How much does a 1.00 to 1.49ct J SI1 natural emerald diamond cost?

As of September 2026, 1.00 to 1.49ct J SI1 natural emerald diamonds typically cost $2,124 NZD to $6,247 NZD, with a median price of $3,260 NZD. There are currently 672 diamonds matching this specification available across retailers.

Where can I find the best price on a J SI1 emerald diamond?

Compare prices across retailers on Carat Hunter to see all your options.

1.00 to 1.49ct J SI1 Natural Emerald

Quick answer

As of September 2026, there are 672 natural emerald diamonds with J colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,124 NZD to $6,247 NZD, with a median of $3,260 NZD. At least 50 retailers stock this exact specification. Half of all listings fall between $2,330 NZD and $3,447 NZD per carat. The same specification in lab grown form lists at a median of about $2,497 NZD per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Emerald natural stones in the index: 2,166 USD per carat, -6.6% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

672

Lowest Price

$1,623 NZD

Highest Price

$12,538 NZD

Average Price

$3,689 NZD

Market Intelligence

Retailers Selling

Price Spread

40.3%

Price Range

Price per carat distribution across retailers

$1,613/ct

10th Percentile

$1,156

Median

$1,613

90th Percentile

$2,636

Score Distribution

672 diamonds scored across 4 quality tiers

Excellent

42 (6.3%)

Very Good

160 (23.8%)

Good

162 (24.1%)

Average

308 (45.8%)

Find Your Diamond

Search 672 J SI1 emerald 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 5%

Lab-Grown J SI1Same specifications, lab-grown origin

Save 15%

Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1