Cannabis THCA Diamonds: What They Are and How to Use Them
THCA diamonds are crystalline cannabis extracts testing up to 99% THCA. Learn how they form, how to dab them, potency, storage, and legality.
THCA Diamonds Price per Gram
THCA diamonds sell for $10 to $30 per gram at retail. Orders of 10 grams or more drop to $4 to $12 per gram. Diamonds packed in terpene sauce run $15 to $40 per gram. State-licensed dispensaries charge more than online hemp sellers, often $30 to $60 per gram, because of state fees, testing, and taxes.
THCA is tetrahydrocannabinolic acid, the raw form of THC. Heat converts it. A dab at 400F to 600F decarboxylates THCA into THC. Diamonds eaten raw have little effect.
What Sets the Price
- Purity. Lab reports list THCA at 92% to 99%. A 99% batch costs more than a 92% batch.
- Form. Plain isolate diamonds cost less than diamonds in sauce.
- Weight tier. 1 gram, 3.5 grams, 7 grams, 14 grams, 28 grams. Price per gram falls at each step.
- Testing. Full panel COAs cover cannabinoids, terpenes, residual solvents, pesticides, heavy metals, and microbials. Each panel costs the seller money.
- Source. Hemp-derived THCA under the 2018 Farm Bill ships to many states. Marijuana-derived THCA stays in state-licensed shops.
How to Buy
- Read the COA. Check the batch number matches the jar. Check the lab holds ISO 17025 accreditation.
- Check the test date. A COA older than 12 months tells you little about the current batch.
- Compare price per gram, not jar price. Divide total cost by grams.
- Confirm the seller ships to your state. Some states ban THCA or all intoxicating hemp products.
- Weigh the jar on arrival. Labels list net weight.
Pitfalls
Some listings use the word diamonds for crushed isolate or isolate cut with distillate. Ask for the cannabinoid panel. Watch for added delta-8 THC in a THCA jar. Watch for a COA with no batch number. Prices under $3 per gram at retail point to trim run, low purity, or a short weight.
How to Use THCA Diamonds: A Buyer's Guide
State law changes. Confirm your state rules before you order. Federal law allows hemp with delta-9 THC at or under 0.3% dry weight. THCA content is a separate question and several states have acted on it.