1.50 - 1.99ct J SI1 Natural Marquise

As of April 2026, there are 921 natural marquise diamonds with J color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from $47 CAD to $297,054 CAD, with an average of $7,462 CAD.

Last updated: April 2026

Available
921
Lowest Price
$47 CAD
Highest Price
$297,054 CAD
Average Price
$7,462 CAD

Market Intelligence

Retailers Selling
41
Cross Retailer %
N/A
Price Spread
46.0%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A

Price Range

Price per carat distribution across retailers

$4,454/ct
10th Percentile
$2,567
Median
$4,454
90th Percentile
$6,135

Score Distribution

920 diamonds scored across 4 quality tiers

Excellent
107 (11.6%)
Very Good
181 (19.7%)
Good
368 (40.0%)
Average
264 (28.7%)

Find Your Diamond

Search 921 J SI1 marquise diamonds and compare prices.

Search Diamonds

Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J SI2SI2 inclusions are not visible without magnification
Save 10%
Lab-Grown J SI1Same specifications, lab-grown origin
Save 57%

Related Specifications

D IFD VVS1D VVS2D VS1D VS2D SI1E IFE VVS1E VVS2E VS1E VS2E SI1F IFF VVS1F VVS2F VS1F VS2F SI1G IFG VVS1G VVS2G VS1G VS2G SI1H IFH VVS1H VVS2H VS1H VS2H SI1I IFI VVS1I VVS2I VS1I VS2I SI1