The Alderton 2.10ct round brilliant four-prong solitaire ring

The Alderton — 2.10ct Round Brilliant Solitaire

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Sale price  $0.00 Regular price $499.00
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The Alderton 2.10ct round brilliant four-prong solitaire ring

The Alderton — 2.10ct Round Brilliant Solitaire

Sale price  $0.00 Regular price $499.00
Ring Size

Two point one zero carats of round brilliant, lifted clear of the band on four slender prongs. The Alderton is the ring most people picture when they close their eyes and think of the word.

The Design

There is nowhere to hide on a solitaire. No halo to flatter the centre, no pavé to draw the eye away, no shoulder detail to busy things up. So the work all goes into the things you do not consciously notice — how high the stone sits, how thin the prongs can be cut before they stop being safe, and how the band tapers as it approaches the setting so the diamond reads larger than its measurement. The Alderton is our least decorated ring and the hardest one to make properly.

Specifications

Centre Stone 2.10ct Round Brilliant Cut
Metal 18k White Gold
Setting Four-Prong Raised Solitaire
Band Width 2mm, tapered
Clarity VS1 or better
Certification GIA Certified

Your Size

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.

US Size Inner Diameter Circumference
2 13.3mm 41.6mm
3 14.1mm 44.2mm
4 14.9mm 46.8mm
5 15.7mm 49.3mm
6 16.5mm 51.9mm
7 17.3mm 54.4mm
8 18.1mm 57.0mm
9 18.9mm 59.5mm
10 19.8mm 62.1mm
11 20.6mm 64.6mm
12 21.4mm 67.2mm
13 22.2mm 69.7mm
14 23.0mm 72.3mm

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.

In The Box

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

Know what makes a diamond exceptional.

A beautiful ring starts with understanding the stone. These are the details that influence a diamond’s appearance, rarity and character.

01

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.

02

Colour

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.

03

Clarity

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.

04

Carat

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 certified diamonds.

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

Every diamond shape has a different presence.

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.

RoundClassic brilliance
OvalElegant & elongated
EmeraldArchitectural clarity
PearGraceful & distinctive
PrincessModern geometry
CushionSoft-edged romance

CRAFTED TO BE WORN

18k white gold.

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

Choosing your ring size.

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

Before you choose your ring.

What does VS1 clarity mean?

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.

Is a higher carat always a better diamond?

No. Carat is only one characteristic. Cut quality, proportions, colour, clarity and personal preference all contribute to how a diamond looks and feels.

Why does diamond shape matter?

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.

What does GIA certification tell me?

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.

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