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Live-action · English original

Diamond Mask

She was dumped for being poor. The diamonds on her rival's neck were designed by her own secret hands. The man who collects them all has chosen her.

50 episodes Live-Action Secret Designer Dumped Fiancee Jewelry Empire Revenge

Mia stands in a jewelry store as a salesgirl while the woman who took her fiancé tells her she does not get to wear the ring anymore. A wealthy collector walks in, points at a display piece, and decides Mia will be his private jewelry counselor. Grant, her ex, has no idea the stones on his new fiancée's neck carry Mia's hidden signature.

Diamond Mask is available on YourChannel through its official player.

PlatformYourChannel
Episodes50
LanguageEnglish original
SubtitlesEnglish
PlaybackBrowser · official player
50 episodes · full series on the official player

About the show

Source: YourChannel official drama page & player — editorial coverage based on the opening arc; series details verified 27 Oct 2026.

The opening is a jewelry store. Mia stands in a burgundy velvet dress while the woman who took her fiancé tells her: 'Take it off, Mia. You don't get to wear my ring anymore.' Mia answers that she is doing her job, not hers. A wealthy collector walks in, points at a display piece, and says he will take it as displayed. The staff tells him Mia will personally handle everything. Grant, her ex-fiancé, stands beside his new woman and watches.

The collision is a sales event. Grant introduces Mia to the room: 'Everyone, meet Mia, my ex fiancé and tonight's sales lady.' His new love wears a diamond necklace that Mia designed herself. The collector watches. He tells Grant: 'The largest M collection in the world is mine. I'm her biggest private collector.' He turns to Mia and makes her an offer: be his private jewelry counselor, and attend Grant's engagement preview on his arm.

The mask comes off one diamond at a time. Grant thinks Mia is a salesgirl. He has no idea the stones on his new woman's neck carry her hidden designs. The collector knows. He chose her because she thinks like M, because she whispers instead of screams, because she designs for women who already know who they are. The show lets Grant keep his blind spot until the truth lands on his own engagement night.

Meet the characters

Mia — The secret jewelry designer dumped for being poor
Mia
The secret jewelry designer dumped for being poor

Dark hair pulled back, a burgundy velvet dress with a high collar, pearl drop earrings. She is quiet and precise, and watches the woman who took her fiancé wear diamonds she designed herself.

I'm doing my job, not yours.

Mr Bennett — The wealthy collector who owns the largest private M collection in the world
Mr Bennett
The wealthy collector who owns the largest private M collection in the world

Dark wavy hair, a black suit with a green shirt open at the collar, a watch on his wrist. He is the biggest private collector of the M jewelry house. He does not negotiate; he chooses.

Be my private jewelry counselor. Conditions are simple. You attend Grant's engagement preview on my arm tomorrow night.

Grant — The ex-fiancé who dumped Mia for being poor
Grant
The ex-fiancé who dumped Mia for being poor

Blond hair slicked back, a blue suit with a white shirt, a purple orchid lapel pin. He is the man who told Mia she did not get to wear his ring anymore. He thinks he won — and has no idea the diamonds on his new woman's neck carry Mia's hidden signature.

Everyone, meet Mia, my ex fiancé and tonight's sales lady.

Standout scenes

Editorial picks from the opening arc — the ring scene, the sales-event introduction, and the main stone. No ending spoilers.

Episode 1

You Don't Get to Wear My Ring

The woman who took Mia's fiancé tells her: 'Take it off, Mia. You don't get to wear my ring anymore.' Mia answers: 'I'm doing my job, not yours.' A wealthy collector walks in, points at a display piece, and says he will take it as displayed.

Episode 2

The Engagement Preview

Grant and his new woman stand together in the jewelry store. She tells him: 'Make her kneel. My ring needs adjusting.' He looks at Mia and tells her to watch her mouth. The collector watches from the counter, his eyes on Mia, not on them.

Episode 5

My Ex Fiancé and Tonight's Sales Lady

Grant introduces Mia to the whole room: 'Everyone, meet Mia, my ex fiancé and tonight's sales lady.' His new love tells her: 'Try not to scratch it, dear.' The collector tells Grant: 'The largest M collection in the world is mine. I'm her biggest private collector.' He turns to Mia and asks her to be his private jewelry counselor.

Episode 8

The Main Stone

The collector announces a new piece tonight. The main stone was picked by Mia herself. Grant demands to see the source. The collector tells him the paperwork will arrive in his own handwriting. The mask is about to come off — on Grant's own engagement night.

Key moments

Frames from the opening arc — swipe to browse.

Diamond Mask official poster
Official poster
Mia in a burgundy velvet dress standing in the jewelry store
Ep 1 · The jewelry store
The rival telling Mia to take off the ring
Ep 1 · Take it off
Grant and his new woman together at the counter
Ep 2 · The couple
Mr Bennett pointing at a display piece
Ep 3 · The collector chooses
Grant introducing Mia to the room
Ep 5 · The introduction
The collector making his offer to Mia
Ep 5 · The offer
The new piece's main stone under the light
Ep 8 · The main stone
Grant demanding to see the source paperwork
Ep 8 · Demand for the source
Mia watching the rival wear her own design
Ep 1 · Her design on her rival
Close on the diamond necklace at the counter
Ep 1 · The necklace

Editor's take

Our editors' notes on the opening arc — personal picks, not audience feedback.

WebDramas editorial · on Mia

A heroine who is secretly the best in the room. Mia stands in a jewelry store as a salesgirl while the diamonds on her rival's neck carry her own hidden designs. She does not announce this. She lets the collector see it first.

WebDramas editorial · on Mr Bennett

A male lead who chooses, not begs. He does not negotiate. He points at a piece, says he will take it as displayed, and tells Mia she will be his private jewelry counselor. He is not here to rescue her — he is here to collect what he wants.

WebDramas editorial · on the revenge arc

Grant has no idea the woman he dumped designed the stones on his new fiancée's neck. The show lets him keep that blind spot until his own engagement night, when the paperwork arrives in the collector's own handwriting.

WebDramas editorial · the bottom line

Best for viewers who like secret-identity revenge drama set in a wealth world; if you want the heroine to publicly expose herself in the first act, Mia spends her opening hours whispering and letting the collector do the talking. Compared with most dumped-fiancée shorts, this one runs on slow diamond-by-diamond revelation — that restraint is both its strength and its limit.

Q&A

How many episodes does Diamond Mask have?
The official player confirms 50 episodes in total.
Where can I watch Diamond Mask?
Diamond Mask is available on YourChannel through its official player, linked from the Watch Now button on this page.
What is Diamond Mask about?
Mia was dumped by her fiancé Grant for being poor. She secretly designed the diamonds on his new fiancée's neck. A wealthy collector named Mr Bennett sees her and makes her his private jewelry counselor, with one condition: attend Grant's engagement preview on his arm.
Who is Mia?
The secret jewelry designer dumped for being poor. She works as a salesgirl while the diamonds on her rival's neck carry her own hidden designs. She does not announce this — she lets the collector see it first.
Who is Mr Bennett?
The wealthy collector who owns the largest private M jewelry collection in the world. He chooses Mia as his private jewelry counselor and tells her to attend Grant's engagement preview on his arm.
Who is Grant?
Mia's ex-fiancé who dumped her for being poor. He has no idea the diamonds on his new fiancée's neck were designed by Mia. He thinks he won.
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