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51.59 Carats Total Round Brilliant Cut Diamond Riviera Necklace in Platinum

$195,000
In stock · one of a kind · ready to ship
Insured worldwide delivery via Brink's Global Services — shipping & delivery
Certification on request before purchase — returns policy
Reserve — $15,500 deposit
3-Day Exclusive Hold · Fully Refundable
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At a glance

Shape

Round Brilliant

Carat

51.59ct

Colour

On Request

Metal

Platinum

CertificateCertified · papers on request
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Shipping & Returns — ships worldwide, Brink's insured door-to-door, in discreet packaging.
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The rivière is the most demanding test of a diamond house: a single line where every stone must answer to the next, with nowhere for a flaw to hide. This one gathers 51.59 carats of round brilliant-cut diamonds in platinum, set as one flowing course of light against the throat. A necklace of this weight succeeds or fails on matching — size, fire and proportion held in perfect step across the entire line — and assembling it at this calibre is the work of access and patience rather than chance. The effect is pure and architectural, formal enough for the most significant evening yet timeless in a way that resists fashion entirely. A piece like this holds its worth and seldom returns to the market once acquired. Colour and clarity are available on request, with documentation provided to your specialist for review. Acquisition is private and personally guided throughout. We would be honoured to arrange a viewing, or to discuss terms discreetly in the Negotiation Room at your convenience.

Specifications

  • Metal: Platinum
  • Diamond / Gem weight: 51.59ct
  • Cut: Brilliant, Round
Carat Weight
51.59ct
Shape
Round Brilliant
Color
On Request
Metal
Platinum
Certification
GIA / IGI / HRD on request
Treatment
None · Natural
Reference Number
LD-N-HJ-0023

Brink's Global insured worldwide delivery — every Legacy acquisition ships door-to-door through Brink's secure network, fully insured, in discreet neutral packaging.

White-glove delivery — for qualifying pieces, our concierge arranges in-person delivery to your residence or private office.

3-day exclusive hold — your reservation holds the piece privately for 3 days, fully refundable.

Independently certified — to your choice of GIA, IGI or HRD on request; documents shared privately with verified acquirers.

Authentication guarantee — if any piece does not match its stated specifications, full money-back refund.

Care — a soak in warm water with mild soap restores light return; have the prongs inspected annually.

The Complete Story

In full — nothing hidden

Most listings hide the writing. We don't — this is the work, in full.

The rivière is the most demanding test of a diamond house: a single line where every stone must answer to the next, with nowhere for a flaw to hide. This one gathers 51.59 carats of round brilliant-cut diamonds in platinum, set as one flowing course of light against the throat. A necklace of this weight succeeds or fails on matching — size, fire and proportion held in perfect step across the entire line — and assembling it at this calibre is the work of access and patience rather than chance. The effect is pure and architectural, formal enough for the most significant evening yet timeless in a way that resists fashion entirely. A piece like this holds its worth and seldom returns to the market once acquired. Colour and clarity are available on request, with documentation provided to your specialist for review. Acquisition is private and personally guided throughout. We would be honoured to arrange a viewing, or to discuss terms discreetly in the Negotiation Room at your convenience.

Specifications

  • Metal: Platinum
  • Diamond / Gem weight: 51.59ct
  • Cut: Brilliant, Round
MEET YOUR PRIVATE CLIENT ADVISOR

Rebecca Forsyth

Senior Diamond Earrings Specialist
Recognized Legacy Source
GIA / IGI / HRD Verified
Brinks Insured Partner
Based in New York
Always available — by WhatsApp and email
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51.59 Carats Total Round Brilliant Cut… $15,500
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In stock · one of a kind · ready to ship
Insured worldwide delivery via Brink's Global Services — shipping & delivery
Certification on request before purchase — returns policy

At a glance

Shape

Round Brilliant

Carat

51.59ct

Colour

On Request

Metal

Platinum

CertificateCertified · papers on request

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