Q&A: Jayen Shah, Founder of Mavuca Capital Advisors
National Jeweler chats with the career banker about the prospects for the lab-grown diamond industry and financing options.

Jayen Shah: Millennials and Gen Zers constitute probably the biggest growing demographically similar consumer segment.
On the other hand, lab-grown diamond technology has been around for more than 60 years. However, it is only recently that advancements in technology have made high quality, affordable lab-grown diamonds a reality.
- Time taken for technology stabilization, product adoption and quality framework;
- Volatility in product pricing;
- Limited or non-availability of “seconds” market;
- Fragmentation of market players;
- Higher financial risk-reward; and
- Perception of enhanced credit risk.
- Financing format: term loan
- Tenure: up to seven years
- Amount of loan: up to 70 percent of the project cost. However, many lenders require cost of land purchase to be funded from promoters’ equity.
- Loan repayment with principal repayment moratorium for 12-18 months and, thereafter, principal repayments customized to projected cash flow generation.
- Financial covenants linked to operating parameters, such as debt/EBIDTA and/or debt service coverage ratio (DSCR)
- Security: first charge of land, plant and machinery
- Ratings: lenders prefer to have investment grade rating from SEBI-registered rating agencies.
This story is one of three included in the special India Diamond Report newsletter. The stories are produced by an independent editor based in India.
The Latest

It is the last fully operational diamond mine in Canada following the recent closures of Ekati and Diavik.

These jewels stood out at Bonhams’ sale of the cat-loving tech entrepreneur’s collection of objects depicting the feline form.

The fine jewelry brand has expanded the collection that debuted at Couture with four new designs based on its most popular styles.

Experience gemstones with greater precision and comfort than ever before.

The AGTA president was elected for a two-year term on the board of directors.


The partnership, a pledge to protect Africa’s Okavango River Basin, has been extended for an additional five years.

The new facility, its first outside of Thailand, will boost its manufacturing capacity by 50 percent.

Submit your pieces for a chance to win in this year's competition.

The special-edition “Dream” pendant, our Piece of the Week, was created to mark Hearts On Fire’s 30-year milestone with 30 diamonds.

Dubai Jewelers in Springfield, Virginia, was once again the target of an armed robbery.

YouGov’s 2026 U.S. Most Recommended Brands report’s out, and a fast-fashion giant is sitting at No. 1 while Rolex is just shy of the top 5.

Proceeds from its jewelry raffle will benefit an organization working in India to combat silicosis, a lung disease affecting stone cutters.

The rings, crafted by Jason of Beverly Hills, celebrate the hockey team’s Stanley Cup win with design elements that honor its traditions.

This roundup of birthstone jewelry for October features vibrant tourmalines and opals with personality.

President Duma Boko spoke at back-to-back events in the city last week, touting Botswana’s stability and the diamond “bounceback.”

The catalog showcases 112 new, one-of-a-kind pieces amid highlights from the jeweler’s historic archive.

Its Montepuez Ruby Mining operation in Mozambique, which is not yielding enough high-quality rubies, has taken a $125 million hit.

Those surveyed were worried about the present and the future, with write-in responses mentioning high oil and gas prices.

The event will take place on the evening of Oct. 26 in New York City.

She is remembered for her joie de vivre, upbeat personality, genuine interest in other people, and love of the Alabama Crimson Tide.

Online bidding is open now for Julien’s sale of items owned by the “Walk On By” singer, whose final album comes out this fall.

The founder and executive chairman of Stuller Inc. is being honored for his impact on the jewelry industry at the 25th annual Gem Awards.

December is the most popular month to propose, and jewelers need to keep that in mind when planning their holiday marketing.

Cat ladies of the jewelry world, unite. Sandy Lerner’s collection of cat jewelry and other objects is going up for auction Wednesday.

“Vibrations” features several firsts for De Beers’ high jewelry, including the use of chalcedony and diamonds sourced from artisanal miners.

The “Bows” collection features three interpretations of the bow motif designed with Georgian and Victorian influences.

The American Gem Society recognized industry members, one Guild, and a law enforcement official for their contributions to jewelry.
























