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

Pink and purple stones were popular in the AGTA’s design competition this year, as were cameos and ocean themes.

All proceeds from the G. St x Jewel Boxing raffle will go to City Harvest, which works to end hunger in New York City.

Courtney Cornell is part of the third generation to lead the Rochester, New York-based jeweler.

From educational programs, advocacy, and recent MJSA affiliation, Jewelers of America drives progress that elevates businesses of all sizes.

De Beers also announced more changes in its upper ranks ahead of parent company Anglo American’s pending sale of the company.


Former Signet CEO Mark Light will remain president of Shinola until a replacement for Ulrich Wohn is found.

Kindred Lubeck of Artifex has three rings she designed with Anup Jogani in Sotheby’s upcoming Gem Drop sale.

The company focused on marketing in the third quarter and introduced two new charm collections, “Pandora Talisman” and “Pandora Minis.”

The jewelry retailer raised its full-year guidance, with CFO Jeff Kuo describing the company as “very well positioned” for the holidays.

Ahead of the hearing, two industry organizations co-signed an amicus brief urging the court to declare Trump’s tariffs unlawful.

Stuller COO Belit Myers will take on the additional role of president, with all changes effective at the start of 2026.

Smith cautions retailers against expending too much energy on things they can’t control, like the rising price of gold.

Citrine and topaz are birthstones fit for fall as the leaves change color and the holiday season approaches.

The family-owned jeweler will open its fourth store in Florida in late 2027.

The NYPD is looking for three men who stole a safe and jewelry valued at $3.2 million from the home of a jeweler in Jamaica Hills, Queens.

The trade organization also announced its executive committee and five new directors.

The “Have a Heart x Diamonds Do Good” collection is championed by model and humanitarian Flaviana Matata and will benefit her foundation.

The ring, set with a nearly 17-carat Kashmir cabochon sapphire, sold for $1 million.

This “Mother Father” spinner necklace from Heavenly Vices Fine Jewelry draws inspiration from Victorian Era jewelry.

The suspects were rounded up in Paris and its suburbs on Wednesday night, but none of the stolen jewels were recovered with them.

Experts share top tips on how to encourage positive reviews and handle negative feedback.

Sponsored by the Gemological Institute of America

The suspect faces charges in the August robbery of Menashe & Sons Jewelers and is accused of committing smash and grabs at two pawn shops.

Show off your spooky side with these 12 festive jewels.

The “Brilliant & Beyond” panel coincides with the “Love & Marriage” exhibition curated by Davis Jewelers in Louisville, Kentucky.

Consumers are feeling more optimistic about their present situation while the short-term future remains a little scary.

























