Prática de Shadowing: Why Diamond Prices Are Falling So Fast - Aprenda a falar inglês com vídeo
Criando lição...
1
The price of natural diamonds has plunged roughly 60 % in five years,
2
falling from an all -time high of about $10 ,000 for a one -carat diamond in March 2022.
3
The main culprit?
4
A boom in lab -grown alternatives.
5
Entering the market at a fraction of the cost, man -made diamonds have surged in popularity over the last few years.
6
While buyers save thousands of dollars, the shift is changing the fabric of the traditional diamond market and raising questions about the future of the centuries -old industry.
7
Lab -grown diamonds are created by placing small diamond seeds into a vacuum chamber with carbon -rich gases.
8
Under controlled heat and pressure, the seed grows layer by layer before being cut and polished.
9
They look just like natural diamonds and have the same chemical and physical properties, but because they can be produced in unlimited quantities,
10
lab -grown stones sell for far less than natural diamonds.
11
This price difference has driven an enormous shift in consumer habits.
12
In 2026, lab -grown stones, including diamonds, accounted for 61 % of all U .S engagement ring sales.
13
That's a 239 % increase since 2020.
14
A diamond, it's a carbon, precious stone, scarcity, it's a rare stone.
15
Now, this is a product that is produced in a factory.
16
There's unlimited supply.
17
Retailers have noticed.
18
Pandora, a Danish retail jeweler with stores in more than 100 countries, completely stopped using mine diamonds in 2021,
19
pivoting exclusively to 100 % lab -grown stones.
20
We see today, we understand that around 60 or 70 percent of engagement rings are synthetic diamonds, not natural diamonds.
21
Beyond the price tag, lab -grown diamonds have other benefits, too.
22
A one -carat lab -grown diamond has a carbon footprint 90 percent lower than a mined diamond of the same size.
23
Natural diamonds also carry a complicated history.
24
Conflict diamonds mined in war zones once represented about 4 percent of global production.
25
The Kimberley process came into force in 2003, an attempt to stop the trade, but there is a catch.
26
Lab -grown diamonds might not have the same resale value as a natural diamond does.
27
You shouldn't be buying a diamond thinking that there's a financial investment to it.
28
And all they write back every single time is that you get no value back on your lab -grown diamond, right?
29
All right, well, guess what?
30
You know, surprise, you don't get any value back on your natural either.
31
To understand how deep this crisis goes, you have to look at where diamonds come from.
32
As of 2025, more than 85 % of global diamond mining happens in just five countries.
33
Russia, Botswana, Angola, Canada, and the Democratic Republic of Congo.
34
Between geopolitical uncertainty, excess inventory of polished diamonds, and higher tariffs on diamond imports from India, the biggest players in the industry are being forced to pivot.
35
De Beers Group, a subsidiary of Anglo -American, announced it would pause production at its flagship Phoenicia mine in South Africa for over two years to cut costs
36
and streamline operations.
37
The diamond company also briefly opened and shut down its very own lab -grown diamond brand.
38
Lightbox was launched in 2018 with the plan to price its stones at $800 per carat.
39
The business closed seven years later after lab -grown diamond prices fell 90 % at the wholesale level.
40
And De Beers isn't alone.
41
Russia's state -owned Alrosa, which counts for about 30 % of global diamond production, reported a decline in production between 2023 and 2025.
42
So where does that leave the market?
43
Have natural diamond prices finally hit rock bottom?
44
According to Mano, Rappaport's diamond research shows signs of stabilization.
45
I believe and our organization believes that we are around rock bottom and things are starting to shift.
46
I think the pricing is extremely fair right now.
47
The big thing that consumers see is kids walking around with five carat diamonds right
48
and now they're able to do so you know
49
and able to afford it and then you know able to take the extra money
50
that they didn't spend on the five carrot natural and, you know, put it towards their wedding and buy a house.
📺 Mesmo canal
B27
How Walmart Is Hoping Its New Tech Will Help Shoppers And Employees
Business EnglishWorking Adults
B21
Mike Rowe: Why The Skills Gap And Job Shortage Persists
Business EnglishInterview EnglishWorking Adults
B25
How Meta Will Enforce New Age And Time Limits On Instagram And Facebook
Business EnglishTeensDaily Conversation
B217
How AI Is Killing The Value Of A College Degree
Business EnglishInterview EnglishUniversity Students
B24
Who Is Funding Pres. Trump’s Freedom 250 Celebrations?
Business EnglishDaily ConversationUniversity Students
B28
Will Japan's Recession Affect America? | CNBC
Business EnglishUniversity StudentsWorking Adults
B21
Why Corporate America Is Spending More On Security
Business EnglishWorking Adults
B22
Inside Bracket22, A Trading Firm Powered By Al Agents
Business EnglishWorking Adults
B24
Why The Airline Business Is Broken
Business EnglishUniversity StudentsWorking Adults
B21
Why Hyundai’s Investing $26B In The U.S.
Business EnglishWorking Adults
B22
Why Even High Earners Are Living Paycheck To Paycheck
Business EnglishWorking Adults
B24
How Walmart Is Beating Everyone In Groceries
Business EnglishWorking Adults
B25
Inside The Real Estate Rush Behind AI
Business EnglishDaily ConversationUniversity Students
B23
How Working For Google, Amazon, And Microsoft Lost 'Dream Job' Status
Business EnglishInterview EnglishUniversity Students
B26
How Chinese EVs Won Brazil — And Left U.S. Automakers Behind
Business EnglishUniversity StudentsWorking Adults
B22
Why Airline Ticket Prices Are Unlikely To Go Down
Travel EnglishWorking Adults
B21
Where Did Americans’ Savings Go?
Business EnglishUniversity StudentsWorking Adults
B22
How Chinese Luckin Is Taking On Starbucks In the U.S.
Business EnglishUniversity StudentsWorking Adults
B26
How Amazon Delivers On One-Day Shipping
Business EnglishUniversity StudentsWorking Adults
B21
Why Timeshares Aren’t Worth It
Business EnglishWorking Adults
✨ Vídeo recomendado
B22
43 frases
Lab-grown meat is on the rise — here's how it is made
Business EnglishDaily ConversationUniversity Students
B21
167 frases
15 Things You Didn't Know About TIFFANY & CO.
Business EnglishUniversity StudentsWorking Adults
B22
20 frases
Is the AI Boom Just Another Bubble?
Business EnglishDaily ConversationUniversity Students
B26
92 frases
Why Jasmine Oil Is So Expensive | So Expensive | Business Insider
Business EnglishDaily ConversationUniversity Students
B23
104 frases
The Illusion of Africa's Economic Boom
Business EnglishDaily ConversationUniversity Students
B13
13 frases
September 2, 2026
Business EnglishUniversity StudentsWorking Adults
B24
18 frases
Why are weddings so damn expensive?
Business EnglishDaily ConversationUniversity Students
B21
332 frases
Cheap and toxic - The dark side of mass-produced fashion jewelry from China | DW Documentary
Business EnglishUniversity StudentsWorking Adults
B258 frases
Inside a $1 Billion Marble Quarry — How Luxury Stone Is Really Made
Business EnglishUniversity StudentsWorking Adults
B21
221 frases
Why Gen Z GAVE UP Having Kids
Daily ConversationUniversity StudentsWorking Adults
B213
31 frases
Why Small Luxuries Thrive During Recessions (The Lipstick Effect)
Business EnglishDaily ConversationUniversity Students
B21
109 frases
‘Non-Ultra-Processed’ Food Label Aims to Help the American Diet
Business EnglishDaily ConversationUniversity Students
Vocabulário e dicas de fala para esta lição
Esta aula de conversação de nível B2 usa o vídeo “Why Diamond Prices Are Falling So Fast”. As palavras que mais se repetem: diamond, lab, grown, natural, stone. Este vídeo tem 50 frases e 667 palavras para praticar shadowing. A fala dura 4:15. O falante fala em ritmo natural, cerca de 157 palavras por minuto, próximo de uma conversa do dia a dia. Apenas 76% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.
Vocabulário principal deste vídeo
As 15 palavras mais avançadas do vídeo, com pronúncia e significado:
| Palavra | Pronúncia | Significado |
|---|---|---|
| carat substantivo | /ˈkæ.ɹət/ | quilate |
| pivot substantivo | /ˈpɪv.ɪt/ | pivô |
| unlimited adjetivo | /ʌnˈlɪm.ɪ.tɪd/ | ilimitado |
| culprit substantivo | /ˈkʌlpɹɪt/ | culpado |
| geopolitical adjetivo | geopolítico | |
| jeweler substantivo | /ˈd͡ʒuːələ(ɹ)/ | joalheiro |
| resale substantivo | /ˈriˌseɪl/ | revenda |
| scarcity substantivo | /ˈskɛɹsɪti/ | escassez |
| streamline verbo | /ˈstriːmlaɪn/ | simplificar, racionalizar |
| tariff substantivo | /ˈtæɹəf/ | tarifa, taxa alfandegária |
| footprint substantivo | /ˈfʊtpɹɪnt/ | pegada |
| carrot substantivo | /ˈkæɹət/ | cenoura |
| retailer substantivo | /ˈɹiteɪlɚ/ | varejista |
| flagship substantivo | /ˈflæɡʃɪp/ | navio-almirante, capitânia |
| surge substantivo | /sɝd͡ʒ/ | surto |
Phrasal verbs que você vai ouvir
| Palavra | Significado |
|---|---|
| shut down verbo | apagar, encerrar |
Gramática neste vídeo
As estruturas que o falante mais usa, com as palavras exatas do vídeo:
| Estrutura | No vídeo |
|---|---|
| Voz passiva be + particípio passado — o foco está no que acontece, não em quem faz | are created · being cut · can be produced |
| Present perfect have/has + particípio passado — uma ação passada que ainda importa agora | has plunged · have surged · has driven |
Pronúncia para ficar de olho
O falante usa 5 contrações e formas reduzidas, como didn't, don't, isn't. Diga-as na forma curta, do jeito que você ouve.
- Os sons de “sh” e “zh”: stabilization /ˌsteɪ.bəl.ɪzˈeɪ.ʃən/, flagship /ˈflæɡʃɪp/, fraction /ˈfɹæk.ʃən/
- Palavras longas — acerte a sílaba tônica: unlimited /ʌnˈlɪm.ɪ.tɪd/, stabilization /ˌsteɪ.bəl.ɪzˈeɪ.ʃən/, subsidiary /sʌbˈsɪ.di.əɹ.i/, uncertainty /ʌnˈsɜːtənti/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Comece na velocidade 0,75×, faça shadowing frase por frase e volte à velocidade normal quando ficar fácil.
- Grave a sua voz e compare com o original, prestando atenção a palavras como carat, pivot, unlimited.
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.