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Diamonds as an Investment

Diamonds as an Investment
The latest news, analysis and opinion on Diamonds as an Investment. In-depth analysis, industry insights and expert opinion.
Cartier’s Tutti Frutti necklace sold at Sotheby’s. Hong Kong’s auction houses posted record results in the second half of 2025. Photo: Handout
Jewellery

Spirited bidding, rare gems: inside Hong Kong’s jewellery auction revival

Fierce bidding drove record jewellery auction results last year, with Cartier and Van Cleef & Arpels on the block – and spring 2026 is following suit.

Louis Vuitton

Louis Vuitton unveils Mythica high jewellery collection in Marrakech

Auctions

Hong Kong’s autumn high jewellery auctions: rare gems and record-breaking sales

China exports

Losing its sparkle? How Chinese artificial gems are upending the diamond market

China has pioneered the production of flawless artificial diamonds. Some worry they are eroding demand for the real thing.

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Illustration: Henry Wong
Masterpieces

In the world of coloured gemstones, pink is the new must-have

Rare pink gemstones are fast becoming the darlings of luxury jewellery as the colour is linked to spirituality and creativity, something that resonates with consumers seeking deeper meaning.

China deflation

Diamonds are plunging in value around the world. Is China to blame?

China’s demand for natural diamonds has ‘fallen off a cliff’ amid plunging marriage rates, while its factories are churning out synthetic alternatives that are up to 90 per cent cheaper.

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Style Edit

Style Edit: Graff’s I Wish campaign – dazzling jewellery for the holidays

Each piece in the collection embodies the brand’s commitment to exceptional craftsmanship – blending heritage with innovation to create timeless heirlooms for successive generations.

London-based jeweller Graff has unveiled an exquisite collection of jewellery for its I Wish campaign. Photo: Handout
Special Report - Jewellery

Bidders set the bar high at Hong Kong’s buoyant autumn auctions

Results highlight the enduring appeal of exceptional pieces by iconic high jewellery maisons such as Cartier, Bulgari and Van Cleef & Arpels.

Style Edit

Style Edit: Van Cleef & Arpels unveils 4 stunning Rose de Noël pieces

The intricate designs, including grey mother-of-pearl and vibrant turquoise gemstones set in gold, are inspired by winter flowers and dedicated to the beauty of nature.

Fame and celebrity

Meet Sarah Jane Ramos, fiancée and baby mama to NFL star Dak Prescott

Ramos, who hails from Florida, is a wine and spirits specialist, a Tampa Bay Lightning superfan, and a golfer – it was on the green that Prescott popped the question.

Meet Sarah Jane Ramos, baby mama and fiancée to NFL star Dak Prescott: she seems to prefer watching ice hockey … and why that US$1 million engagement ring got Dallas Cowboys fans all riled up at first. Photo: @sarahjane/Instagram
Style Edit

Style Edit: Linneys’ tribute to the quokka is a love letter to Western Australia

A lovable marsupial is the inspiration for the Australian jeweller’s latest limited edition creation – just 3 pieces will be available

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Linneys describes The Argyle Pink Quokka as “a love letter to Western Australia”. Photos: Handout
Masterpieces

Why jewellery remains a shining investment during troubled times

Jewellery was the second-highest performer on the latest Knight Frank Luxury Investment Index, with period pieces, coloured gemstones and single-owner collections the strongest subsectors.

High Jewellery

Pink diamonds: what are they and why are they worth so much?

Most of these elusive stones come from a single mine in Australia … which just closed – no wonder celebs from Blake Lively to Lady Eliza Spencer are fans

High Jewellery

Could this be a good time to invest in fancy pink, blue or yellow diamonds?

Fancy coloured diamonds in distinctive shapes are capturing increased interest, with yellow diamonds featuring prominently at Haute Couture Week, and Rio Tinto announcing a new Beyond Rare tender

A good time to invest in pink, blue or yellow diamonds? Fancy coloured stones will never go out of style, with distinctive shapes capturing increased interest. Photos: Handout
Special Report - Jewellery

Cuffing season: high jewellery artists make bold statements with diamond cuffs

Encrusted with white diamonds, fancy coloured diamonds and other precious gems – set in 18k gold – high jewellery cuffs, bracelets and bangles might be the ultimate maximalist style statement

Cuffing season: high jewellery artists – including at De Beers, Buccellati and Cindy Chao The Art Jewel – make bold statements with diamond-studded bracelets and cuffs. Pictured: Metamorphosis by De Beers collection, Summer Bracelet. Photos: Handout
Special Report - Jewellery

Wearable art? Brooches offer high jewellery designers the ultimate freedom

High jewellery brooches by artists such as Cindy Chao remain in the ascendancy, with fans including Michelle Yeoh – Hong Kong collectors can view pieces by Hemmerle at The Upper House from November 20

High Jewellery

The Bleu Royal could become one of the most expensive diamonds ever sold

The rare, historic blue gem could fetch millions at Christie’s Magnificent Jewels auction, which also features Marlon Brando’s Rolex and a pearl necklace worn by Audrey Hepburn

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Special Report - Jewellery

Why investors are crazy for coloured gems at Hong Kong’s jewellery auctions

Jadeite, pink and blue diamonds are trending at Hong Kong’s Sotheby’s and Phillips autumn auctions – so is now the time to invest, or has the bubble burst?

A 25.88-carat fancy vivid yellow diamond fetched HK$10.3 million (US$1.3 million) at the Poly Auction Hong Kong sale on October 5. Across the board at the top auction houses, fancy coloured diamonds as well as jadeite have been the standouts this autumn. Photos: Handouts
Style Edit

Style Edit: How Graff and yellow diamonds forged a gem of a partnership

By naming the Star of Bombay, Laurence Graff set the brand on a path paved with exceptional yellow diamonds, all recalled in a new exhibition at their flagship Paris store

Style Edit

Style Edit: Messika’s new disco-themed high jewellery collection Midnight Sun

Inspired by 70s icons like Diana Ross, Freddie Mercury and Liza Minnelli, the French maison’s electric new collection is a riotous celebration of daring, decadent nights and living life to the max

Style Edit

Haute Joaillerie Edit: De Beers Jewellers launches The Alchemist of Light collection in HK

De Beers Jewellers recently opened its flagship store on Canton Road and its The Alchemist of Light collection can now be perused in an intimate setting … here’s an introduction to its 7 unique sets

De Beers launches The Alchemist of Light high jewellery collection to pay tribute to celestial light, with seven unique sets featuring 45 one-of-a-kind pieces. Photo: De Beers
Masterpieces

Sustainable sparkles or sterile stones? How Gen-Z fell for lab-grown diamonds

Man-made gemstones excite the sustainability conscious, but old school high jewellery houses remain wedded to the story and individuality of ‘natural’ diamonds

This Hari Krishna Flower ring uses 50,907 natural diamonds, but Gen Z and others are driving interest in lab-grown stones that can be a more sustainable alternative. Photo: Hari Krishna
High Jewellery

Will The Eternal Pink diamond set a new auction sales record?

The extremely rare jewel is expected to fetch over US$35 million, which could beat The Williamson Pink Star’s most expensive price per carat record

Ultra Luxury

5 eye-catching yellow diamond pieces to shimmer like sunshine

From Chanel’s head-turning sun motif on the Soleil 19 Août necklace and Chaumet’s royal-worthy Joséphine Aigrette Impériale bracelet, here are 5 yellow diamond statement pieces that are worth investing in

Ultra Luxury

4 luxury investments that are more unique than most: from watches to wine

Some luxury items are more special than most, particularly limited-edition collaborations between brands: why not consider these 4 unique pieces for your next investment?

Look stylish on the slopes with IWC Schaffhausen and The Faction Collective’s luminescent skis and Pilot’s Watch. Photo: Handout
Jewellery 2022

Generational gems: the dos and don’ts of choosing heirloom jewellery

Buying a piece of jewellery you hope to pass on to future generations can be a significant investment, so its financial value and versatility are crucial – as is the nature of the piece

Could a 26.70-carat cushion-cut diamond ring make for the perfect heirloom? Photo: Ronald Abram
High Jewellery

All in the cut: the jewellery designers ditching the oval and pear stones of old

Over oval diamonds? Try trilliant, trapezoid and tapered baguette cuts – now in vogue as houses like Cartier and Chaumet seek fresh perspectives on traditional designs

Jewellery 2022

Explainer | Inside the high jewellery craft of stone cutting: fancy a different cut?

No one cut to fit all: fancy cuts can enhance the appeal of certain gemstones and high jewellery houses like Graff, Chopard and Messika are using them in their creations

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