# 4: Lu­mi­nos­ity

Hong Kong Tatler - - Features -

“A nice sun­tan cre­ates a lovely con­trast with a di­a­mond. Pro­fes­sional clean­ing also helps max­imise lu­mi­nos­ity. Avoid home clean­ing kits as the chem­i­cals may grad­u­ally cor­rode the pre­cious metal around the stone. At Ron­ald Abram we use an ul­tra­sonic tech­nique to re­move dirt par­ti­cles, then a very mild soap and brush, and we dry the di­a­mond us­ing a hair dryer to avoid droplet stains.”

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