0.30ct H SI1 Marquise Lab Grown Diamond
FR • H/SI1 • TA50D-190-564
Diamond specifications and retailer prices
About this 0.3ct lab-grown marquise diamond
This 0.3ct lab-grown marquise sits in the sub-half-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade. Listed at 4 retailers as of October 31, 2026, with prices from £102 to £406, a £304 spread on the same certified stone. NZ Jewellers lists it at £406. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.
The 4Cs
Specifications
Caratlytics Score
How it works →4 retailers
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