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About this object

Hope Diamond

Hope Diamond has an estimated weight of ≈9 grams. It ranks #117 of 128 in the Nature & Materials category.

Source excerpt: A famous deep-blue diamond.

Position in category

128 Items in category 1,265,106,122 tonnes Category average 6 kilograms Category median 0.2 grams–161,932,476,090 tonnes Category span

Similar weight

Quail ≈9 grams Regular Postcard 6–12 grams Standard Postcard 7–13 grams Collection of Pound Coins (sterling) 9.5 grams

Weight ladder

How this item compares with its eight closest neighbours on a logarithmic scale.

≈9 grams
Pair of earrings ≈8 grams Phone Case ≈8 grams Signet Rings ≈8 grams Women’s Gold Ring ≈8 grams Hope Diamond This item ≈9 grams Quail ≈9 grams Regular Postcard 6–12 grams Standard Postcard 7–13 grams Collection of Pound Coins (sterling) 9.5 grams

Weight details

Typical ≈9 grams
Minimum 9 grams
Maximum 9 grams
Value type Approximate
Weight reference text

Hope Diamond weighs about 9 grams

Unit conversions

Kilograms0.009 kilograms
Pounds0.02 pounds
Metric tonnes9e-06 tonnes
Grams9 grams
Ounces0.317 ounces
Stones0.0014 stones

Source

2 sources
The 10 Heaviest Diamonds in the World weightofstuff.com · Nature & Materials · Section: Weight reference · Article updated 2024-05-17
View source
List of The 15 Heaviest Jewelry Pieces in The World (With Images) weightofstuff.com · Nature & Materials · Section: 6. The Hope Diamond · Article updated 2024-05-16
View source

More from the same article

These entries come from the same source articles, so you can keep exploring the original context.

Spirit of de Grisogono (62.5 g) 7.34 grams Red Cross Diamond (41 g) 41 grams Centenary Diamond (273.85) 54.8 grams Cullinan II Diamond (63.5 g) ≈63.5 grams De Beers Diamond (46.93 g) 85.7 grams Cullinan I ≈106 grams

Related content

Collections

Under 100 grams

Related guides

How to read a weight range Why the same object can weigh different amounts

Same category

Women’s Gold Ring ≈8 grams Prostate gland 11 grams Spirit of de Grisogono (62.5 g) 7.34 grams Half a Dozen Nickels 5 grams Nickel 4–5 grams Glass Marbles ≈4.54 grams

Frequently asked questions

How much does Hope Diamond weigh?

Hope Diamond typically weighs about ≈9 grams, within a recorded range of 9 grams.

Where does Hope Diamond rank among Nature & Materials?

It ranks #117 of 128 entries in Nature & Materials, heavier than 2% of items in the dataset.

Where do these weight figures come from?

The data comes from 2 source articles on weightofstuff.com, most recently updated on 2026-11-06.

Dataset information

Items indexed <built-in method items of dict object at 0x7fb451b2b9c0>
Source articles 430
Categories 11
Confidence Medium
Category Nature & Materials
Category rank #117 of 128
Weight position Heavier than 2% of items
Updated 2026-11-06
Measurement type Mass
Dataset ID hope-diamond
URL slug hope-diamond

Confidence reflects how explicit the source wording is: exact values are high, ranges or approximations are medium, and vague statements are low.