Paul Zimnisky
Paul Zimnisky Diamond Analytics Podcast
The Paul Zimnisky Diamond Analytics Podcast provides a look into the global diamond industry with leading analyst Paul Zimnisky. Each episode features a full-length interview with a special guest to discuss the diamond industry and related topics while sharing interesting observations, thoughts and analysis. A wide range of guests from around the world have joined the show from all segments of the diamond supply chain and beyond, including: exploration geologists, jewelry designers, marketing experts, journalists, novelists, economists, consultants, technology experts and artists, from India,...
Author
Paul Zimnisky
Category
Podcast website
Latest episode
Jul 8, 2026
Where to listen?
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Episodes
LGDs Above the Counter and Datacenter Diamonds 08.07.2026 34:07
In this 85th episode of the Paul Zimnisky Diamond Analytics Podcast, Paul begins by talking about his recent trip to an Apple Store at a New Jersey mall to get a new MacBook. He shares his thoughts on the transformation of U.S. malls to more modern, higher-end shopping destinations that are attracting younger generations. Next, he reveals that he saw lab-grown diamonds being sold above the counter...
The Crash in Diamond Supply and AI Stocks 07.06.2026 13:08
In this 84th episode of the Paul Zimnisky Diamond Analytics Podcast, Paul discusses the current natural diamond supply situation while also sharing his views on technology stocks amidst the AI boom. The episode begins with Paul referencing a recent brief he wrote called " Diamond Supply is Precipitously Falling ," where he cautions an underappreciation for how much lower natural diamond output wil...
Guest: Sally Morrison Returns 19.04.2026 48:50
In this 83rd episode of the Paul Zimnisky Diamond Analytics Podcast, De Beers' iconic marketing executive Sally Morrison returns to the show. The episode begins with Paul ranting about the "word play" used by some in the industry to prop up LGD. The two then discuss whether reverting to referring to "natural diamonds" as just "diamonds" (without a qualifier) could be strategic from a marketing sta...
Guest: Danielle Keller 21.03.2026 31:34
In this 82nd episode of the Paul Zimnisky Diamond Analytics Podcast, jewelry designer and sustainability consultant Danielle Keller Aviram joins the show from Berlin, Germany. The episode begins with Paul airing frustrations with the direction that the ESG movement has seemingly meandered. Danielle then shares her firsthand opinion on the state of sustainability as it pertains to the jewelry indus...
Q&A 17.01.2026 28:33
In this 81st episode of the Paul Zimnisky Diamond Analytics Podcast, Paul takes questions from listeners. The episode begins with Paul discussing his thoughts on the hyperbolic move in gold. Next, he provides his view on what needs to happen for a recovery in the natural diamond market. Paul then briefly shares his views on Bitcoin/cryptocurrency and explains why he remains committed to covering t...
Guest: David Kellie (4th Appearance) 20.12.2025 49:08
In this 80th episode of the Paul Zimnisky Diamond Analytics Podcast, David Kellie, CEO of the Natural Diamond Council (NDC), joins for a final appearance on the eve of his retirement. The episode begins with Paul sharing a glimpse of diamond industry catalysts he is monitoring going into 2026. Next, Paul and David discuss the future of the marketing business amidst the advent of new technologies l...
Guest: Tobias Kormind 09.12.2025 46:23
In this 79th episode of the Paul Zimnisky Diamond Analytics Podcast, Paul is joined by Tobias Kormind of 77 Diamonds in London. The episode begins with Paul and Tobias discussing the "inventory light" business model of online diamond jewelers. Next, the two discuss the more mainstream emergence of jewelry customization and how consumers are responding to this new option. Tobais then explains why h...
Guest: Tony Carroll 01.12.2025 54:46
In this 78th episode of the Paul Zimnisky Diamond Analytics Podcast, Paul is joined by Tony Carroll, a distinguished international trade advisor, lawyer and economist based in Washington DC that has consulted for the diamond industry. The episode begins with Tony sharing his experience serving in the Peace Corps in Botswana in the 1970's. Next, Paul and Tony speculate on the future of De Beers giv...
Guest: Amish Shah (5th Appearance) 10.11.2025 54:31
In this 77th episode of the Paul Zimnisky Diamond Analytics Podcast, Paul welcomes back lab-grown diamond entrepreneur Amish Shah –president of ALTR Created Diamonds and J'EVAR. The episode begins with Paul suggesting that autonomous driving technology should be stress tested in Surat, India. Next, Paul and Amish discuss when the diamond and jewelry industry will incorporate AI and robotics techno...
Guest: Rob Bates (9th Appearance) 27.10.2025 1:09:18
In this 76th episode of the Paul Zimnisky Diamond Analytics Podcast , novelist and jewelry industry journalist Rob Bates returns. The conversation begins with Rob addressing some of the feedback that his new novel "Making A Killing In Diamonds" received. Next, Paul discusses his recent keynote presentation at the Dubai Multi Commodities Centre Lab-grown Diamond Symposium. The two then share their...
Guest: David McKay 11.10.2025 43:11
In this 75th episode of the Paul Zimnisky Diamond Analytics Podcast, independent mining journalist David McKay joins the show from Johannesburg, South Africa. The conversation begins with Paul recounting a multi-week journey he took through South Africa in 2023 and David sharing his views on the current economic and political state of the nation. Next, the two discuss the surge in gold prices and...
Guest: Aleah Arundale 04.10.2025 33:49
In this 74th episode of the Paul Zimnisky Diamond Analytics Podcast, natural diamond wholesaler Aleah Arundale from Chicago-based Olympian Diamonds joins the show. The episode begins with Paul and Aleah discussing the state of the U.S. diamond market going into the holiday season amidst tariff complications. Next, Aleah enthusiastically shares her views on how the trade is underutilizing the recyc...
Guest: Tom Moses 21.08.2025 55:53
In this 73rd episode of the Paul Zimnisky Diamond Analytics Podcast, Tom Moses, Executive Vice President of The Gemological Institute of America (GIA), joins the show to discuss an array of timely industry topics. The episode begins with Tom giving his perspective on the current downturn in the diamond market and how it stacks up against others that he has seen over his almost 50-year career. Paul...
Guest: Richa Singh 16.08.2025 54:26
In this 72 nd episode of the Paul Zimnisky Diamond Analytics Podcast, Richa Singh, the Natural Diamond Council's (NDC) Managing Director for India, joins the show for the first time. The episode begins with Paul recollecting his experience of being in India last year, especially as it pertains to the size of the gems and jewelry industry in Mumbai and Surat. Richa then discusses the cultural relat...
Guest: Sam Indelicato 28.06.2025 1:08:12
In this 71 st episode of the Paul Zimnisky Diamond Analytics Podcast, Sam Indelicato from U.S. wholesaler RDI Diamonds joins the show. The episode begins with Paul and Sam talking about how retailers are viewing the proposition of selling lab-grown diamonds as of mid-2025. Next, the two discuss why certain larger, fancy-shaped natural diamond categories are outperforming the rest of the market. Th...
Guest: Jon Phillips Returns, Again 02.04.2025 34:43
In this episode of the Paul Zimnisky Diamond Analytics Podcast, well respected Canadian diamond industry veteran Jon Phillips returns. The conversation begins with Paul and Jon analyzing the current state of the natural diamond market. They then discuss the "elephant in the room," i.e. lab-grown diamonds, and the impact that the product is having on natural diamonds. Finally, the two talk about De...
Guest: Rob Bates (8th Appearance) 23.01.2025 1:08:12
Author and industry expert Rob Bates joins Paul for the 8th time in episode #69 of the Paul Zimnisky Diamond Analytics Podcast. The episode begins with Paul airing his frustration over how some retailers are selling lab-grown diamonds. The two then discuss the current state of the larger diamond industry and the evolution of natural and LGD coexisting. Next, Rob shares what he sees as an analog be...
Guest: Amelia Bourdeau Returns 30.09.2024 52:53
In this 68th episode of the Paul Zimnisky Diamond Analytics Podcast, Amelia Bourdeau returns for a macro-themed episode. The conversation begins with Paul and Amelia discussing the upcoming U.S. presidential election and the impact that it can have on the economy, financial markets and diamond demand. Next the two discuss the Federal Reserve's latest move to cut interest rates and how it relates t...
Guest: Erez Rivlin Returns 07.09.2024 1:07:52
In this 67th episode of the Paul Zimnisky Diamond Analytics Podcast, long-time industry expert Erez Rivlin returns to the show. The conversation begins with Paul and Erez analyzing the severity of the current industry downturn. Next, the two share thoughts on the longer-term implications of lab-grown diamonds on the legacy diamond industry. Then, they talk about Western sanctions on Russian diamon...
Guest: Charles Stanley 22.07.2024 54:54
In this 66th episode of the Paul Zimnisky Diamond Analytics Podcast, now-retired, long-time De Beers executive Charles Stanley joins the show. The episode begins with Charles recounting his earlier days at De Beers in the 1990's, especially as it pertains to the marketing side of the business and the "A Diamond Is Forever" campaign. Next, Paul shares his view on De Beers' execution of the company'...
Guest: Maarten de Witte 15.07.2024 45:07
U.S.-based "master diamond cutter" Maarten de Witte joins Paul to discuss an array of industry topics. The episode begins with Maarten explaining what it's like being an independent diamond manufacturer in American given that the large majority of this work is now done in India and China. Next, the two discuss the process of creating a proprietary diamond cut and Maarten tells the story of Hearts...
Guest: Andrew Rickard 29.06.2024 42:18
In this 64th episode of the Paul Zimnisky Diamond Analytics Podcast, Andrew Rickard from RDI Diamonds, a large diamond and jewelry wholesaler in Upstate New York, joins the show. The episode begins with Paul and Andrew talking about Oak Hill Country Club of which Andrew is a member. Next, the two analyze the state of diamond inventory in the supply chain and how currently volatile diamond prices a...
Guest: Anthony Tsang Returns 04.06.2024 37:34
In this episode of the Paul Zimnisky Diamond Analytics Podcast, Anthony Tsang, CEO of The Future Rocks, returns. The conversation begins with Anthony giving an update on the company and the two discuss Chinese consumers' acceptance of lab-grown diamonds. Paul and Anthony then discuss the background of the company's proprietary "The Ring II," a lab-grown diamond solitaire ring with a created sapphi...
Guest: Amish Shah (4th Appearance) 16.05.2024 59:04
In this 62 nd episode of the Paul Zimnisky Diamond Analytics Podcast, good friend of the show Amish Shah returns. The conversation begins with Paul and Amish analyzing the current "tornado" of factors impacting the global diamond industry: supply hangover, Russian sanctions, LGDs and a possible sale of De Beers. Next, Amish explains the sentiment of diamond manufactures in India and whether they w...
Guest: Rob Bates (7th Appearance) 01.05.2024 1:06:37
Mystery novelist and JCK News Director Rob Bates returns to the show for a seventh time. The show begins with Paul analyzing whether the current diamond market softness is more cyclical or secular in nature. Next, Paul and Rob talk about how the retail segment of the trade is currently viewing lab-grown diamonds and whether a "pivot" back to natural diamonds is in the cards. The two then discuss w...
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