and each put on completely beautiful sapphire engagement rings. Charlotte Gatward, director of jeweller Gatwards, revealed an essential distinction between the jewels.
Kate and Eugenie's rings are bodily very completely different - however each royal jewels maintain the identical deeper significance.
The professional said: "A sapphire is alleged to guard family members from adverse power in addition to restore and calm the thoughts."
The title "sapphire" comes from the Greek phrase for "blue", and Kate Middleton's stone is an impressive, deep shade of blue.
The Princess' Ceylon sapphire engagement ring is steeped in sentimental worth.
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Charlotte informed that Kate's engagement ring is "in all probability essentially the most well-known sapphire of contemporary instances".
"Kate Middleton’s engagement ring has deep private which means for as he felt that by proposing to Catherine along with his mom’s engagement ring in 2010, it was his means of making certain that part of his mom was with him on their marriage ceremony day.
"Following the 2010 proposal, the recognition of sapphire engagement rings went by means of the roof, and so they nonetheless stay a very talked-about selection right now."
Skyrocketing in value since its preliminary buy, the ring was initially purchased for £28,000 in 1981 and is now estimated to be price round £300,000.
Whereas Kate's sapphire ring is a standard blue, sapphires are available a "rainbow" of various shades and may be certainly one of many blue tones, from marine blue, to deep royal blue, to cornflower.
Charlotte continued: "The opposite sapphire colors are yellow, inexperienced, violet, pink and orange.
"Sapphires come from the mineral, Corundum which is made up of aluminium and oxygen.
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"Corundum is the toughest mineral after diamond and is measured at a 9 on the hardness scale whereas a diamond is measured at 10. Diamonds are nonetheless 140 instances more durable than Corundum."
The place Kate Middleton and Princess Eugenie's engagement rings differ is that quite than being blue, Eugenie's sapphire is a shocking, uncommon pink.
Charlotte revealed: "Princess Eugenie’s engagement ring accommodates the rarest and arguably essentially the most stunning of sapphires - the Padparadscha - which comes from Sri Lanka with its title derived from the fragile lotus flower.
'Padparadscha sapphires are available a fragile pink orange hue and the rarest and most prized are the pure, untreated stones which have essentially the most readability.
"Princess Eugenie was introduced with a shocking Padparadscha sapphire ring by Jack Brooksbank after they bought engaged in 2018."
Whereas it's far rarer than the ring on Kate's finger, it's a lot much less expensive, in response to the professional.
"Princess Eugenie's Padparadscha sapphire is estimated to be between three and 4 carats.
"Though the value tag has by no means been made public, its worth is estimated to be round £60,000."
Charlotte Gatward is the director of , the oldest, impartial family-run jewellers within the UK.