Marquise Step Cut Lab-Grown Diamonds
IGI-certified lab-grown Marquise Step Cut diamonds, each with its own page, 360° video and report.
10,000+ IGI/GIA certified · Same-day shipping before 6 PM ET · No MOQ · NY + LA · Trade approval same business day before 4 PM ET
| Stock# | Status | loc | shape | carat | color | clarity | lab | Certificate | p/ct | total | measurements | ratio | Image | Video | Growth type | flour | cut | polish | symmetry | depth | table |
|---|
Marquise Step Cut guide: what defines the cut
A marquise outline with step-cut facets instead of brilliant facets.
The typical proportions here are the medians of the Marquise Step Cut diamonds in our stock today, so they describe what you can actually buy.
Typical proportions (our stock)
| Proportion | Median |
|---|---|
| Table | 63% |
| Total depth | 67.4% |
| Crown angle | 35.4° |
| Pavilion angle | 43.0° |
| Length / width | 1.97 |
Marquise Step Cut lab-grown diamonds, wholesale
Guru Diam has 50+ IGI-certified Marquise Step Cut lab-grown diamonds in stock, from 1.10 to 5.22 carats, in our NYC Diamond District office on 47th Street and in Los Angeles. Every one has its own page with the 360° video and IGI report.
Marquise Step Cut trade questions
How fast do you ship?
Orders placed before 6 PM ET ship the same day from New York. International delivery takes 3–4 business days.
Is every diamond certified?
Yes. Each diamond on this page has an IGI or GIA report. Open the diamond page to see the report number and verify it on the lab's website.
How do I see prices?
Prices are for the trade. Sign in, or open a trade account: approval is the same business day if you apply before 4 PM ET.
Do you carry natural diamonds?
Yes. Certified natural diamonds are listed separately in Natural › Certified Diamonds.