Cut
Cut describes how precisely a diamond’s facets interact with light. Excellent proportions help create brightness, fire and scintillation, often making cut the most noticeable of the 4Cs.
A 1.90 carat princess cut carried in a cathedral setting, with the band arching up to meet the stone rather than running flat into it.
A cathedral setting takes its name from the arches in a nave, and it does two things at once: it lifts the stone so light reaches the pavilion from below, and it puts metal on either side of the corners, which on a princess cut is exactly where the damage happens. Square cuts have four sharp points and they are vulnerable in a way rounds are not. The Penhale protects all four inside the arch while leaving the table completely open. The result is a ring with real height to it that still feels structural rather than perched.
| Centre Stone | 1.90ct Princess Cut |
| Metal | 18k White Gold |
| Setting | Cathedral, Protected Corners |
| Band Width | 2.2mm |
| Clarity | VS1 or better |
| Certification | GIA Certified |
Made in US sizes 2–14. Take a ring she already wears, measure straight across the inside of the band, and match that number to the diameter column below. It is more reliable than any printed paper gauge.
Caught between two sizes? Order the larger one. Every Montclair ring includes one complimentary professional resize within 60 days, so the guess costs you nothing.
Every Montclair Diamonds ring arrives with its matching GIA certificate, one complimentary resize inside the first 60 days, a polishing cloth, and our hinged presentation box — sealed, so the first person to open it is the person it is for.
THE MONTCLAIR DIAMOND GUIDE
A beautiful ring starts with understanding the stone. These are the details that influence a diamond’s appearance, rarity and character.
Cut describes how precisely a diamond’s facets interact with light. Excellent proportions help create brightness, fire and scintillation, often making cut the most noticeable of the 4Cs.
Diamond colour is graded from D to Z. The closer a stone is to colourless, the less visible body colour it generally displays, allowing its brilliance to take centre stage.
Clarity considers natural inclusions and surface characteristics. A VS1 diamond has very slight inclusions that are difficult to see under 10× magnification and are typically invisible to the unaided eye.
Carat measures diamond weight, not simply visual size. Shape, cut proportions and setting style can all influence how large a diamond appears on the hand.
INDEPENDENT CERTIFICATION
GIA is one of the world’s best-known independent gemological laboratories. A GIA grading report documents the diamond’s individual characteristics, including measurements and the 4Cs, giving you an independent reference for the stone you are choosing.
Always refer to the grading report supplied with your individual diamond for its exact specifications.
CHOOSE YOUR CHARACTER
Round brilliant diamonds are renowned for sparkle. Oval and pear shapes create an elongated look on the finger. Emerald cuts reveal broad, mirror-like flashes through their step facets, while princess and cushion cuts balance contemporary geometry with distinctive brilliance.
CRAFTED TO BE WORN
18k gold contains 75% pure gold alloyed with other metals for strength and wearability. White gold gives diamonds a bright, neutral setting that complements their natural brilliance.
THE RIGHT FIT
A well-fitted ring should slide over the knuckle with slight resistance and sit comfortably without spinning excessively. For the most accurate result, measure when your hands are at a normal temperature and compare against our US sizing options.
DIAMOND QUESTIONS
VS1 stands for Very Slightly Included 1. Inclusions are difficult for a trained grader to see at 10× magnification and are generally not visible without magnification.
No. Carat is only one characteristic. Cut quality, proportions, colour, clarity and personal preference all contribute to how a diamond looks and feels.
Shape changes the ring’s overall style and the way the stone presents on the hand. Different shapes also distribute their carat weight differently, so two diamonds of equal weight can appear different in size.
A GIA grading report provides an independent assessment of the diamond’s identifying characteristics and quality factors. The report for the individual stone is the definitive source for its exact grade and measurements.