1.25 carat lab-grown diamond price
A 1.25 carat lab-grown diamond costs between $310 and $670 at Vibama Jewels, depending on shape, color and clarity. A round stone with F-G color, VS clarity and a grading report from IGI costs $540.
At 1.25 carat the Cushion shape is the most affordable and the Round shape the most expensive.
Indicative prices, F-G color, VS clarity, excellent cut: November 2026 · Updated · Diamond price index →
| Shape | Color D-E | Color F-G | Color H-I |
|---|---|---|---|
| Round | $600 | $540 | $460 |
| Oval | $530 | $480 | $410 |
| Emerald | $500 | $440 | $380 |
| Cushion | $480 | $430 | $370 |
| Princess | $480 | $430 | $370 |
| Pear | $520 | $460 | $400 |
| Radiant | $500 | $440 | $380 |
| Marquise | $480 | $430 | $370 |
| Heart | $510 | $460 | $390 |
| Asscher | $500 | $440 | $380 |
| VVS1-VVS2 | VS1-VS2 | SI1 | |
|---|---|---|---|
| Color D-E | $670 | $600 | $510 |
| Color F-G | $590 | $540 | $450 |
| Color H-I | $510 | $460 | $390 |
Questions buyers ask
How much does a 1.25 carat lab-grown diamond cost?
A 1.25 carat lab-grown diamond costs between $310 and $670 at Vibama Jewels, depending on shape, color and clarity. A round stone with F-G color, VS clarity and a grading report from IGI costs $540.
Which shape is cheapest at 1.25 carat?
At 1.25 carat the Cushion shape is the most affordable and the Round shape the most expensive.
Does a 1.25 carat lab-grown diamond come with a certificate?
Yes. Every lab-grown diamond we sell at this size comes with a grading report from IGI, and we send you the report and a video of the exact stone before you pay.
Prices by carat
0.5 ct · 0.75 ct · 1 ct · 1.25 ct · 1.5 ct · 2 ct · 2.5 ct · 3 ct · 4 ct · 5 ct