All valuations were correct at the time of broadcast. First broadcast in 2016 from Kelvingrove Art Gallery and Museum in Glasgow, jewellery expert Joanna Hardy examines a trio of early-20th-century American diamond pieces inherited from one guest’s grandmother. Blending exquisite craftsmanship with generations of family history, these jewels carry both sentimental and material value – but what figure will Joanna place on them?
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I'm so lucky to see some beautiful jewellery, and diamonds never fail to impress me.
And these are pretty impressive.
They have a lot of memories for me.
My grandmother, who was born in 1900, she died about 30 years ago.
And she cared how she looked, but it was always about her jewellery.
Her jewellery and furs were everything to her.
And her horses.
Oh, and your horses?
Horses, yes.
She had, with my grandfather and her, they met in Philadelphia on horseback when they were 14 years old.
And they were both born in 1900.
And that was a time when actually platinum came into its own then.
Jewellery hadn't been made with platinum before.
It was silver before then.
Right, right.
But that era, these pieces really evoke that era.
The piercing here that you can see, the tiny details that are in the jewellery here, in the rings,
it's so indicative of this period.
So when did you acquire these?
Well, about a year ago.
My dad is, he'll be 89 in March.
And he called my sister and myself and said,
Can you come to see me, just you, without your husbands or partners?
So we had a day with Dad where he said we were old enough to have the family jewellery.
We were 54 and 55.
I didn't know why it would take so long.
What about my wedding?
But it was lovely.
We spent the whole day.
And there was lots of jewellery.
What's interesting, these were all made in America.
Because they've all got 14 carat, in fact, is inscribed on this bangle.
And these two are platinum.
And they've both been made by the same person because there's inscribed JKD,
which is the initials of the maker.
But I don't know who the maker is, but it's inscribed JKD.
This is a diamond that was cut in about 1910, that sort of period.
We call it a circular cut diamond or a transitional cut diamond,
before it became the modern brilliant cut that we know today.
And this is about a carat and a half.
And then this one here, it is again the same style, same period, same maker.
But this has the three stone diamonds with the little triangles or sapphires in between.
As well as you've got diamonds set onto the side too.
So there was a huge attention to detail for the craftsman.
But what I love, actually, with the three is this bangle.
This was her favourite piece.
Was it?
Out of all her jewellery, she loved this piece.
What I like is that these diamonds, which again are the same period,
but I think they might have come from another piece of jewellery
because they're all slightly different in sizes.
Yes, I wondered that.
They're not all uniformed.
But it is this repousse work, which is an ancient technique going back to 1500 BC.
You would push the metal away and out.
And you would have it on the backside, exactly.
Because this is hollow.
The gold lining has gone inside, so you've got another layer of gold to give it strength.
Because it's quite light.
Exactly.
Values of these?
I have no idea.
Never been valued.
You would be looking at, with the bangle here, something between £5,000 to £7,000.
And then we have here the three-stone ring with the sapphire triangles,
and we would be looking at about £4,000.
Wow, OK.
And then we have this one here, and we would be looking at about £5,000.
So, collectively, you're looking at about £15,000.
Wow.
Go, Grandma.
She had beautiful taste.
Go, Grandma. Exactly.
I think these are a better bet than the horses.
Stick with these.
I think I will.