Gems & Jewelry

These are the Mastery gem tables. The 5e version is Generous Gems.

Gems

Gems are the most compact wealth a party can find, and a small pouch of stones can be worth more than a chest of coin. Each gem has its own type, quality, and size, and together they set its value.

Merchants and jewelers have names of their own for stones, and those names don't always match what the stone is.

Cardinal Gems. Diamond, ruby, sapphire, emerald, and amethyst: the five great stones of crowns, regalia, and altars. Diamonds are a trade of their own, with merchants who deal in nothing else.

Hardstones. Agate, bloodstone, carnelian, chalcedony, chrysoprase, jade, jasper, lapis lazuli, onyx, and porphyry, a hard purple stone, prized less for setting than for carving into cups, seals, inlay, and, in porphyry's case, the grandest vessels and tombs.

Oriental and Occidental. Merchants sort stones by color: every red stone is a ruby of some kind, and every purple stone an amethyst. An "oriental" stone is the finest of its color, hard and brilliant, taking a polish second only to diamond. An "oriental amethyst" or "oriental topaz" is such a stone, and is in truth a sapphire of that color. An "occidental" stone is the softer, lesser kind.

How It Works

Roll	Die	Result
Grade	d100	Which gem table to roll on
Gem	Grade's die	The gem and its base value
Quality	2d10	A multiplier
Size	Cascading d4	The gem's carats

Value = base value × quality multiplier × carats × carats, in silver pennies.

Example: A Good sapphire of 2 carats is worth 35 × 3 × 2 × 2 = 420 sp.

d100	Grade	Gem
01–50	Ornamental	d20
51–80	Common	d20
81–95	Semi-Precious	d12
96–00	Precious	d12

Ornamental (d20)

d20	Gem	Base Value
1	Agate	1 sp
2	Fluorite	1 sp
3	Jet	1 sp
4	Quartz	1 sp
5	Amber	1.5 sp
6	Fibrolite	1.5 sp
7	Amblygonite	2 sp
8	Bloodstone	2 sp
9	Carbuncle	2 sp
10	Carnelian	2 sp
11	Citrine	2 sp
12	Enstatite	2 sp
13	Onyx	2 sp
14	Apatite	3 sp
15	Chiastolite	3 sp
16	Diopside	3 sp
17	Idocrase	3 sp
18	Kyanite	3 sp
19	Petalite	3 sp
20	Scapolite	3 sp

Common (d20)

d20	Gem	Base Value
1	Jacinth	4 sp
2	Sphalerite	4 sp
3	Spodumene, Pink	4 sp
4	Ametrine	5 sp
5	Chrysoprase	5 sp
6	Garnet, Malaia	5 sp
7	Garnet, Rhodolite	5 sp
8	Water Sapphire	5 sp
9	Axinite	6 sp
10	Chrysolite	6 sp
11	Coral	6 sp
12	Moonstone	6 sp
13	Spinel	6 sp
14	Spodumene, Green	6 sp
15	Callais	8 sp
16	Diaspore	8 sp
17	Lapis Lazuli	8 sp
18	Sphene	8 sp
19	Sunstone	8 sp
20	Zircon	8 sp

Semi-Precious (d12)

d12	Gem	Base Value
1	Garnet, Mandarin	10 sp
2	Phenakite	10 sp
3	Tourmaline	10 sp
4	Aquamarine	12 sp
5	Beryl	12 sp
6	Topaz	12 sp
7	Tourmaline, Bi-Color	12 sp
8	Chrysoberyl	15 sp
9	False Sapphire	15 sp
10	Jade	15 sp
11	Opal, Fire	15 sp
12	Garnet, Grossular	18 sp

Precious (d12)

d12	Gem	Base Value
1	Garnet, Demantoid	25 sp
2	Balas	28 sp
3	Opal, White	30 sp
4	Amethyst	35 sp
5	Chrysoberyl, Color-Change	35 sp
6	Sapphire	35 sp
7	Emerald	40 sp
8	Opal, Black	40 sp
9	Pearl	45 sp
10	Pearl, Black	50 sp
11	Ruby	55 sp
12	Diamond	60 sp

Quality (2d10)

2d10	Quality	Multiplier
2–6	Flawed	×1
7–10	Fair	×1.5
11–13	Good	×3
14–15	Fine	×4.5
16	Superior	×6
17	Excellent	×7.5
18	Outstanding	×8
19	Exceptional	×9
20	Flawless	×10

Size (Cascading d4)

d4	Carats
1	¼
2	½
3	¾
4	1 or more: roll 1d4 again for 1, 2, or 3 carats. On a 4, roll again for 4, 5, or 6 carats; on another 4, roll again for 7, 8, or 9; and so on, three carats higher with each 4

Carats	¼	½	¾	1	2	3	4	5	6	7	8	9	10	11	12
Carats × carats	1/16	1/4	9/16	1	4	9	16	25	36	49	64	81	100	121	144

Gems are carried like coins: up to 3,200 gems take the space of one Light object, and a handful takes no space.

Rough Hardstone

Hardstone that has not been carved is sold as raw material, by weight, for about 5 sp an ounce.

Gem Descriptions

Agate. A translucent, banded stone whose layers curve in rings of white, grey, brown, and red. Carved into beads, cups, and seals.

Amber. A hardened, translucent tree resin of warm golden-yellow to deep orange, often containing preserved insects or plant matter.

Amblygonite. A translucent, glassy stone that is typically pale yellow, though can be found in soft shades of grey or pink.

Amethyst. A transparent gemstone ranging in color from a light, pinkish-violet to a deep, royal purple.

Ametrine. A bi-color quartz that displays distinct zones of both golden-yellow citrine and royal-purple amethyst in the same crystal.

Apatite. A brightly colored stone, most often seen in vivid hues of teal, neon blue, or grassy green.

Aquamarine. A transparent, crystalline gemstone with a clear, pale color reminiscent of calm seawater.

Axinite. A glassy, clove-brown to reddish-violet stone that can flash different colors when viewed from various angles.

Balas. A red to rose-pink stone long sold as a ruby, and set as the great "rubies" of many crowns. Paler and softer in color than a true ruby, and worth about half as much. Some are a dusky mauve.

Beryl. A clear, crystalline gemstone that appears in soft hues of yellow, gold, pink, or peach, and very rarely a deep raspberry red.

Bloodstone. A dark green, opaque stone flecked with spots of red, as if spattered with blood. Carved for seals and amulets.

Callais. An opaque stone of sky-blue to blue-green, often veined with brown or black. Polished smooth rather than cut.

Carbuncle. A deep red garnet, polished into a smooth dome. The old name for any glowing red stone, and the everyday red of rings and brooches.

Carnelian. A translucent, orange to blood-red stone. Favored for seal rings, and said to release hot wax cleanly.

Chiastolite. An earthy, olive-green or reddish-brown stone that flashes different colors when turned. Some crystals, cut across, show a dark cross, and are carried as amulets.

Chrysoberyl. A transparent stone with a distinct yellowish-green to honey-brown color and a bright, glassy luster. The finest show a single bright line of light across the stone, like a cat's eye.

Chrysoberyl, Color-Change. Appears bluish-green in daylight, yet shifts to a reddish-purple when viewed under candle or firelight.

Chrysolite. A transparent gemstone known for its distinct and uniform lime or olive-green color. A rarer golden-brown stone is often sold as the same.

Chrysoprase. A translucent, apple-green stone, smooth and even in color. Some chapels set it into their walls.

Citrine. A transparent quartz ranging from a pale, straw-yellow to a warm, brownish-orange.

Coral. Branches of red to pink coral from the sea, polished into beads and charms. Red coral is worn against the evil eye.

Diamond. A perfectly transparent, crystalline stone that internally fractures light into dazzling flashes of rainbow color.

Diaspore. A transparent stone, often pale yellow or green, known for changing to a pinkish-orange under different light.

Diopside. A transparent, forest-green gem that can sometimes display a four-rayed star effect on its surface.

Emerald. A rich, vibrant green gemstone, often with fine, wispy internal inclusions that give it a mossy depth.

Enstatite. A greenish-brown to olive-colored stone with a fibrous appearance that gives it a silky sheen.

False Sapphire. A transparent, sapphire-blue stone with more fire than a true sapphire, and sold as a lesser one.

Fibrolite. A fibrous, translucent stone, typically grey or brownish, often cut to display a cat's-eye effect.

Fluorite. A soft, often banded stone that appears in a wide spectrum of colors, commonly purple, blue, and green.

Garnet, Demantoid. A rare and brilliant green garnet known for its fiery light dispersion that can outshine diamond.

Garnet, Grossular. A brilliant, transparent garnet in a pure, vivid green, like fresh spring leaves, or a golden yellow-green with high luster.

Garnet, Malaia. A vibrant garnet that ranges in color from a pinkish-orange to a reddish-brown.

Garnet, Mandarin. An intensely bright orange to reddish-orange garnet.

Garnet, Rhodolite. A transparent garnet with a distinctive and rich raspberry-red to purplish-red color.

Idocrase. A translucent stone found in shades of yellowish-green to olive-brown, often with a glossy or resinous luster.

Jacinth. A stone of honey-yellow to cinnamon-orange, glowing warm in candlelight.

Jade. A tough, opaque stone with a smooth luster, most commonly seen in shades of muted to vibrant green.

Jet. A light, deep black stone that takes a mirror polish and grows warm in the hand. Worn in mourning.

Kyanite. A stone known for its streaky, sapphire-like blue color and a silky, fibrous appearance.

Lapis Lazuli. An opaque stone of deep blue flecked with glittering gold. Ground, it makes the costliest blue paint.

Moonstone. A milky, translucent stone with a soft blue sheen that drifts across its surface as it moves.

Onyx. A banded stone of black and white layers, carved into cameos and seals.

Opal, Black. An opaque, dark-bodied stone with a surface that erupts in shifting, vibrant flashes of iridescent color.

Opal, Fire. A translucent stone with a uniform, glowing body of fiery orange, red, or yellow.

Opal, White. A stone with a milky, pale white body that shimmers with a subtle, iridescent play-of-color.

Pearl. A lustrous, white to cream sphere grown in a shell. The roundest and largest are the jewels of nobles and kings.

Pearl, Black. A rare pearl of dark grey to black, with green, blue, or peacock overtones.

Petalite. A transparent, colorless to pale pink gem that can have a glassy or sometimes pearly luster.

Phenakite. A brilliant, colorless stone that is often so clear and well-formed it can be mistaken for a diamond. Some are a pale pink.

Quartz. A common, clear, and glassy crystalline mineral, sometimes with a milky or smoky translucence.

Ruby. A gemstone of deep, almost glowing, crimson red that can sometimes contain silky, microscopic inclusions.

Sapphire. A transparent gemstone prized for its deep, velvety to brilliant royal blue color.

Scapolite. A transparent to translucent stone, often yellow or pale violet, that can exhibit a silky, cat's-eye sheen.

Sphalerite. A stone with exceptional light dispersion, often appearing in fiery shades of yellow, orange, or red.

Sphene. A brilliant yellowish-green, green, or brown gem known for its intense, multi-colored flashes of fire.

Spinel. A bright, glassy stone in blue, violet, pink, or orange. The red stones are sold as balas.

Spodumene, Green. A transparent stone of pale mint-green to emerald-green.

Spodumene, Pink. A transparent, pastel pink to light-violet stone that may fade in direct sunlight.

Sunstone. A translucent, orange to reddish-brown stone filled with tiny, glittering metallic inclusions that create a spangled effect.

Topaz. A hard, transparent crystal most commonly seen in shades of golden-yellow or sky blue.

Tourmaline. A crystalline gemstone famous for appearing in more colors and color combinations than any other stone.

Tourmaline, Bi-Color. A tourmaline crystal that displays two or more distinct colors, such as the classic pink and green "watermelon" variety.

Water Sapphire. A transparent, violet-blue gem that shifts to pale yellow or grey as it is turned.

Zircon. A brilliant, transparent stone with a fiery sparkle, found in many colors but most often a bright, sky blue.

Jewelry

Jewelry turns up in hoards, on the fallen, in merchants' strongboxes, and among the goods of the wealthy. It gives treasure a shape beyond a count of coins: a copper ring, a gilt brooch, a crown. A piece is priced the way a jeweler would price it, by its material, the work that went into it, and any gems set in it. The steps below price a piece you have in mind, or build one at random.

Every type of jewelry has a Silver Value: what its material would be worth if the piece were made of silver. The rest of a piece's value is worked out from it.

Value = Silver Value × (Material + Craftsmanship + Embellishment) + Gems

Material, Craftsmanship, and Embellishment are each a number from the tables below. Add the three numbers, multiply by the Silver Value, then add the value of any gems.

Valuing a Piece

Type. Find the Type table, roll 1d100 or choose a type, and write down its Silver Value.
Material. Find the Material table, roll 1d100 or choose a material, and write down its number.
Craftsmanship. Find the Craftsmanship table, roll 2d6 or choose a result, and write down its number.
For Masterwork, roll 1d4 and use the result as its number.
Embellishment. Find the Embellishment table, roll 1d20 or choose a result, and write down its number.
Gold, red gold, and platinum are never gilded, so treat Gilded as None for them.
Enamel is fused onto metal, so treat Enamelled as None for pieces not made of metal.
For Inlaid, roll a second material on the Material table and multiply its number by 0.25.
Add. Add the material, craftsmanship, and embellishment numbers together.
Multiply. Multiply that total by the Silver Value.
Gem Chance. Find the type on the Gems in Jewelry table and roll 1d100; if the roll is within its Gem Chance, the piece has gems.
Number of Gems. On the same row, roll the die under Gems to find how many gems the piece holds.
An odd number is a center stone and pairs, and an even number is all pairs.
Earrings hold one matched pair, prayer beads are all one gem, and a torc's two gems sit one at each end.
Each Gem. Roll one gem for the center stone and one for each pair, as described in Gems.
Both stones of a pair are the same gem, quality, and size.
The Setting on the same row limits each gem's size, as shown in the Setting table.
The largest stone takes the center.
Value. Add the value of each gem to the total from step 6.
- A piece is always worth at least 1 cf.

Example

Type. 1d100 rolls 47: a Brooch, Silver Value 20.
Material. 1d100 rolls 88: Electrum, number 3.
Craftsmanship. 2d6 rolls 7: Fine, number 0.1.
Embellishment. 1d20 rolls 18: Gilded, number 0.5.
Add. 3 + 0.1 + 0.5 = 3.6.
Multiply. 20 × 3.6 = 72.
Gem Chance. A brooch's Gem Chance is 01–30, and 1d100 rolls 55, so the brooch has no gems.
Number of Gems. No gems to roll.
Each Gem. No gems to roll.
Value. A gilt electrum brooch of fine work, worth 72 sp.

Type (d100)

d100	Type	Silver Value
01–02	Nose Ring	1 sh
03–09	Earrings	2 sp
10	Navel Ring	1 sp
11–12	Toe Ring	1 sp
13–25	Ring	2 sp
26–29	Hairpin	5 sp
30–33	Amulet	10 sp
34–39	Pendant	10 sp
40–42	Locket	15 sp
43–45	Medallion	20 sp
46–53	Brooch	20 sp
54–56	Anklet	20 sp
57–60	Prayer Beads	30 sp
61–66	Bracelet	30 sp
67–70	Bangle	30 sp
71–73	Comb	30 sp
74–75	Choker	30 sp
76–79	Arm Ring	40 sp
80–84	Necklace	40 sp
85	Belly Chain	40 sp
86–89	Chain	60 sp
90	Diadem	80 sp
91	Tiara	80 sp
92	Corolla	100 sp
93–94	Chatelaine	100 sp
95	Carcanet	120 sp
96–97	Girdle	160 sp
98	Coronet	200 sp
99	Torc	300 sp
00	Crown	600 sp

Material (d100)

d100	Material	Multiplier
01–03	Oak	×0
04–05	Walnut	×0
06–07	Cherry	×0
08–09	Hickory	×0
10–12	Boxwood	×0
13–18	Bone	×0
19–22	Horn	×0
23–25	Shell	×0
26–28	Ceramic	×0
29–30	Soapstone	×0
31–33	Glass	×0
34–37	Iron	×0
38	Ebony	×0
39–45	Copper	×0.01
46–52	Bronze	×0.01
53–57	Brass	×0.01
58–61	Pewter	×0.01
62–63	Mother-of-pearl	×0.02
64–65	Orichalcum	×0.02
66	Tortoiseshell	×0.15
67–69	Ivory	×0.2
70	Hepatizon	×0.2
71–87	Silver	×1
88–89	Electrum	×3
90	Black Copper	×7
91–92	Red Gold	×13
93	Hardstone	×15
94	Rock Crystal	×15
95–99	Gold	×22
00	Platinum	×25

Hardstone. A stone carved into vessels and figures; its value includes the long work of carving it. Roll 1d10 on the Hardstone table to find the stone.

d10	Hardstone
1	Agate
2	Bloodstone
3	Carnelian
4	Chalcedony
5	Chrysoprase
6	Jade
7	Jasper
8	Lapis Lazuli
9	Onyx
10	Porphyry

Craftsmanship (2d6)

2d6	Craftsmanship	Number
2	Crude	0
3–4	Plain	0
5–9	Fine	0.1
10–11	Superior	0.25
12	Masterwork	1d4

Embellishment (d20)

d20	Embellishment	Number
1–16	None	0
17–18	Gilded	0.5
19	Enamelled	0.5
20	Inlaid	Second material × 0.25

Gems in Jewelry

Type	Gem Chance (d100)	Gems	Setting
Amulet	01–30	1d3	Broad
Anklet	01–10	1d4	Narrow
Arm Ring	01–10	1	Narrow
Bangle	01–10	1d4	Narrow
Belly Chain	01–05	1d4	Narrow
Bracelet	01–10	1d4	Narrow
Brooch	01–30	1d4	Broad
Carcanet	01–90	2d6	Broad
Chain	01–05	1d6	Narrow
Chatelaine	01–10	1d4	Medium
Choker	01–30	1d6	Medium
Comb	01–05	1d3	Medium
Corolla	01–20	1d4	Broad
Coronet	01–75	1d6	Broad
Crown	Always	2d6	Broad
Diadem	01–60	1d6	Broad
Earrings	01–20	1 per earring	Narrow
Girdle	01–40	2d6	Broad
Hairpin	01–15	1	Narrow
Locket	01–20	1d3	Broad
Medallion	01–15	1d3	Broad
Navel Ring	01–15	1	Narrow
Necklace	01–30	1d6	Medium
Nose Ring	01–10	1	Narrow
Pendant	01–40	1d3	Broad
Prayer Beads	01–25	3d10 beads	Narrow
Ring	01–40	1	Medium
Tiara	01–70	2d6	Broad
Toe Ring	01–10	1	Narrow
Torc	01–02	2	Medium

Setting

Setting	Largest stone	Size roll
Narrow	4 carats	On the second die, a 4 is 4 carats
Medium	7 carats	On the third die, a 4 is 7 carats
Broad	No limit	Roll as normal

Types of Jewelry

Amulet. A charm worn for protection, named for its purpose rather than its form.

Bangle. A rigid bracelet.

Belly Chain. A chain worn around the waist, against the skin.

Carcanet. A jeweled collar worn close at the neck, usually of linked, gem-set plaques.

Chatelaine. A hook or clasp worn at the belt, with short chains holding keys, a seal, scissors, or other small tools.

Choker. A necklace worn close around the throat.

Corolla. A wreath of metal leaves worn on the head.

Coronet. A small crown marking noble rank, below a sovereign's.

Crown. A full ring, open or closed over the top, worn by a ruler as the sign of sovereignty.

Diadem. A jeweled band worn around the brow as a sign of rule.

Girdle. A belt worn at the waist, often of linked metal plaques.

Locket. A pendant that opens to hold a keepsake.

Medallion. A large disc worn as a pendant, bearing an image or design.

Tiara. A jeweled half-circle worn upright at the front of the head.

Torc. A rigid neck ring, open at the front, with decorated ends.