1 carat natural diamond price
A 1 carat natural diamond costs between A$3,900 and A$11,600 at Vibama Jewels, depending on shape, colour and clarity. A round stone with F-G colour, VS clarity and a grading report from GIA costs A$7,850. A lab-grown diamond of the same size costs about A$630 for the same grades.
At 1 carat the Cushion shape is the most affordable and the Round shape the most expensive.
Indicative prices, F-G colour, VS clarity, excellent cut: November 2026 · Updated · Diamond price index →
| Shape | Colour D-E | Colour F-G | Colour H-I |
|---|---|---|---|
| Round | A$9,800 | A$7,850 | A$6,300 |
| Oval | A$8,650 | A$6,900 | A$5,550 |
| Emerald | A$8,050 | A$6,450 | A$5,150 |
| Cushion | A$7,850 | A$6,300 | A$5,050 |
| Princess | A$7,850 | A$6,300 | A$5,050 |
| Pear | A$8,450 | A$6,750 | A$5,400 |
| Radiant | A$8,050 | A$6,450 | A$5,150 |
| Marquise | A$7,850 | A$6,300 | A$5,050 |
| Heart | A$8,350 | A$6,650 | A$5,350 |
| Asscher | A$8,050 | A$6,450 | A$5,150 |
| VVS1-VVS2 | VS1-VS2 | SI1 | |
|---|---|---|---|
| Colour D-E | A$11,600 | A$9,800 | A$7,650 |
| Colour F-G | A$9,250 | A$7,850 | A$6,100 |
| Colour H-I | A$7,400 | A$6,300 | A$4,900 |
Questions buyers ask
How much does a 1 carat natural diamond cost?
A 1 carat natural diamond costs between A$3,900 and A$11,600 at Vibama Jewels, depending on shape, colour and clarity. A round stone with F-G colour, VS clarity and a grading report from GIA costs A$7,850. A lab-grown diamond of the same size costs about A$630 for the same grades.
Which shape is cheapest at 1 carat?
At 1 carat the Cushion shape is the most affordable and the Round shape the most expensive.
Does a 1 carat natural diamond come with a certificate?
Yes. Every natural diamond we sell at this size comes with a grading report from GIA, and we send you the report and a video of the exact stone before you pay.
Prices by carat
0.3 ct · 0.5 ct · 0.7 ct · 0.9 ct · 1 ct · 1.2 ct · 1.5 ct · 2 ct · 3 ct · Lab-grown 1 ct →