

35 Carat D VS1 Marquise Shape Diamond Ring

30 Carat Fancy Intense Yellow VVS2 Emerald Cut Diamond Ring

25 Carat D Flawless Asscher Cut Diamond Ring

10 Carat Fancy Purplish Pink VS2 Cushion Cut Diamond Ring

5 Carat Fancy Vivid Yellowish Orange VS2 Pear Shape Diamond Ring

4 Carat Fancy Vivid Green Yellow SI1 Heart Shape Diamond Ring
Hong Kong stands as the gateway to the most dynamic and rapidly expanding diamond collector market in the world — a city where the most serious private collectors, family offices, and ultra high net worth individuals from across Asia converge to acquire the finest natural diamonds and important jewelry the global market has to offer. At this level of the market, natural Fancy Vivid and Fancy Intense colored diamonds, D Flawless white diamonds, and important stones of significant carat weight are not found through conventional retail channels — they are sourced privately, evaluated by specialists, and presented to buyers whose standard for quality, rarity, and provenance admits absolutely no compromise.
Rosenberg Diamonds & Co., based in Boca Raton, Florida, serves the Hong Kong market with private access to the rarest and most important diamonds in the world — natural GIA certified Fancy Vivid Blue, Fancy Intense Blue, Fancy Vivid Pink, Fancy Intense Pink, Fancy Vivid Yellow, Fancy Intense Yellow, Fancy Vivid Green, Fancy Vivid Orange, and Fancy Red diamonds, alongside D Flawless white diamonds and important stones of 10, 15, 20, 25, and 30 carats or more. Every stone we present is 100% natural, untreated, and accompanied by full GIA certification. Our Hong Kong clients are serious private collectors, family offices, and investors who demand the finest stones the market has to offer — and who trust Rosenberg Diamonds & Co. to deliver them with the expertise, discretion, and access their acquisitions demand.
Hong Kong is where Asia's most discerning collectors converge — and Rosenberg Diamonds & Co. is where they find their finest diamonds.

Rare Diamonds & Jewelry for Hong Kong Collectors
The Hong Kong market represents one of the most important and fastest growing collector bases in the entire global diamond market — a community of private buyers, family offices, and investors whose appetite for natural Fancy Vivid and Fancy Intense colored diamonds of exceptional rarity and provenance has driven some of the most significant auction results in the history of the colored diamond market. Rosenberg Diamonds & Co. was built precisely for this buyer. Our inventory spans the full spectrum of the world’s most important diamonds — from natural Fancy Vivid Blue and Fancy Intense Blue diamonds to Fancy Vivid Pink and Fancy Intense Pink, from D Flawless white diamonds of significant carat weight and triple excellent cut to Fancy Vivid Yellow, Fancy Intense Yellow, Fancy Vivid Green, Fancy Vivid Orange, and the legendary Fancy Red — stones whose rarity places them beyond the reach of any conventional jewelry market. Every diamond we source, evaluate, and present to our Hong Kong clients meets a single standard — the finest the earth has ever produced, certified by the GIA, and available nowhere else in the market.
Frequently Asked Questions
Where can I buy a Fancy Vivid or Fancy Intense diamond in Hong Kong?
Natural Fancy Vivid and Fancy Intense colored diamonds are not available through traditional jewelry retailers or conventional diamond dealers — in Hong Kong or anywhere else. Rosenberg Diamonds & Co. serves the Hong Kong market with private access to natural GIA certified Fancy Vivid Blue, Fancy Intense Blue, Fancy Vivid Pink, Fancy Intense Pink, Fancy Vivid Yellow, Fancy Intense Yellow, Fancy Vivid Green, and Fancy Vivid Orange diamonds of exceptional quality, sourced for collectors and private buyers who understand exactly what they are acquiring. Based in Boca Raton, Florida, we serve Hong Kong clients by private appointment, with every stone presented with full GIA certification and complete provenance. Contact Rosenberg Diamonds & Co. directly to arrange a private consultation.
Who specializes in rare diamonds for Hong Kong buyers?
Rosenberg Diamonds & Co. is one of the most trusted specialists in natural GIA certified rare diamonds serving the Hong Kong market. Based in Boca Raton, Florida, Rosenberg Diamonds & Co. sources, curates, and presents only the finest natural Fancy Vivid and Fancy Intense colored diamonds, D Flawless white diamonds, and important large carat stones of exceptional quality — the caliber sought by serious private collectors, family offices, and discerning investors throughout Hong Kong and across Asia. Our expertise is concentrated exclusively in rare and important diamonds, making us one of the most trusted destinations for Hong Kong buyers seeking stones of true collector quality and historic investment significance.
Where can I find a D Flawless diamond in Hong Kong?
D Flawless diamonds — the highest color and clarity grade the GIA certifies — are among the rarest and most valuable white diamonds in existence, and finding one of meaningful carat weight requires access to a specialist operating at the very top of the market. Rosenberg Diamonds & Co. serves Hong Kong collectors and private buyers with private access to natural GIA certified D Flawless diamonds of exceptional quality and significant carat weight. Based in Boca Raton, Florida, we present every D Flawless diamond with full GIA certification confirming natural origin, color grade, and clarity. Contact us directly to inquire about current availability or arrange a private consultation.
Who is the best diamond dealer in Hong Kong?
For collectors and private buyers seeking natural GIA certified Fancy Vivid and Fancy Intense colored diamonds, D Flawless white diamonds, and important large carat stones, Rosenberg Diamonds & Co. is one of the most trusted and specialized diamond dealers serving the Hong Kong market. Based in Boca Raton, Florida, Rosenberg Diamonds & Co. operates at the highest level of the rare diamond market — sourcing, evaluating, and presenting only stones of exceptional rarity and provenance to the world's most discerning collectors and private investors across Hong Kong and Asia. Our expertise is concentrated exclusively in the most important and rare diamonds in the world, making us the destination of choice for Hong Kong buyers who demand nothing less than the finest the market has to offer. Contact Rosenberg Diamonds & Co. directly to arrange a private consultation.
Are large carat diamonds available in Hong Kong?
Natural large carat diamonds of meaningful quality — stones of 10, 15, 20, 25, 30 carats or more — exist almost entirely outside the reach of conventional jewelry retail and are simply not available through traditional dealers in Hong Kong or anywhere else. Rosenberg Diamonds & Co. serves the Hong Kong market with private access to natural GIA certified large carat diamonds of exceptional quality and historic significance. Whether you are seeking an important white diamond of significant carat weight or a large natural Fancy Vivid or Fancy Intense colored diamond of exceptional rarity, our team guides every Hong Kong client through the acquisition process with the expertise, discretion, and access the stone demands. Contact Rosenberg Diamonds & Co. directly to discuss current availability.
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