Redora Jewels · Buying Guides
Every guide below is written by the people who make the pieces: diamond grading, ring sizing, setting durability, metal care, and how a custom order actually moves through a manufacturing facility.
Written by Edwin Lin, founder of Redora Jewels, with the production team in Shenzhen. Redora manufactures custom fine jewelry, which is stated openly so each guide can be judged on whether the specifications hold up.
What actually changes the look and the price of a stone, and what only changes the paperwork.
Cut, color, clarity, and carat ranked by how much each one changes what you see in the finished piece.
Round, oval, emerald, pear, marquise and the rest, compared on finger coverage, sparkle, and cost per carat.
Identical carbon structure, very different price and resale behavior. The full comparison.
What the grading labs say, and why the answer is yes on every measurable property.
An honest look at resale, including where the expectation goes wrong.
The specifications worth asking any seller for before you compare prices.
Micro, French, shared prong and bead set, with the failure patterns our production team repairs most.
A measured 20.06 ct stone at 18.16 x 12.73 mm, with millimeter sizes by carat weight.
Metal, stones, labor, and markup: what each share of the price actually covers.
Budget, shape, and the questions that come up before a proposal.
A full walk through from stone choice to setting style to sizing a ring in secret.
Where the old salary rules came from and what buyers actually spend now.
The convention by country, and what to do when both rings are worn together.
Metal above the spot price, production loss, and why a middleman adds 50 to 80 percent.
Width, profile, metal, and how a band is meant to sit next to an engagement ring.
Comfort fit, width, finish, and matching a band to an existing ring.
How a wedding band differs from an eternity band and an anniversary ring.
Why two side stones push a straight band off the ring, and how a curved band is drawn and fitted to sit flush.
The same 18K with a frosted surface: where it goes on in production, where it shines first, and how it comes back.
What happens between an idea and a finished piece, and how to judge a supplier.
Where true custom work starts and where it is really just a stock design with a swapped stone.
CAD, wax, casting, setting, and quality control, stage by stage with realistic timing.
The checks that separate a real production facility from a middleman, written so the same standard applies to us.
Letter and monogram rings, and the design choices that keep them from looking dated.
Why we take 30 percent, refundable until you approve the CAD rendering, against a 50 percent trade norm.
The five checks before shipping, and why the finished weight comes in under the CAD figure.
Why we decline a rush that skips the second inspection, and what a hurried piece loses.
We charge for the gold and the setting work only. How your stone is checked, set, and covered.
One piece per design, what sets the price, and what private label covers for a new brand.
Where hollowing saves gold, where texture rules it out, and what can still be repaired.
Lighter and lower in gold than 18k, with real limits on chains and clasps. What a factory can make in it.
One AI design image, three CADs from 1.7 to 2.2 mm, and the finished weights of a 14K pair.
Getting the fit right, and keeping solid gold looking the way it did on day one.
Four methods, a printable sizer, and the international conversion table.
Karat by karat, plus the stones and settings that should never go near chlorine.
A safe routine for solid gold and set stones, and the household products to keep away from it.
Which rings can be resized, how many sizes you actually get, and what pave shoulders cost you.
Rings worn daily usually every 12 to 18 months; pendants and earrings rarely need it.
Why a clasp fails at the spring rather than the gold, and which karat we put on the tongue.
Send a reference image, a sketch, or a description. Our production team will come back with materials, structure, and a realistic production schedule.