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Liquid Diamonds
Techstars '19New York City, US · Founded 2017 · 13 employees on LinkedIn · 4 known investors
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Liquid Diamonds operates a B2B sourcing platform for diamond and jewelry businesses, using a patented reverse auction system to connect wholesale buyers with suppliers worldwide. The platform provides price transparency and liquidity services for the diamond industry.
Also known as Liquid Diamonds Inc.
Founders & leadership
Investors · 4
How we know: the company's own site · the Techstars portfolio · open dataset · Top 3000 Accelerator Startups (no YC) 2026-08 · research · liquid.diamonds · Not right? Tell us
Also in the syndicate · 1
Company profile
researched Sep 2026Liquid Diamonds is a New York-based technology company operating a business-to-business sourcing platform for the diamond and jewelry trade. Its stated mission is to bring price transparency and liquidity to diamonds so buyers can purchase at fair market value and suppliers can liquidate inventory quickly. The platform's core mechanism is a patented Reverse Auction system (the site cites patent US7792723B2) in which hundreds of diamond suppliers worldwide compete to fill a buyer's specific demand.
Alongside the auction marketplace, the company offers a Data Driven Diamonds product that monitors the market continuously to surface deals, a Pricing Co-Pilot intended to help wholesalers price inventory relative to competitors, and a White Glove Service covering physical quality-control inspection against buyer-defined QC criteria, consolidated shipments, single-window payments and returns. The company serves two distinct segments, diamond wholesalers and jewelry retailers, and its website routes visitors along separate paths accordingly.
Liquid Diamonds states it applies KYC and AML verification to both suppliers and buyers on the platform, requires assurances of Kimberley Process compliance and conflict-free sourcing, and supplies certified members of the Responsible Jewellery Council.
Founding story
The company was founded in 2017 by a team that combined family ties to the diamond trade with engineering backgrounds. CEO Kashyap Mehta is an engineer whose family has roughly 50 years of experience in the diamond industry. The founding team consists of computer science graduates from the University of Virginia, the University of California and the Indian Institute of Technology, and previously ran a software business providing POS, ERP and e-commerce systems to 150 diamond and jewelry companies across 14 countries. Their prior work spanned game development, data and analytics and fault-tolerant computing, and produced 13 patents across five subject areas, including the reverse auction technology that powers the platform.
Business model
Liquid Diamonds operates a B2B marketplace connecting wholesale diamond buyers and jewelry retailers with a global supplier base, layering service offerings — quality control inspection, consolidated shipment, single-window payment and returns — on top of the transaction. It also markets data and pricing tools to diamond wholesalers.
Traction
The company reports more than $50 million in Gross Merchandise Value facilitated through the platform, and says clients have saved up to 5% on diamond purchases. Following its website redesign, it reported increases in time spent on the site and new retailer clients.
Latest developments
In September 2024 Liquid Diamonds announced a funding round of over $1.1 million led by New York Angels, intended to expand its offerings to jewelry retailers, including mounted programs. Donna Redel, an early investor and New York Angels member, joined the board of directors, and the company relaunched its website with separate paths for retailers and wholesalers.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
The company positions itself as introducing price transparency, data and competitive pricing to a diamond trade it describes as slower than sectors such as automotive, finance and pharmaceuticals in adopting modern technology and data practices.
Liquid Diamonds contrasts its model with the industry norm of buying from a small set of long-standing supplier relationships. It gives buyers access to hundreds of small manufacturers in regions such as India and Botswana that typically lack the infrastructure to offer quality control and reliable returns, while supplying those services itself, so buyers do not have to choose between price and service.
Technology
The platform is built around a patented Reverse Auction system (patent US7792723B2 cited on the company website) that puts hundreds of suppliers into open competition for a buyer's stated demand. Complementary products include Data Driven Diamonds, which scans the market continuously for deals and combines broader market trends with internal company data to reduce inventory cost and increase turn, and a Pricing Co-Pilot for inventory pricing. The company's founders hold 13 patents across five subject areas.
Go-to-market
The website solicits product demonstrations from prospective customers, who self-identify as either jewelry retailers or diamond wholesalers to receive a tailored experience. The company has worked directly with diamond wholesalers and jewelry manufacturers, and has more recently extended its sales focus to jewelry retailers. It also uses trade press and press releases in jewelry industry outlets.
Diamond wholesalers, jewelry manufacturers and jewelry retailers; on the supply side, diamond suppliers and small manufacturers, particularly in India and Botswana.
Geography
Headquarters at 529 Fifth Avenue, 18th Floor, New York, NY 10017, with an India office at 211 Western Edge II, Borivali East, Mumbai. Its supplier network spans hundreds of suppliers globally, including small manufacturers in India and Botswana.
History
Founded in 2017 and based in New York City, Liquid Diamonds raised a round in 2019 from jewelry industry insiders and Techstars, after which it went through the Techstars accelerator program. It subsequently launched a B2B sourcing platform for natural diamonds. In 2024 the company announced a further round of over $1.1 million led by New York Angels, added early investor Donna Redel to its board of directors, and expanded its offering from wholesale buyers to jewelry retailers, including mounted programs, with a redesigned website segmenting users by buyer type.
Compiled by commissioned research from 9 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Related companies · 1
Companies working in the same space as Liquid Diamonds.
Timeline · 4
launches, deals, and filingsThe company announced fresh funding of over $1.1 million led by New York Angels to expand its offerings to jewelry retailers, including mounted programs.
$1.1M source ↗
Donna Redel, a New York Angels member and early investor and mentor to Liquid Diamonds, joined the company's board of directors alongside the funding round.
Liquid Diamonds extended its diamond buying services and mounted programs to jewelry retailers and relaunched its website with tailored journeys for retailers and wholesalers.
Liquid Diamonds raised a round of funding from jewelry industry insiders and Techstars, a Colorado-based venture capital firm, and then went through the Techstars accelerator program.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
In the news
▸Research sources · 9
primary sources listed
- Liquid Diamondsliquid.diamonds · web
9 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Liquid Diamonds do?
- B2B diamond sourcing platform using a patented reverse auction to let global suppliers compete for buyers' orders.
- Who are Liquid Diamonds's investors?
- Liquid Diamonds's investors include Techstars, peercheque, New York Angels.
- Where is Liquid Diamonds headquartered?
- Liquid Diamonds is headquartered in New York City, US.