Gold Price (Daily)

USD 4219.4 / oz  •  USD 135.66 / g

Updated daily at 12 PM Hong Kong Time

24K Gold

USD / g $135.66
HKD / g HK$1064.93
JPY / g ¥21733
NTD / g NT$4408.95
CNY / g ¥917.37

18K Gold

USD / g $101.74
HKD / g HK$798.66
JPY / g ¥16299
NTD / g NT$3306.55
CNY / g ¥688.0

14K Gold

USD / g $79.09
HKD / g HK$620.86
JPY / g ¥12670
NTD / g NT$2570.43
CNY / g ¥534.83

9K Gold

USD / g $50.87
HKD / g HK$399.33
JPY / g ¥8149
NTD / g NT$1653.28
CNY / g ¥344.0

24k 18k 14k 9k Gold Price – Daily Updates | MadisonDia

Gold Karat Guide · MadisonDia

Understanding 9K, 14K, 18K & 24K Gold

"K" stands for karat — a measure of gold purity out of 24 parts. Higher karat = more pure gold, but not always better for jewelry. Here's the quick guide.

24K
99.9% · 999
Purest gold. Too soft for jewelry — best for investment bars.
Investment
18K
75% · 750
Warm, rich tone. Luxury standard used by Cartier & Tiffany.
Luxury
14K
58.3% · 585
Most popular in the US. Great scratch resistance for daily wear.
Versatile
9K
37.5% · 375
Hardest & most affordable. Ideal for claw settings & thin bands.
Most Durable

Hardness vs. Purity
More alloy = harder metal. Harder = better for everyday rings.
24K
Purity

Hardness ~25 HV

18K
Purity

Hardness ~125 HV

14K
Purity

Hardness ~150 HV

9K
Purity

Hardness ~170 HV


How We Price
Karat Price = 24K Spot × (Karat ÷ 24)
Example at $148/g spot price, 5g ring:
18K → 5 × $148 × 0.750 = $555.00
14K → 5 × $148 × 0.583 = $431.42
9K  → 5 × $148 × 0.375 = $277.50

Want the full guide? Read the complete breakdown of K Gold vs Pure Gold — differences, history, and what to buy.

Read Full Guide → Shop Rings