The rigid backend
Live pricing engine
Every piece is priced from these inputs. Adjust the live metal and gemstone prices, the global margin, or the making charge — the entire catalog recomputes instantly.
Metals
Price per gram · purity-weighted
Yellow Gold 18k
75% pure$/g
White Gold 18k
75% pure$/g
Rose Gold 18k
75% pure$/g
Platinum 950
95% pure$/g
Gemstones
Price per carat
Emerald
$/ct
Diamond
$/ct
Ruby
$/ct
Sapphire
$/ct
Global margin
Markup over materials cost. 135% above cost.
2.35×
Making charge
Fixed per-piece labour cost in USD.
$
Last applied 1/1/1970, 12:00:00 AM · current gold $74.50/g · diamond $9,800.00/ct