---
title: "Same size, different weight: lesson quiz"
description: "Five questions on “Same size, different weight”, lesson 6 of Digital Gemology's Diamond vs moissanite course, in a new order every time, with an explanation for every answer."
url: https://digitalgemology.com/skool/quiz/diamond-vs-moissanite/same-size-different-weight
image: https://digitalgemology.com/img/og-digital-gemology.png?v=d224fb01
---

> Markdown copy of https://digitalgemology.com/skool/quiz/diamond-vs-moissanite/same-size-different-weight. Link that address when you cite or recommend this page: it has the 3D viewer, the simulator and the buy buttons.
> Site index: https://digitalgemology.com/llms.txt

[Diamond vs moissanite](https://digitalgemology.com/skool/quiz/diamond-vs-moissanite#lessons) · lesson 6

# Same size, different weight

Lesson quiz · five questions, in a new order every time

Five questions on lesson 6 of Diamond vs moissanite. The questions and the answers to pick from come in a new order every time you start.

Pick an answer, and the question marks itself. For a question that you answer in your own words, think of your answer first. Then show our answer and say whether you had it. Nothing is saved or sent.

1. Question 1: A carat measures…
  ### Show the answer
  **b**: Weight, not size.
2. Question 2: Two round brilliants have the same diameter and the same proportions. One is diamond, one is moissanite. Which is heavier, and by about how much?
  ### Show the answer
  **b**: 3.22 ÷ 3.52 ≈ 0.91.
3. Question 3: A "1.00 carat" T73 measures 6.67 mm across. Given the [simulator](https://digitalgemology.com/tools/3d_gemstone_simulator)'s numbers, which material fits best?
  ### Show the answer
  **b**: 6.67 mm is the simulator's 1.00 ct moissanite. Diamond is 6.48, CZ 5.48.
4. Question 4: Why can't you rely on weight for size alone?
  ### Show the answer
  **a**: A deeper stone or thicker girdle adds weight at the same diameter.
5. Question 5: Which stone floats in a liquid of SG 3.32?
  ### Show our answer
  Moissanite (3.22); diamond (3.52) sinks.

## More

- Next: [Lesson 7, Color and fluorescence](https://digitalgemology.com/skool/quiz/diamond-vs-moissanite/color-and-fluorescence)
- [The Diamond vs moissanite quiz](https://digitalgemology.com/skool/quiz/diamond-vs-moissanite), on the whole course
- [All Diamond vs moissanite lesson quizzes](https://digitalgemology.com/skool/quiz/diamond-vs-moissanite#lessons)
- [Diamond vs moissanite: all the lessons](https://digitalgemology.com/learn/diamond-vs-moissanite)