Meridian · Necklaces
Meridian Collar
€ 390,000
A collar built on a hand-forged platinum armature shaped to a cast of the wearer's own neck, then set from the centre outwards over eleven weeks.
- Reference
- MER-07
- Carat
- 21.60 ct
- Cut
- Round brilliant
- Colour / clarity
- D · IF
- Metal
- Platinum 950
- Atelier hours
- 640 h
- Stones
- 96
- Armature
- Cast to client
- Setting time
- 11 weeks
- Clasp
- Invisible bayonet
True scale
21.60 ct · ⌀ 18.10 mm
Drawn to the millimetre against a 52 finger. Screens vary slightly; the salon holds physical models of every carat step.
Compare this piece with another
Delivered with its optical performance report and full reactor record.
Complimentary sizing, annual inspection and lifetime re-polish.
Private viewing in Riyadh, Geneva or Antwerp.
Seed to setting
The record of this stone
01 · Day 0
Seed plate
A 0.3 mm slice of type IIa carbon is selected and mapped for lattice defects.
02 · Weeks 1 – 14
Reactor
Plasma growth at 1,050 °C, logged hour by hour for fourteen weeks.
03 · Week 15
Anneal
High-pressure anneal removes residual strain colour; measured before and after.
04 · Week 16
Planning
The rough is scanned at 0.01 mm and the cut plan chosen for fire, not for yield.
05 · Weeks 17 – 19
Cutting
Facets are laid to house proportions; pavilion angle held to ±0.15°.
06 · Weeks 20 – 22
Setting
640 bench hours, claws cut from the metal itself and closed by hand.
07 · Week 23
Report
Optical performance mapped at 21 points and archived under MER-07.
The report that travels with it
01
Optical performance
Brilliance, fire and scintillation mapped across the crown at 21 measured points.
02
Reactor record
Fourteen weeks of growth logged hour by hour, reprinted in full in your dossier.
03
Setting dossier
The bench notes of the setter who finished the piece, signed and dated.
