What is the main difference between Black Diamond and G13?

Black Diamond is a Indica strain (70% Indica / 30% Sativa) with THC levels of 18–24%, while G13 is a Indica strain (70% Indica / 30% Sativa) with THC levels of 22–24%.

Which strain has higher THC — Black Diamond or G13?

Both have similar THC: Black Diamond at 18–24% and G13 at 22–24%.

What effects does Black Diamond have compared to G13?

Black Diamond produces hungry, relaxing, giggly, euphoric, happy effects, ideal for evening use. G13 produces euphoric, happy, relaxing, sleepy, uplifting effects, best for evening use.

What terpenes are in Black Diamond and G13?

Black Diamond features Myrcene, Pinene, Caryophyllene, giving it berry, grape, herb flavors. G13 features , with pine, sweet, wood flavors.

Which medical conditions can Black Diamond and G13 help with?

Black Diamond may help with add/adhd, anxiety, arthritis, asthma, chronic pain, depression, insomnia, loss of appetite, migraines, nausea, stress. G13 may help with anxiety, arthritis, depression, glaucoma, headaches, insomnia, migraines, ptsd, stress. Consult a healthcare professional before using cannabis for medical purposes.

Strain Encyclopedia

Black Diamond

Indica — THC 24%

G13

Indica — THC 24%

Potency, effects, terpenes, flavors, growing difficulty, and medical uses — compared side by side.

Home/Strain Comparisons/Black Diamond vs G13

Quick Verdict

Who wins in each category?

⚡

Potency

Tie

🏥

Medical

Black Diamond

🌱

Growing

Tie

🍋

Flavor

Black Diamond

Strain Profile Comparison

Six-axis profile overlay — see where each strain excels

Black Diamond

G13

Effect Matchup

Side-by-side effect intensity — bars show relative prominence

Black Diamond

Effect

G13

68%

Euphoric

100%

88%

Relaxing

77%

60%

Happy

88%

53%

Sleepy

68%

100%

Hungry

77%

Giggly

46%

Munchies

Uplifting

60%

4 shared effects highlighted

Black Diamond — Potency

THC0%

CBD0%

Potency LevelStrong

G13 — Potency

THC0%

CBD0%

Potency LevelStrong

Blackberry x Diamond OGBlack Diamond

Indica 70%Sativa 30%

Afghani Indica SelectionG13

Indica 70%Sativa 30%

Side-by-Side Specs

Green highlight indicates the superior value

Black Diamond

Profile Comparison

Shared (4)

RelaxingEuphoricHappySleepy

Only Black Diamond (3)

HungryGigglyMunchies

Only G13 (1)

Uplifting

Possible Side Effects

Only Black Diamond

Dry mouthDry eyesDizzy

Growing Guide Comparison

Black Diamond

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

G13

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

About These Strains

Black Diamond

Indica 70/30 — THC 18–24%

Black Diamond, which is otherwise referred to as 'Black Diamond OG' and sometimes as 'Black Diamond OG Kush', is the medical marijuana strain which is bred in the Northern California region as clone-only strain. This is an indica-dominant strain and is considered as a rare strain.

The THC levels of this strain range between 18 and 24%.

G13

Indica 70/30 — THC 22–24%

G13, also known as “ G-13” or “Government Indica Strain 1,” is an indica dominant hybrid (70% indica/30% sativa) strain with unknown parentage. This bud is rumored to have been created by the US Government during the 60's and 70's when they were experimenting with growing native Afghani weed strains for “medical” purposes.

Despite its confusing origins, G13 is definitely one bud that you should try at least once in your life, especially given its powerful effects and insanely potent 24% average THC level.

Which One Is Right for You?

Black Diamond and G13 are both excellent strains with distinct characteristics. Black Diamond is a Indica with 18–24% THC, while G13 is a Indica with 22–24% THC. Your choice depends on your preference for effects, growing difficulty, and intended use.

Choose Black Diamond

Black Diamond is a solid indica with hungry, relaxing, giggly effects.

Choose G13

G13 is a solid indica with euphoric, happy, relaxing effects.

Frequently Asked Questions

Common questions about Black Diamond vs G13

Medical Disclaimer

The information on this page is for educational purposes only and is not intended as medical advice. Cannabis affects everyone differently. Consult a qualified healthcare professional before using cannabis for any medical condition. Effects, potency, and medical benefits may vary. Do not use cannabis if pregnant, nursing, or under the legal age in your jurisdiction.

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