Mastoloni

What Mastoloni does

Mastoloni is a privately held American cultured pearl jewelry company founded in 1920 and operating under the legal name Mastoloni Pearls. Its business centers on sourcing, grading, and retailing fine pearl jewelry across six pearl categories (Akoya, Freshwater, South Sea, Tahitian, Keshi, and Mabe) and six jewelry formats (bracelets, earrings, pendants, necklaces, rings, and pins). The company maintains several branded sub-collections, including Sorrento, Gifts From the Sea, Signature, Classic, and Limited Edition, plus a proprietary Graded Akoya Necklace Program with standardized sizing and lengths up to 100-inch ropes.

The technical foundation of the brand is the Mastoloni Grading standard, a sorting and grading process developed to match the quality benchmarks established by Kokichi Mikimoto and the Mikimoto Company. The framework evaluates luster and orient, nacre thickness and density, color hue, shape roundness, matching consistency, and surface spotting. The company supports this standard with a broad pearl education content library covering pearl types, care, styling, evaluation, and historical context.

Mastoloni distributes through a global authorized retailer network and direct-to-consumer e-commerce, with a public store locator connecting customers to retail partners. The customer base is split between affluent end-consumers buying for special occasions, bridal, fashion, and collectible purposes, and the authorized retailers that carry the brand. No pricing is publicly disclosed; pricing is set at the retail level based on pearl type, quality, metal, and gemstone specifications. No revenue, headcount, ownership structure, or management details are disclosed in the public source material.

Name

Mastoloni

Legal name

Mastoloni Pearls

Website

https://mastoloni.com

Company type

Private

Founded year

1920

Operating status

Operating

Headcount range

11–50 employees

Short description

Mastoloni is a privately held American cultured pearl jewelry company founded in 1920, sourcing and grading pearl jewelry across six pearl types and six jewelry categories, and selling through a global authorized retailer network and direct e-commerce to affluent consumers and bridal shoppers.

Ownership category

akta.pro rank

Product category

Fine Pearl Jewelry

NAICS

Jewelry Retailers (458310), Jewelry and Silverware Manufacturing (33991)

SIC

Retail-Jewelry Stores (5944), Jewelry, Precious Metal (3911)

akta.pro primary industry

Pearl Jewelry (CRAKAAAC)

akta.pro secondary industry

Precious Metal Jewelry (Gold/Platinum/Silver) (CRAKAAAD)

Keywords

• Cultured pearl jewelry
• Pearl necklaces
• Pearl bracelets
• Bridal pearl jewelry
• Fine pearl earrings

Headquarters

HQ city

New York

HQ country

United States

HQ region

North America

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Marketing or Sales, Personnel

Distribution channels1 record

Marketing channels3 records

Core offering

Mastoloni designs, sources, and distributes cultured pearl fine jewelry across pearl types including Akoya, Freshwater, South Sea, Tahitian, Keshi, and Mabe. The product portfolio spans bracelets, earrings, pendants, necklaces, rings, and pins, set in 14K/18K yellow gold, white gold, rose gold, and sterling silver, sold through authorized retailers worldwide and direct online channels.

Product overview

Mastoloni is a cultured pearl jewelry company offering a comprehensive portfolio of pearl jewelry products across multiple pearl types (Akoya, Freshwater, South Sea, Tahitian, Keshi, and Mabe) in various jewelry categories (bracelets, earrings, pendants, necklaces, rings, and pins). The company operates as a traditional e-commerce jewelry retailer with branded collections including Classic Pearls, Gifts From The Sea, Sorrento, Signature, and Limited Edition. Products span different metal types (14K/18K Yellow Gold, White Gold, Rose Gold, and Sterling Silver) and are distributed through authorized retailers and direct online sales. The company also offers a proprietary Graded Akoya Necklace Program with standardized sizing (5.5-6MM to 9-9.5MM) and length options (7-inch to 100-inch ropes).

Differentiator

Problem solved

Functional benefit

Brands

• Gifts From the Sea: A collection featuring pearl jewelry designs inspired by the sea.
• Sorrento
• Signature
• Classic
• Limited Edition

Products and services

• Akoya Pearl Jewelry Premium Japanese Akoya cultured pearl jewelry featuring intense brilliant luster, typically white or gold body color with pink, yellow, and green hues; sizes range from 3-10mm. Sold as bracelets, earrings, pendants, necklaces, rings, and pins for affluent consumers and bridal buyers.
• Freshwater Pearl Jewelry Cultured freshwater pearl jewelry sourced from China and Japan, available in diverse shapes, colors, and sizes for fashion-forward designs. Sold to consumers through authorized retailers and direct online channels.
• South Sea Pearl Jewelry Luxury South Sea cultured pearl jewelry known for larger sizes and satiny luster, including white and golden varieties. Targeted at affluent pearl jewelry buyers and bridal/occasion wear.
• Tahitian Pearl Jewelry Black Tahitian cultured pearl jewelry featuring naturally dark colors with peacock green, aubergine, and silver overtones. Targeted at luxury pearl buyers seeking distinctive dark pearls.
• Keshi Pearl Jewelry Unique non-nucleated cultured pearl products valued for their baroque shapes and intense luster, sold across multiple jewelry categories.
• Mabe Pearl Jewelry Half-sphere cultured pearl products typically used in earrings and rings, featuring domed fronts with flat backs. Targeted at consumers seeking statement pearl designs.
• Bracelets Pearl bracelets in styles including bangles, link and chain, strung bracelets, and bolo bracelets; available in Akoya, Freshwater, South Sea, and Tahitian pearl varieties.
• Earrings Pearl earrings in styles including studs, drops, halos, hoops, clusters, convertibles, and on-the-ear designs.
• Pendants Pearl pendant necklaces featuring cluster, halo, bezel, floating pearl, and sea life designs.
• Necklaces Pearl necklaces including link and chain, multi-row, Y-necklaces, and strung designs in various lengths.
• Rings Pearl rings available in cluster, halo, multi-pearl, solitaire, stackables, and Toi et Moi styles.
• Pins Pearl brooches and pins, primarily from the Sorrento collection, featuring freshwater pearls set in gold.
• Gifts From The Sea Collection Signature collection featuring freshwater pearls in designs including bows, charms, floating pearls, and tin cup styles.
• Sorrento Collection Collection featuring bold gold designs with Akoya, South Sea, and Tahitian pearls, including men's collection pieces.
• Signature Collection Premium collection featuring 14K Yellow Gold pieces with multi-type pearls, including infinity and Tahitian designs.
• Classic Pearls Collection Traditional pearl jewelry featuring Akoya pearls in bracelets, earrings, pendants, and necklaces.
• Limited Edition Collection Exclusive limited production pearl jewelry pieces.
• Graded Akoya Necklace Program Premium graded Akoya pearl necklaces following strict Mastoloni sorting and grading standards; available in sizes 5.5-6MM through 9-9.5MM and lengths from 7-inch bracelets to 100-inch ropes, double-strung and knotted with signature Mastoloni M clasp in 18KT gold.

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Recent moves4 records

Expansion highlights5 records

Market position

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/mastolonipearls
• Facebookfacebook.com/mastolonipearls

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Mastoloni