basically walking in a jewelry ad.
But remember, tanzanites are delicate stones, so protective settings are a must. Bezels, halos or even prongs can prevent chipping or scratching. It’s like fashion with function—glamorous yet practical. All in all, choosing the right setting isn’t just about aesthetics; it’s about keeping your gem happy and healthy while looking chic. Wear it, flaunt it and let it do all the talking.
Take a look at some of our popular tanzanite jewelry pieces that are bound to bring you compliments.
Tanzanite Emerald Cut Diamond Bracelet
Stone(s): 23 Tanzanites & Diamonds
Metal: 14K White Gold
Item Number: BR1170
Price: $5220
Tanzanite Toi et Moi Ring
Stone(s): 1 Tanzanite & 1 Diamond
Metal: 14K Yellow Gold
Stone Code: TZ119068P
Setting Code: R12090TZ
Price: $9636
Tanzanite Halo Studs
Stone(s): 2 Tanzanites, 48 Diamonds
Metal: 14K Rose Gold
Stone Code: TZP118814EC
Setting Code: E20234TZ
Price: $14,344
Vintage-inspired Tanzanite Pendant
Stone(s): 1 Tanzanite, 23 Diamonds
Metal: Platinum
Stone Code: TZ115018OV
Setting Code: P30266TZ
Price: $23,121
The Right Time to Buy
Tanzanite is a rare gem and its value only goes up with time! (
So, buying a tanzanite jewelry today would be a smart decision. Limited availability means some stones sell out fast, especially in popular sizes (such as rounds & emerald-cuts) and rich blue-violet shades.
Many brands also release seasonal collections or curated sets that won’t last long. They give you the chance to grab something unique before it’s gone. By acting now, you lock in a gem that could become a future heirloom. Plus, keeping an eye on exclusive offers or new arrivals can help you find a piece that feels one-of-a-kind.
Get Your Bling!
Tanzanite isn’t just rock—it’s a mood, a story and a mini adventure rolled into a gemstone.
Its rarity, dual hues and modern history make it the ultimate eye-catcher. Every glance reminds you it’s not just beautiful; it’s one-of-a-kind. Whether gifting it or keeping it for yourself, it adds instant glamor and conversation-starting vibes.
Investing in tanzanite is like joining a secret club of style insiders—you know what’s rare, exquisite and undeniably cool. If you’ve been searching for a gemstone that blends luxury, charm and personality, tanzanite from GemsNY checks all the boxes. Take advantage of the brand’s Make Your Own jewelry feature and bring your imagination to life. Still unsure? Check out glowing GemsNY reviews to know about other customer’s shopping experiences.
