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Wholesale Direct from New York

Beautiful Diamond Jewelry from the NY Diamond District

Originally designed and manufactured diamond engagement rings, wedding bands, and fine jewelry — offered wholesale, with an extensive catalog spanning eternity bands, semi-mountings, pendants, bracelets, and earrings.

Close-up of a round cut diamond engagement ring in a wide channel-set band, bright silver-toned metal against a soft white background
✓ Free domestic FedEx 2-day shipping ✓ 30-day return policy ✓ Layaway plan available ✓ Secure checkout via Authorize.net & PayPal

M&A Jewelry Corp. — We Bring Beauty to Life

Based at 2 W. 46th St. Ste 1400 in the New York Diamond District, we design and manufacture diamond jewelry and sell it direct at wholesale pricing. Our collection covers the full bridal journey: engagement rings and semi-mountings, eternity and traditional wedding bands, anniversary bands, and matching his-and-hers sets.

Fine jewelry rounds out the catalog with pendants, necklaces, bracelets, color stone jewelry, and diamond earrings in round, princess, hoop, huggie, fashion, and drop styles. We are not open on weekends, and advance notice is required for visits since some stock is made to order.

Contact Our Team
A matched pair of channel-set round diamond wedding bands in 14 karat gold, warm and polished against a bright neutral backdrop
Wholesale pricing Direct from the Diamond District

Shop Our Categories

Four main collections, one catalog, wholesale pricing on each piece.

Engagement

Diamond engagement rings and everything that goes with them.

  • Diamond Engagement Rings
  • Engagement & Wedding Ring Sets
  • Engagement Semi Mountings
  • Three Stone and Fashion Rings
Browse Engagement →

Wedding Bands

Extravagant eternity styles alongside traditional bands.

  • Eternity Wedding Bands
  • Ladies Wedding Bands
  • Men's Wedding and Fashion Rings
  • His and Hers Sets & Anniversary Bands
Browse Wedding Bands →

Fine Jewelry

Everyday pieces and gifts in diamonds and color stones.

  • Pendants
  • Bracelets
  • Necklaces
  • Color Stone Jewelry
Browse Fine Jewelry →

Earrings

Diamond studs, hoops, and statement drops.

  • Round Cut Diamond Studs
  • Princess Cut Diamond Studs
  • Hoop and Huggie Earrings
  • Drop and Fashion Earrings
Browse Earrings →
★ Customer Feedback

What Our Customers Say

We welcome feedback from customers about our website and our products. Read what buyers have shared, or add your own review.

The wedding band collection is the highlight — the eternity styles are exactly what I was looking for, and the price was far below what I saw in the retail stores downtown.

Ordering an engagement ring semi-mounting was simple, and shipping arrived quickly with FedEx. Having the pieces made to order in the Diamond District made the difference.

— Verified customer, engagement buyer

I browsed by price and found earrings well under my budget. The 30-day return policy gave me the confidence to order, and the layaway plan was a helpful option.

— Verified customer, fine jewelry buyer

Read & Share Testimonials

Wholesale Jewelry, Made to Order in New York

Because our stock is produced in the New York Diamond District and some items are made to order, a visit works best with advance notice. Tell us what you are looking for and we will prepare it for you.

  • Originally designed and manufactured by M&A Jewelry Corp.
  • Extensive catalog of diamond engagement rings, semi-mountings, and wedding bands
  • Specializing in extravagant wedding bands, including popular eternity styles
  • Color stone jewelry, pendants, necklaces, bracelets, and a full earring line
  • Jewelry appraisals available through our customer service team

Shop by price tier

Browse $299 and below, $300 to $999, $1,000 to $2,999, or $3,000 and above to find a range that fits your budget.

A tennis bracelet of closely set round diamonds in bright metal, laid flat on a clean light surface

Why Buy From Us

  • Wholesale direct pricing
  • 30-day return policy
  • Layaway plan available
  • Free FedEx 2-day shipping
  • Authorize.net checkout
  • PayPal accepted
  • Appraisals available
  • Diamond District source

Beautiful diamond engagement rings and fine jewelry have long been associated with the New York Diamond District, a dense cluster of showrooms where dealers display thousands of loose stones and mounted pieces side by side. Shopping in this environment gives buyers access to an unusually broad selection, allowing comparison of cuts, settings, and craftsmanship across many merchants in a single trip or a single afternoon of walking the block.

Round cut diamonds remain among the most popular shapes for engagement rings, valued for their symmetrical brilliance and their ability to return light from every angle. A round cut stone set in a wide channel band offers a clean, architectural look, with the metalwork framing the diamond closely so that the row of stones reads as one continuous line of light rather than as separate accents.

The channel setting is one of the classic mounting styles in fine jewelry, and it appeals to shoppers who prefer a low profile and a durable, practical construction. Because the metal surrounds the girdle of each diamond, the stones are protected from chipping, which makes channel-set work a comfortable choice for everyday wear and for someone who does not want a high setting catching on clothing.

Beyond engagement rings, a New York diamond merchant typically carries an extensive collection of fine jewelry including wedding bands, eternity rings, tennis bracelets, pendants, necklaces, stud and hoop earrings, huggie styles, and drop earrings. Many of these pieces are originally designed and manufactured in house, which lets the jeweler control quality, consistency, and the ability to mount loose stones into custom combinations.

Because the District is a wholesale hub as well as a retail destination, prices on loose diamonds and mounted jewelry are often described as significantly saved against traditional retail. A skilled buyer walks the block, asks pointed questions about cut, color, clarity, and certification, and learns to read the differences between a stone that has been well mounted and one that has simply been listed.

Mountings, semi-mounts, and complete rings form three related categories in the trade. A semi-mount is a setting ready for a center stone, a mounting is a finished piece without a center, and a complete ring combines both with a chosen diamond. Asking about the distinction, and about whether the stone can be exchanged later, is central to making a confident purchase.

Engagement ring shopping is also the entry point to broader services such as jewelry appraisals, custom design work, and flexible layaway plans. These services matter over a lifetime: an appraisal documents the value of an inherited piece, and a layaway arrangement allows a buyer to spread the cost of a significant purchase over time instead of financing it elsewhere.

Return policies, gift options, and anniversary and wedding band collections round out the practical side of buying from a District jeweler. Couples often begin with an engagement ring and return for matching bands, or for a redesigned piece years later. Clear policies and attentive service build the kind of trust that turns a one-time transaction into an ongoing relationship.

Fine jewelry is ultimately about preserving beauty and meaning. The diamond is chosen to mark a proposal, a wedding, an anniversary, or a milestone gift, and the setting is chosen to suit the wearer's daily life. Consider the cut, the metal, the profile, and the comfort fit, then let the piece reflect the person who will wear it every day.

For anyone who has never visited the New York Diamond District, the experience is often described as overwhelming at first and invaluable afterward. Bring questions, take time with several merchants, and compare both the stones and the service. The result is usually a purchase that feels well considered rather than rushed, and a piece of fine jewelry that will be worn and loved for many years.

Visit the Diamond District Showroom

See the collection in person at 2 W. 46th St. Ste 1400, New York, NY 10036. We are not open on weekends, and advance notice is required as some of our stock is made to order.

Schedule Your Visit

Selected Pieces

A look at the style range we manufacture, shown with our price against the retail price listed for the same item.

Round cut diamond engagement ring in a wide channel-set band, silver-toned and photographed on white

Round Cut Channel-Set Engagement Ring

3.27 ct. TW round cut diamond engagement ring in wide 14 kt. channel setting.

Retail $22,999.00 $4,599.00

His and hers channel-set round diamond wedding bands in 14 karat gold, side by side

His & Hers Channel-Set Wedding Bands

1.65 ct. TW matching comfort fit rounds in 14 kt.

Retail $12,499.00 $2,499.00

Princess cut diamond engagement ring with an accent mount, bright metal against a soft white background

Princess Cut Engagement Ring

2.00 ct. TW princess cut diamond engagement ring in 14 kt. with accented mount.

Retail $18,499.00 $3,699.00

News & Feedback

Catalog

New Eternity Band Designs

Our collection continues to grow with extravagant eternity wedding bands in 14 kt. gold, including matching his-and-hers sets.

View wedding bands

Service

Jewelry Appraisals

Appraisals are handled by our customer service team alongside returns, layaway, and shipping questions.

Read the policy

Feedback

Give Us Your Feedback

We would love to hear from you with any feedback about our website or products.

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