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Optical Prism Earrings – Handmade K9 Crystal, Science Jewelry

Only 5 left and in 2 carts

Price:$23.00+

Ships from Indiana

Arrives soon! Get it by Nov 12-18 if you order today
Nov 12-18

Returns & exchanges accepted

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Highlights

  • Made by STEMGemsCo
  • Ships from Indiana! Shorter shipping distances are kinder to the planet
  • Materials: Earring Hooks, metal jump rings, K9 optical glass, RGB thin film coating

✨ The Science
These earrings feature real optical glass prism cubes, the same class of K9 crystal used in optics demonstrations, beam-splitter assemblies, and light-refraction experiments.

The angles and surfaces interact with light to create shifting internal reflections and spectral color play. The effect comes entirely from the optical properties of the glass and coating — no filters, dyes, or artificial color enhancements.

Because these are solid optical glass cubes, they have a bit more presence than hollow or acrylic earrings, so choose a size that is comfortable for you.

🔬 How These Prisms Behave
Unlike novelty “rainbow glass,” optical prisms respond differently depending on light angle, movement, and environment. The color shifts you see are a result of real optical interactions, meaning no two moments — or pairs — look exactly the same.

If you love physics, optics, or simply watching light misbehave in beautiful ways, these are made for you.

💡 The Experience
Think scientific minimalism meets light art. These earrings catch sunlight, lab lights, or window light and transform it into clean geometric reflections that shift as you move.

They’re modern, nerdy, and quietly bold — the kind of jewelry that starts conversations with other science people.

🎁 Ideal For
Physics, optics, and laser-lab lovers
Science teachers, researchers, and STEM professionals
Engineers and geometry fans
Artists, photographers, and light-obsessed humans
Anyone who wants jewelry that actually does something

📐 Specifications
Material: Optical-grade K9 crystal glass
Hooks: 925 sterling silver

Cube size and weight options:
20mm, 19.25g (about 3.5 US Quarters)
15mm, 8.25g (about 1.5 US Quarters)
12mm, 5.33g (about 1 US Quarter)
10mm, 2.8g (about 1/2 US Quarter)

Each order ships in a small gift box inside a padded envelope, along with a random STEM-themed sticker to keep the nerd vibes going.

  • Order today to get by Nov 12-18
  • Returns & exchanges accepted within 30 days
  • Cost to ship: $5.63
    Enjoy free shipping to the US when you spend $35+ at this shop.
  • Ships from: Fishers, IN

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Reviews for this item

5.0

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(1 reviews)

5.0 Item quality
5.0 Shipping
5.0 Customer service
100% Buyers recommend
5 out of 5 stars 5 This item

Mich May 1, 2026

Beautiful earrings! Perfect customer service. These are gorgeous and I can’t wait to wear them out! If you are sensitive to weight try a smaller size!

Mich May 1, 2026

STEMGemsCo
Ellen
STEMGemsCo ·

Fishers, Indiana

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 4.9
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1.7k sales
·
3 years on Etsy
1 shop member
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Typically responds within a few hours

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Rave reviews Average review rating is 4.8 or higher.

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