How much does a 1.50 to 1.99ct H SI1 natural emerald diamond cost?

As of October 2026, 1.50 to 1.99ct H SI1 natural emerald diamonds typically cost $7,767 NZD to $24,421 NZD, with a median price of $13,852 NZD. There are currently 120 diamonds matching this specification available across retailers.

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

About 29% of these diamonds are available at multiple retailers, with an average price spread of 61%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct H SI1 Natural Emerald

Quick answer

As of October 2026, there are 120 natural emerald diamonds with H colour and SI1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $7,767 NZD to $24,421 NZD, with a median of $13,852 NZD. At least 60 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 61%. Half of all listings fall between $5,463 NZD and $10,095 NZD per carat. The same specification in lab grown form lists at a median of about $1,289 NZD per carat. Over the last 30 days the median price moved -1.9% and the number of listings moved +6.9%.

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

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Emerald natural stones in the index: 2,278 USD per carat, +6.2% month on month. See the full index release

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

Last updated: October 2026

Available

120

Lowest Price

$5,821 NZD

Highest Price

$35,569 NZD

Average Price

$14,985 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

29.1%

Price Spread

61.2%

30-Day Price Trend

-1.9%

30-Day Supply Change

+6.9%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$4,263/ct

10th Percentile

$2,519

Median

$4,263

90th Percentile

$7,021

Score Distribution

404 diamonds scored across 4 quality tiers

Excellent

35 (8.7%)

Very Good

59 (14.6%)

Good

75 (18.6%)

Average

235 (58.2%)

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Consider Instead

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

H SI2SI2 inclusions are not visible without magnification

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Lab-Grown H SI1Same specifications, lab-grown origin

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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