Gleason's Gielinor Guide

Opal

Released							27 January 2003 (Update)
Members							Yes
Properties
Tradeable							Yes
Equipable							No
Stackable							No
Noteable							Yes
Options							Drop
Examine							A semi precious stone.
Values
Value							100 coins
High alch							60 coins
Low alch							40 coins
Weight							0.002 kg
Grand Exchange
Exchange							178 coins (info)
Buy limit							13,000
Daily volume							50,080
View real-time prices
Advanced data
Item ID							1609
Link							MOID

Opals are semi-precious gems used mainly in Crafting. They can be cut from uncut opals with a chisel, yielding 15 experience. There is a chance to unsuccessfully cut the opal, resulting in a crushed gem and 3.8 experience.

Opals are the lowest level gemstone.

One opal is required for The Dig Site, either cut or uncut, and one for Legends' Quest.

Creation

Requirements
Skill	Level	XP
Crafting	1	15
Members	Ticks	2 (1.2s)
Tools	Facilities	None

Materials
Item		Quantity	Cost
	Uncut opal	1	80
Total cost			80
	Opal	1	178
Profit			98
Profit after GE Tax			95

Cutting chance

The chance to successfully cut an opal is: (level−1)*122/98+129256^[1]

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Based on this probability formula, the price of uncut opal 80 and the price of opal 178, the minimum Crafting level to break even or better when cutting opals is 1.

Products

	Skills	XP	Materials
Opal amulet (u)	27	55	1 × Silver bar 1 × Opal
Opal bolt tips × 12	11	1.5	1 × Opal
Opal bracelet	22	45	1 × Opal 1 × Silver bar
Opal machete	None	None	300 × Trading sticks 3 × Opal 1 × Gout tuber
Opal necklace	16	35	1 × Opal 1 × Silver bar
Opal ring	1	10	1 × Opal 1 × Silver bar

Training

Crafting

Opals can be crafted into jewellery at a furnace by using a silver bar and the appropriate crafting mould.

Level	Input	Material Cost^{[t 1]}	Output	Sell Price	Profit / loss	XP/Craft	XP/Hour	Coins/XP	High Alch
1	Opal Silver bar	317	Opal ring	763	446	10	6,500	44.60	630
16	Opal Silver bar	317	Opal necklace	761	444	35	22,750	12.69	630
22	Opal Silver bar	317	Opal bracelet	542	225	45	29,250	5.00	690
27	Opal Silver bar	317	Opal amulet (u)	519	202	55	35,750	3.67	540
27	Opal amulet (u) Ball of wool	581	Opal amulet	525	−56	4	8,000	−14.00	540

^ Cost calculated assuming all inputs are purchased from the Grand Exchange.

Fletching

Level	Input	Material Cost^[2]	Output	Sell Price	Profit/Loss	XP/Fletch	XP/Hour	Coins/XP
11	Opal	178	Opal bolt tips x12	324	146	1.5	N/A	97.33

Magic

Opal jewellery can be enchanted using Lvl-1 Enchant, requiring level 7 Magic. The spell requires 1 cosmic rune, 1 water rune and the piece of opal jewellery that is to be enchanted.

Unenchanted	Cost of Unenchanted Jewellery	Material Cost^{[t 1]}	Enchanted	Sell price	Profit/Loss	XP/Cast	XP/Hour	Coins/XP
Opal ring	763	886	Ring of pursuit	1,370	484	17.5	28,000	27.66
Opal necklace	761	884	Dodgy necklace	1,373	489	17.5	28,000	27.94
Opal bracelet	542	665	Expeditious bracelet	1,062	397	17.5	28,000	22.69
Opal amulet	525	648	Amulet of bounty	629	−19	17.5	28,000	−1.09

^ Cost calculated using a staff of water (provides unlimited water runes) and includes costs of cosmic runes.

Combined

Requires 7 Magic; for experience rates and Crafting requirements, see above tables. Assumes a staff of water is wielded for enchantment and a staff of fire is wielded for alchemy. High Alchemy profits account for the price of a nature rune.

Materials	Material cost	Product	Product value	Profit	Product value (HA)	Profit (HA)
Opal Silver bar Cosmic rune	440	Ring of pursuit	1,370	1,002	630	126
Opal Silver bar Cosmic rune	440	Dodgy necklace	1,373	1,005	630	126
Opal Silver bar Cosmic rune	440	Expeditious bracelet	1,062	694	690	186
Opal Silver bar Cosmic rune Ball of wool	502	Amulet of bounty	629	199	540	−26

Item sources

Source	Level	Quantity	Rarity
Soil Level 1 digs	1	1	1/12

Shop locations

Seller	Location	Number in stock	Restock time	Price sold at	Price bought at	Change Per	Members
Gabooty's Tai Bwo Wannai Cooperative.	Tai Bwo Wannai	0	30s	120	60	2.0%
Gabooty's Tai Bwo Wannai Cooperative. (Karamja gloves)	Tai Bwo Wannai	0	30s	100	80	2.0%

References

^ Jagex. Mod Ash's Twitter account. 13 January 2019. Archived from the original on 14 June 2019.
^ Cost calculated assuming all inputs are purchased from the Grand Exchange.