Argyle Pink Diamond History

By Mike Nekta
25 Years in the NYC Diamond District

“I’ve spent decades handling Argyle Pinks in real life, stones most jewelers have only seen in magazines.”

Why I’m One of the Few Jewelers Who Truly Understand Argyle Pinks

For 25 years, I’ve worked in the center of the NYC Diamond District, specializing in natural fancy color diamonds — especially pinks. I compare stones side-by-side, in natural daylight, and only recommend pieces I would personally acquire.

I’ve seen markets rise, stabilize, and shift. But one constant remains:

Natural pink diamonds don’t behave like other luxury assets — they appreciate because supply is disappearing.

I work with serious collectors, first-time investors, and clients building generational wealth.

My responsibility:

Protect your capital, your confidence, and your long-term growth.

And that’s exactly what this guide is designed to do.

Why Pink Diamonds Are Considered Investment-Grade

For 25 years, I’ve specialized in natural fancy color diamonds, and very few stones have the mystique, rarity, and emotional power of Argyle Pink Diamonds.

Most jewelers today have never handled a real Argyle Pink, especially after the mine closed in 2020. I was fortunate enough to source Argyle stones regularly before the shutdown — from soft Bubblegum Pinks to the deep, electric Purplish Reds that made the mine legendary.

I compare every stone in natural sunlight, not under flattering store lights. I look for the unmistakable Argyle “glow” — a color that isn’t just pink… it’s alive.

This page gives you the real, unfiltered history of Argyle Pink Diamonds — the same lessons I share with collectors around the world.

The Origins of the Argyle Mine

The Argyle Diamond Mine was discovered in 1979 in the East Kimberley region of Western Australia — one of the most remote diamond-producing areas on Earth.

Argyle was unique because:

  • It produced over 90% of the world’s pink diamonds.
  • Its stones had a signature color intensity not found anywhere else.
  • The mine produced an extreme rarity: Purplish Red diamonds, the most valuable color ever recorded.

Most diamond mines never produce even one pink diamond. Argyle produced thousands — but still not nearly enough to meet demand.

Mike Nekta’s Note: “Argyle wasn’t just a mine — it was a once-in-history geological accident.”

Why Argyle Pinks Look Different (The Science)

Argyle’s pink color comes from plastic deformation, not trace elements.

In simple terms:

The diamond crystal was twisted and compressed deep in the earth millions of years ago, creating internal structural distortions that refract light into pink.

But Argyle’s deformation was more extreme. That’s why the colors are so intense.

Color signatures that only Argyle produces:

  • Strawberry Pink
  • Bubblegum Pink
  • Rosé Pink
  • Deep Pink
  • Purplish Pink
  • Purplish Red (extremely rare)

Mike Nekta’s Note:  “Once you’ve seen a real Argyle Pink, you can recognize its color instantly — it’s unmistakable.”

The Argyle Lot System (How Colors Were Classified)

GIA grades color — but Argyle added its own proprietary grading system that collectors still rely on. Argyle graded stones using:

Pink Color Range (P1, P2, P3, P4)

P1 = Strong
P4 = Lightest

Purplish Pink (PP1–PP6)

PP1 = Most intense
PP6 = Softer rosy tones

Red & Purplish Red (R & PR)

The rarest color categories on Earth.

Argyle Tender Stones

Once per year the mine selected the top 50–60 stones and auctioned them privately.

These stones are the “holy grail” of pink diamonds.

Mike Nekta’s Note: “Owning an Argyle Tender stone is like owning a Monet — they’re not bought, they’re acquired.”

The Great Shutdown (2020) — The Day the World Changed

In November 2020, the Argyle Mine officially closed after decades of operation.

This triggered:

  • A massive global shortage
  • A 20–40% price increase in the first year
  • Collectors buying stones as long-term investments
  • Jewelers fighting over the remaining inventory

Today, Argyle Pinks are:

✔ Completely discontinued
✔ Appreciating yearly
✔ Nearly impossible to find in fine quality

Mike Nekta’s Note:  “We are living in the first generation where Argyle Pinks are no longer being mined — and everyone wants what they can no longer have.”

Why Argyle Pink Diamonds Are an Investment Asset

Collectors don’t buy Argyle Pinks just for beauty. They buy them because:

✔ The supply is permanently fixed

No new stones will ever enter the market.

✔ Global demand is skyrocketing

Especially from Asia and the Middle East.

✔ Documentation increases value

Argyle Certificates, even older ones, can boost value dramatically.

✔ The rarest colors appreciate fastest

Purplish Pink → Pink → Red/Purplish Red

✔ Tender stones act like fine art

Some have doubled or tripled in value in a decade.

Mike Nekta’s Note: “Every year I see less and less real Argyle inventory. But the demand? It only goes up.”

How to Identify a True Argyle Pink Diamond

Not all pink diamonds are Argyle.

Real Argyle stones often show:

  • A rich, warm, saturated pink hue
  • Slightly purplish undertones
  • A glowing, almost neon effect
  • Documentation from the mine
  • Laser inscription (for later stones)

But even without papers, I can identify an Argyle origin by color signature and structure.

Mike Nekta’s Note: “Argyle Pinks have a personality — they glow differently. You can fake papers, but you can’t fake that glow.”

The Rarest Argyle Colors (From Rare to Impossible)

1. Purplish Red (PR, R) — The Crown Jewels

The rarest diamond color in the world.

2. Deep Purplish Pink / Deep Pink (DP)

Museum-level stones.

3. PP1–PP2 Colors

Top-level saturation that collectors chase aggressively.

4. P1–P2 Colors

The most collectible “everyday masterpiece” pinks.

5. P3–P4 Colors

Still beautiful — still investment-worthy — but lighter.

What I Tell My Clients About Argyle Pink Diamonds

Directly from my showroom:

“Compare colors side-by-side. Never trust photos alone.”

“If it’s a real Argyle and priced right — buy it. There’s no backup supply.”

“Stones under 0.20 ct can still be extremely valuable if the color is strong.”

“The best Argyle Pinks glow even in a dark room — that’s how you know you’ve got something special.”

I only show stones I would put in my own collection.

Over 250+ reviews on Google from our clients

4.9 / 5.0

I had a great experience with Nekta New York when purchasing a diamond for my engagement ring. The price was great, and the quality of the diamond exceeded my expectations.

Dylan C.

I had an amazing experience working with Mike on my engagement ring. He walked me through every detail and helped me understand the diamond quality so I could make the right decision. The craftsmanship is beautiful and the sparkle is incredible.

Chrysta G.

Let me start by saying….. YES!!! It’s true about Nekta New York!!! If you are looking for QUALITY, PROFESSIONALISM and an overall magical plus satisfying experience… Mike Nekta is the master jeweler for you.

Skye S.

I couldn’t be happier with my stunning heart-shaped engagement ring crafted by Nekta New York! 💍 Mike truly brought my vision to life with an incredible H-color, close-to-2-carat diamond, beautifully set in a platinum halo.

Tempestt Y.

I flew to NYC specifically to visit Mike’s store. It was our 30th wedding anniversary and I wanted to purchase from someone I knew I could trust. His selection is the best there. He will work with you to make sure that you walk away very happy with your purchase. I will definitely be making many more trips to buy from him.

J S

Final Message From Me

Radiant and Cushion cuts both offer incredible beauty in Fancy Yellow Diamonds but they speak different languages.

Radiants shout. Cushions whisper. Both are extraordinary.

If you want an honest expert who has handled thousands of these stones  and someone who will protect you like family, I’m here for you every step of the way.

— Mike Nekta