Gold 18K / g
Metals desk
Global & Iranian Gold
Live spot pricing translated into theoretical Iranian gold value.
Global benchmark
ERROR
XAU / USD
$USD
Iran open market
ERROR
USD / TOMAN
$1T
TGJU publishes Rial. The adapter divides that source value by 10 before showing Toman.
Calculated values
1 oz = 31.1034768 gPure & 18K gold per gram
24K
Pure gold
24K Gold
18K
Jewelry benchmark
18K Gold
Market reality check
ERROR
Iran 18K Comparison
Theoretical 18K—Toman / gram
TGJU market 18K—Toman / gram
Awaiting market priceConnect the proxy or enter a manual rate.
T
Transparent mathematicsCalculation breakdown
Calculation breakdown
Global ounce—
÷
Troy grams31.1034768
×
Purity0.75 for 18K
×
USD / Toman—
=
Iran 18K value—
Purchase intelligence
Gold Purchase Analyzer
Separate raw gold value from the total premium hidden in a store price.
Purchase inputs
01Offer details
Purchase quality
Enter an offer to analyze
Jewelry range
0%
LowGoodModerateHigh
Premium / gram—
Total premium paid—
Raw-gold growth to break even—
Raw gold must reach — per gram to equal your effective purchase price.
Discount analysis
No savings yetIs the discount meaningful?
Original store price—
Discount amount—
Discount percentage—
Final price—
Price / gram before—
Price / gram after—
Premium before—
Premium after—
Best break-even——
Lowest paid / gram——
Purpose mix—Investment vs jewelry
+
No saved offers yet
Complete the calculator, give the offer a title, then choose “Add to comparison”.
OfferPurposeWeightFinal pricePaid / gramRaw / gramPremiumBreak-evenAction
Calculation tracePurchase formula breakdown
Purchase formula breakdown
Final price = Store price − DiscountPrice / gram = Final price ÷ WeightPremium % = ((Price / gram − Raw gold / gram) ÷ Raw gold / gram) × 100Break-even growth % = max(0, Premium %)FX desk
International Currency
Convert through USD with synchronized Iranian Toman pricing.
Shared across every tab
USD / Toman
Enter a manual rate or connect TGJU.
Toman
International reference rates
Not updated1 USD equals
Bidirectional converter
Convert any supported currency
$USD
USD base value—All cross-rates use USD internally.
Control center
Settings & Data Sources
Configure adapters, cache policy, precision, thresholds, and theme.
External services
Data providers
Expected response: an object containing a numeric
price.Supports Frankfurter v2 arrays or a standard
rates object.Expected JSON:
{ rate, unit: "rial" | "toman" }.The included optional proxy exposes this route.
Refresh policy
Live data behavior
minutes
seconds
Purchase intelligence
Premium thresholds
Investment purchases use stricter limits; jewelry purchases allow more room for design and making costs. Values are upper boundaries.
InvestmentStricter premium range
JewelryDesign-aware premium range
Presentation
Precision & appearance
Local data
Cache & application controls
Cached market values are separate from calculator inputs and preferences.
01
Gold API
Keyless XAU spot endpoint. Browser CORS is supported by the provider.
02
Frankfurter
Keyless central-bank reference rates. These are reference FX rates, not retail bank quotes.
03
TGJU
Iranian Rial market pages may block browser requests. Use the included proxy or manual mode; 10 Rial equals 1 Toman.