Lang Antique & Estate Jewelry

What Lang Antique & Estate Jewelry does

Lang Antique & Estate Jewelry (operating as Lang Antiques) is a privately held specialty retailer founded in 1969 in San Francisco. The company sells authentic antique, vintage, and estate jewelry spanning Georgian (1714-1837), Victorian, Art Nouveau, Edwardian, Art Deco, Retro, and Mid-Century periods, with a particular focus on vintage engagement rings. Inventory includes engagement rings, wedding bands, diamond and gemstone rings, bracelets, necklaces, earrings, brooches, vintage watches, men's jewelry, and authenticated signed pieces from houses such as Cartier, Tiffany & Co., and Van Cleef & Arpels; product price points range from approximately $1,600 to over $85,000. The company also sells a proprietary line called the Lang Collection, comprising vintage-inspired engagement rings and wedding bands crafted by Lang using vintage diamonds.

The business operates a hybrid physical-and-digital model. The flagship is a single boutique at 309 Sutter St. in San Francisco's Union Square district, open by appointment Tuesday through Saturday with personalized jewelry concierge service. A comprehensive e-commerce site (langantiques.com) extends reach globally, offering free FedEx Priority Overnight insured shipping domestically and a $110 flat rate internationally. Supporting the commerce platform is the Antique Jewelry University (AJU), an extensive content resource covering jewelry history, period identification, maker's marks, and gemstone care that functions as both an SEO authority asset and a customer education funnel. A VIP Private Shopping Page accessible Mondays and Thursdays provides early access to new arrivals, and a "Sell Your Jewelry" program supplies the estate inventory pipeline.

Lang monetizes via one-time retail transactions on high-value jewelry, charging a 3% discount for bank transfer payments, and operates as both buyer and seller in the secondary jewelry market. The company serves three primary customer segments: luxury jewelry consumers seeking authentic period pieces, eco-conscious buyers attracted to vintage as a sustainable alternative to newly mined gemstones, and serious collectors pursuing signed designer and rare period jewelry. There is no public revenue disclosure, no outside funding history, and no evidence of M&A activity; the company appears to be independently founder/family-managed, with Mark Zimmelman identified as founder and co-owner.

Name

Lang Antique & Estate Jewelry

Legal name

Lang Antiques

Website

https://langantiques.com

Company type

Private

Founded year

1969

Operating status

Operating

Headcount range

11–50 employees

Short description

Lang Antique & Estate Jewelry is a privately held San Francisco retailer, founded in 1969, that sells authenticated antique, vintage, and estate jewelry through a Union Square boutique and global e-commerce site, alongside its proprietary Lang Collection of vintage-inspired rings.

Ownership category

akta.pro rank

Product category

Vintage and Antique Jewelry Retail

NAICS

Jewelry Retailers (458310)

SIC

Retail-Jewelry Stores (5944)

akta.pro primary industry

Pre-owned/Vintage Jewelry & Watch Retail (Resale) (CRAKAGAI)

akta.pro secondary industries

Vintage Jewelry & Antique Dealers (CRAKAKAD), Bridal Jewelry Resale, Vintage & Estate (CRAKACAI), Estate Jewelry & Collection Liquidation Services (CRAKAKAJ)

Keywords

• Antique jewelry retail
• Vintage engagement rings
• Estate jewelry sales
• Vintage wedding bands
• Jewelry concierge services

Headquarters

HQ city

San Francisco

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Retail Jewelry Sales: One-time transaction sales of antique, vintage, and estate jewelry including engagement rings, necklaces, bracelets, earrings, brooches, and watches. Products range from approximately $1,600 to $85,000 based on sale listings. The company also sells their proprietary Lang Collection vintage-inspired pieces.
2. Estate Jewelry Acquisition: The company buys estate jewelry from customers, positioning itself as a trusted buyer that provides a pleasant experience while finding new homes for estate pieces. This creates a supply chain for their inventory.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels5 records

Core offering

Lang Antique & Estate Jewelry is a San Francisco-based specialty retailer that buys and sells authentic antique, vintage, and estate jewelry spanning design periods from Georgian through Mid-Century. The company operates a flagship boutique in Union Square and a global e-commerce storefront, also producing its proprietary Lang Collection of vintage-inspired engagement rings and wedding bands crafted with vintage diamonds.

Product overview

Lang Antique & Estate Jewelry operates as a single unified retail platform offering authentic antique, vintage, and estate jewelry. Their core offerings span multiple historical design periods including Georgian (1714-1837), Victorian (1837-1901), Art Nouveau (1895-1915), Edwardian (1901-1915), Art Deco (1920s-1930s), Retro (1940s), and Mid-Century (1950s-1960s). The company also produces their proprietary Lang Collection of vintage-inspired engagement rings crafted with vintage diamonds. Product categories include engagement rings, wedding bands, diamond rings, gemstone rings, bracelets, necklaces, earrings, pins and brooches, watches, and men's jewelry. They offer authenticated signed pieces from luxury houses like Cartier and Tiffany & Co., and maintain both an online e-commerce store and a physical boutique in San Francisco's Union Square district.

Differentiator

Problem solved

Functional benefit

Brands

• Lang Collection: Eco-friendly engagement rings crafted by Lang using vintage diamonds in classic vintage-inspired designs. Also includes wedding bands in various shapes and designs.

Products and services

• Antique Jewelry

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• Worthy: Online auction platform specializing in pre-owned fine jewelry, including engagement rings and signed pieces. Comparable in using authenticated online channels to move pre-owned jewelry, but newer and not specialized in antique/vintage periods.

Broad incumbents

• The RealReal: Authenticated luxury resale platform including fine and estate jewelry. Comparable in authentication-led resale of pre-owned luxury goods, though The RealReal operates a consignment model across broad categories rather than specializing in vintage jewelry.
• Sotheby's: Global auction house with a dedicated jewelry department covering antique, vintage, and signed pieces from premier maisons. Comparable as a venue for authenticated high-value estate jewelry transactions, though via auction rather than fixed-price retail.
• Christie's: International auction house with a major jewelry department offering antique, period, and signed designer jewelry. Comparable to Lang in product category and high-end clientele, but operates via auction rather than direct retail and spans many luxury categories.
• Bonhams: International auction house with a dedicated jewelry department handling antique, vintage, and signed pieces. Comparable category overlap with Lang, especially in signed maison pieces and period jewelry, but operates via auction model.
• 1stDibs: Online luxury marketplace with a significant vintage and antique jewelry vertical alongside furniture and fashion. Comparable as a destination for authenticated vintage jewelry buyers, though 1stDibs is far broader in category scope and operates a multi-seller model.

Direct peers

• Erstwhile: Specialist retailer of antique, vintage, and estate engagement rings and jewelry with both online and by-appointment showroom sales. Highly comparable to Lang in product category, customer segment, and authenticated estate-jewelry model.
• Trumpet & Horn: Vintage and antique engagement ring and wedding band retailer focused on Art Deco, Edwardian, and Victorian-era pieces. Closely aligned with Lang's product mix, era coverage, and engagement-ring-led merchandising.

Others

• Heritage Auctions: US-based auction house with a jewelry department covering antique and estate pieces. Comparable product category at the high end, but functions as a marketplace venue rather than a competing fixed-price retailer.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/langantiques
• Instagraminstagram.com/langantiques/?hl=en
• Pinterestpinterest.com/langantiques
• Xx.com/langantiques
• LinkedInlinkedin.com/company/lang-antique-and-estate-jewelry

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Lang Antique & Estate Jewelry