Gem Testing

1 January

Lady Gaga stood out at the Golden Globes with a custom-made Tiffany piece featuring a pear-shaped, 20-carat diamond. What was the necklace called?

A) The Aurora Borealis

B) The Northern Light

C) The Tiffany Aurora

D) The Tiffany Borealis

2 February

Two stones from De Beers’ lab-grown brand, Lightbox, turned up at the Gemological Institute of America (GIA) for grading. What color and clarity did they have?

A) G, VS

B) H, SI

C) I, VS

D) J, SI

3 March

Fugitive Indian diamantaire Nirav Modi was arrested in which city?

A) Hong Kong

B) London

C) New York

D) Paris

4 April

Graff created this D-color diamond from the 1,109-carat Lesedi La Rona. How much did the final polished weigh?

A) 302.37 carats

B) 303.37 carats

C) 304.37 carats

D) 305.37 carats

5 May

Which Signet Jewelers brand became the retailer’s first to offer lab-grown diamonds?

A) James Allen

B) Jared

C) Kay Jewelers

D) Zales

6 June

Martin Rapaport’s JCK Las Vegas speech called for an advertising campaign to promote natural-diamond engagement rings. How much did he believe the industry should spend?

A) $200 million

B) $500 million

C) $1 billion

D) $2 billion

7 July

Which of these lines did not appear in Forevermark’s new bridal commercial, “I Take You, Until Forever”?

A) I take you to be my best and my most ridiculous friend

B) I take you to be my emergency contact

C) I take you to be my listener

D) I take you to be my partner in splitting bills

8 August

Pandora recruited which teen celebrity as its brand ambassador?

A) Millie Bobby Brown

B) Billie Eilish

C) Willow Smith

D) Greta Thunberg

9 September

Synova claimed its new DaVinci automated cutting system was the first to do what?

A) Broadcast live coverage of the polishing process for the consumer to view online

B) Guarantee a GIA Excellent cut grade for all stones

C) Offer polished yield of 99%

D) Produce all the facets of a round brilliant in one process

10 October

Which mining company unearthed a rough diamond containing another diamond inside?

A) Alrosa

B) De Beers

C) Petra Diamonds

D) Rio Tinto

11 November

Thieves stole more than $1 billion worth of jewelry from a museum in Germany. But which valuable stone was luckily out on loan to New York’s Metropolitan Museum of Art at the time?

A) The Blue Moon of Josephine

B) The Dresden Green

C) The Graff Pink

D) The Hope Diamond

12 December

What reason did Dutch bank ABN Amro give for reducing its financing of rough purchases?

A) Banking scandals have made the sector less safe

B) Cutting and polishing is not profitable enough

C) Diamond clients have too often failed to repay their loans

D) The diamond trade has become more efficient and needs less credit

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Image: Graff