Ring Concierge built its following on a specific look: fine jewelry that is unmistakably diamond but small enough to sleep in. Tennis chains you never take off, huggie hoops in a stacked ear, thin pave bands worn three at a time, a single bezel pendant. It is a formula, and once you can name the pieces you can build it at almost any budget.

Below is that formula piece by piece, shopped across the retailers with the strongest fine jewelry benches right now: Mejuri, AUrate, Monica Vinader, Nordstrom and Saks Fifth Avenue.

The anchor of the whole look. The move is a fine-gauge line, roughly 1mm to 2mm, in lab-grown or natural diamonds. AUrate's petite and mini widths sit closest to the Ring Concierge proportion; Monica Vinader's 1.1mm is the most delicate; Nordstrom carries the higher-carat versions if you want visible weight.

A stacked ear needs one substantial huggie and two smaller studs. Buy studs as singles where you can, so you can mix carat weights across piercings. Saks has the classic 14K huggie; Nordstrom's Bony Levy singles are the easiest entry point.

Three thin bands beat one statement ring in this aesthetic: a pave band, a plain or twisted band, and something with texture. Keep the metals matched and the widths different.

The layer that does the most work. A bezel or solitaire pendant on a 16 to 18 inch chain, worn above the tennis necklace, is the entire Ring Concierge neckline.

Start with the pendant, add the huggies, then the tennis piece last, since it is the single biggest line item. Lab-grown diamonds are the reason this look is now achievable under four figures, and the settings and gold weight are what separate a piece that lasts from one that does not. Look for solid 14K or 18K gold rather than vermeil for anything you plan to wear daily, and check the clasp on tennis styles: a double-lock is worth the small premium.