Royal Diamond USA logo
ROYAL DIAMONDUSA
AboutResultsHow we workBrandsGlobalContact
Royal standard. Diamond strong.

We invent products families love. And sell them worldwide.

Royal Diamond USA is an R&D-led e-commerce company in Houston, Texas. We research real problems, develop products that solve them with our factory partners, and sell them on the world's biggest marketplaces.

Amazon's Choice product Top Rated on TikTok Shop Companies in 5 countries

Royal Diamond USA in 60 seconds, told by our founder Riyaz Mithani.

$2M+US revenue, last 6 months
125K+Orders, last 6 months
10+Active marketplaces
5Countries with our own companies

Royal Diamond USA LLC results for the six months to September 2026.

Who we are

Not a reseller. A product company.

Most online sellers copy the same items from the same suppliers and fight on price. We took the harder road.

Royal Diamond USA LLC was founded in Texas in 2023 by Riyaz Mithani. In the early days we sold what everyone else sold, and we learned what does not work. So we changed the model. Today our own R&D team studies real problems people face, starting with how kids learn, designs products that solve them, and develops them with trusted factory partners.

The result is products nobody else has on the market, sold under our own brands, and protected from copycats.

  • Focused brand. GoldenEgg educational toys is our main focus today, with more categories on our roadmap.
  • Exclusive rights. Exclusive worldwide online distribution rights for the Math Teacher from 2026 to 2031.
  • Marketing and technology. Handled by our sister company RD AnalytiX: ads, content production, AI video systems and all our tech.
Riyaz Mithani on the production floor at Royal Diamond USA's factory partner
On the production floor
Factory partner welcome banner for Rio and GoldenEgg
Welcomed by our factory partner
Royal Diamond USA product development meeting with factory partner
Product development meeting
Our flagship product

The GoldenEgg Math Teacher

Kids roll it on paper and it prints math problems for them to solve. Two years ago it was an idea in our office. Today it is in homes and classrooms across America.

We developed it with our factory partner and hold the exclusive worldwide online distribution rights. It is a top seller on every channel we run, and it is proof that our model works.

GoldenEgg Math Teacher roller stamp printing multiplication problems on a notebook page
Math Teacher on TikTok Shop, 4.7 stars from 1.3K reviews, 42.6K sold
42.6K+ sold

Top Rated on TikTok Shop, 4.7 stars from 1,300+ reviews and 19,400+ sales on one listing.

Math Teacher on Amazon with Amazon's Choice badge and 2K+ bought in past month
Amazon's Choice

2,000+ bought in the past month on Amazon, rated 4.4 stars.

GoldenEgg TikTok shop: Top Rated, 1.6K+ shop repeat customers, 1,399 videos
1,600+ repeat customers

Families come back to the GoldenEgg shop. 1,399 creator videos and counting.

1.6K+

repeat customers

1,399

creator videos

Screenshots from our live storefronts, October 2026.

How we work

From a real problem to a best seller

The same four steps, every product.

Research illustration: magnifying glass over a growth chart01
ResearchWe study real problems people face, like kids who struggle with math practice, and check the demand before we build anything.
Design illustration: toy sketch on a drawing tablet02
DesignOur R&D team turns the idea into a product: sketches, 3D models and samples, tested again and again.
Build illustration: factory with product boxes on a conveyor03
BuildOur factory partners produce it to our standard. We visit them, check quality, and protect the design.
Sell illustration: online store on a phone with shopping cart and boxes04
SellOur content team and AI video systems market it 24/7 across Amazon, Walmart, TikTok Shop and more.
Where we sell

Live on the marketplaces your customers use

AmazonWalmartTikTok ShopShopifyeBayTemuFaire
OUR FOCUS TODAYGoldenEgg logo

GoldenEgg educational toys

"Making Learning Playful." Home of the Math Teacher, with new learning toys in prototype. Building GoldenEgg into a strong, trusted brand is our main goal right now.

ON OUR ROADMAP

The same model, in more categories

Once GoldenEgg is strong, we will bring the same research-first approach to new categories:

  • Massagers and wellness (BARCODE)
  • Beauty and personal care
  • Cleaning supplies
  • Dietary supplements
Our sister company

RD AnalytiX: the marketing and technology behind our brands

RD AnalytiX runs all the ads, marketing, content production and technology for Royal Diamond USA.

  • Ads on Amazon, TikTok, Meta and Google
  • Content production: videos, photos and listings, every day
  • AI video systems that make and test new ads around the clock
  • Technology: our e-commerce systems, tools and sales analytics
RD AnalytiX logo

Sister company of Royal Diamond USA LLC

Work with us

Let's grow together

RETAIL & WHOLESALE

Stock our products

Retailers, schools and approved resellers can buy GoldenEgg products wholesale, with marketing assets and support from our team.

INVESTORS & STRATEGIC PARTNERS

Grow with Royal Diamond

We are expanding our R&D pipeline and global reach. Talk to us about partnering with Royal Diamond USA.

Leadership

The people behind Royal Diamond

Riyaz Mithani, Founder and CEO of Royal Diamond USA
Riyaz MithaniFounder & CEO

Founded Royal Diamond USA in 2023 and built GoldenEgg into a top-rated educational toy brand across the biggest US marketplaces.

LinkedIn โ†’

Ravinder Pelia, Strategic Sales Partner
Ravinder PeliaStrategic Sales Partner, KAK Group

Works with our partners and resellers to help them get started and grow.

USA ยท HQ

Houston, Texas

Royal Diamond USA LLC
Royal Barcode USA LLC
GoldenCart USA LLC

CANADA

Royal Diamond Ventures Inc

Canadian operations

INDIA

Goldenegg India Private Limited

Indian operations

NEPAL

GOLDENEGG NEPAL PVT LTD

Nepal operations

AUSTRALIA

Royal Diamond Australia PTY LTD

Australian operations

FAQ

Common questions

What does Royal Diamond USA do?

Royal Diamond USA LLC is an R&D-led e-commerce company in Houston, Texas. We research real problems people face, starting with how kids learn, develop products that solve them with our factory partners, and sell them on Amazon, Walmart, TikTok Shop, Shopify and other marketplaces.

What is GoldenEgg?

GoldenEgg is our educational toy brand. Its best-known product is the Math Teacher roller stamp, which prints math problems on paper for kids to solve.

What categories are next?

Educational toys under GoldenEgg are our main focus today. Our roadmap includes massagers and wellness (BARCODE), beauty and personal care, cleaning supplies, and dietary supplements.

Who is RD AnalytiX?

RD AnalytiX is the sister company of Royal Diamond USA. It handles all our ads, marketing, content production and technology.

Can I buy Math Teacher wholesale?

Yes. We work with retailers, schools and approved resellers. Send us an enquiry below and our team will reply within one business day.

Can I visit you?

Yes. Contact us to plan a visit to our team in Houston, Texas.

Contact

Let's talk.

Retailers, investors, partners and media: tell us what you are looking for. Our team replies within one business day.

We reply within one business day. Your details stay private.

Thank you. Our team will reply within one business day.
WhatsAppGet in touch