Satisfaction
100% Guaranteed
The World's Finest
Colored Diamonds
& Gemstones
One of the best online selections of superior quality colored diamonds, diamond jewelry, loose diamonds, precious gems, semi-precious gemstones, and wholesale jewelry — at the most competitive values in the industry.
Available in more than 15 luminous shades — a stunning diamond ring, necklace, bracelet, or pair of earrings from Alpha Gemstone is certain to leave any special person in your life speechless.
Colored Diamonds
15+ luminous shades
White & Blue
Icy brilliance
Tanzanite
Rare violet depths
Emerald
Colombian origins
Ruby
Pigeon blood red
Sapphire
Kashmir blue
"Tanzanite, Emerald, Ruby, Sapphire — in every cut, shape & size imaginable."
Gold & Sterling Silver
Wholesale Jewelry
Lowest Prices · Every Day
Welcome to Alpha Gemstone NY Inc. Since 1988, our mission has been to offer beautiful diamonds, gemstones, and fine jewelry with exceptional value, honesty, and personal service. What began as a family passion has grown into a trusted international business serving jewelers, designers, collectors, wholesalers, and jewelry lovers around the world.
At Alpha Gemstone, we believe luxury should be exciting, affordable, and accessible. Our new website combines modern technology, faster browsing, advanced search tools, and secure ordering while maintaining the personal attention and trust our customers have valued for decades.
Every product we offer is selected with care, and every customer is important to us. Whether you are shopping for a rare gemstone, fine jewelry, or wholesale opportunities, we are committed to providing quality merchandise at highly competitive prices.
Thank you for visiting Alpha Gemstone. We truly appreciate your trust and look forward to serving you for many years to come.
Mr. Balu Khatod
Founder & CEO, Alpha Gemstone
25+
Years of Excellence
Frequently Asked
Questions
Everything you need to know about our gemstones, shipping, payments, and more.
Why are your prices so low — is something wrong?
Can you resize and mount a stone I purchase?
Are your gemstones real or synthetic/simulated?
Can I visit your showroom in New York City?
Are there discounts for bulk purchases?
What lengths do silk cord necklaces come in?
Is Spinel synthetic?
How do I find my ring size?
When will my order be shipped?
Will I receive a tracking number?
Is it safe to enter my credit card online?
What is your return and refund policy?
Are there customs duties for international orders?
Do you ship to South Africa and what does it cost?
Do you buy loose gemstones from sellers?
What currency are your products priced in?
Are diamonds the rarest of all gemstones?
Where do your emeralds and rubies come from?
What makes a gemstone valuable?
Why isn't a 1-carat diamond double the price of a 0.5-carat?
What is the best color for Tanzanite?
Which carriers do you use for shipping?
What payment methods do you accept?
Can I send my card info by fax?
What is the Wishlist feature?
Why are colored diamonds so special?
Still have questions?
Call us at 914-310-1480 or fax 212-768-0599