Natural Diamond
Natural Diamond · Marquise
Good Cut
Carat
0.75 - 1.00 carat
Color
G-H (Near Colorless)
Clarity
SI1 - SI2
Shape
Marquise
Overall Assessment
A classic examples of a Marquise cut natural diamond. While it displays a common bow-tie effect in the center, it has a prominent finger-lengthening appearance and respectable size.
Cut Quality
Good
Brilliance
Fair to Good; shows typical light return for an elongated cut.
Fire
Moderate; spectral colors visible at the tips.
Scintillation
Moderate; characteristic bow-tie effect visible in the center.
Proportions
Classic elongated marquise length-to-width ratio, approximately 2:1. Slightly deep pavilion visible.
Symmetry
Good
Polish
Very Good
Fluorescence
None to Faint
Inclusions
Possible small crystals or feathers visible along the wing area under magnification.
Blemishes
Minor surface scratches on facets consistent with wear; slight abraded facet edges.
Origin
Likely Earth-mined; common vintage or classic engagement ring style.
Treatment Detection
None apparent; looks like a standard untreated natural diamond.
Estimated Value
$1,800 - $3,500 USD (Retail value varies based on exact specs).
Certification Estimate
GIA (Gemological Institute of America) - Likely H color, SI1 clarity.
Investment Potential
Low to Moderate; standard commercial quality diamond for personal use.
Similar Diamonds
Traditional 1.0ct Marquise cut diamonds on GIA scales.
Setting Suggestions
The current V-tip prongs are ideal for protecting the fragile points of a Marquise. Pairs well with yellow gold.
Care & Maintenance
Ultrasonic cleaning or mild soap and warm water. Avoid heavy impact on the pointed tips.
Interesting Facts
The Marquise cut was commissioned by King Louis XV of France to resemble the lips of his mistress, the Marquise de Pompadour.