How much does a 1.50 to 1.99ct M SI1 natural pear diamond cost?

As of November 7, 2026, 1.50 to 1.99ct M SI1 natural pear diamonds typically cost $2,960 AUD to $5,633 AUD, with a median price of $3,865 AUD. There are currently 42 diamonds matching this specification available across retailers.

Where can I find the best price on a M SI1 pear diamond?

About 50% of these diamonds are available at multiple retailers, with an average price spread of 35%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct M SI1 Natural Pear

Quick answer

As of November 7, 2026, there are 42 natural pear diamonds with M colour and SI1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $2,960 AUD to $5,633 AUD, with a median of $3,865 AUD. Half of all listings fall between $2,137 AUD and $3,004 AUD per carat. Over the last 30 days the median price moved -0.6% and the number of listings moved +23.6%.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Pear natural stones in the index: 2,261 USD per carat, -2.3% month on month. See the full index release

Figures come from current listings across more than 125 retailers. The index is a monthly release.

Last updated: November 7, 2026

Available

Lowest Price

$2,759 AUD

Highest Price

$12,343 AUD

Average Price

$4,204 AUD

Market Intelligence

Cross Retailer %

50.0%

Price Spread

34.9%

30-Day Price Trend

-0.6%

30-Day Supply Change

+23.6%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,709/ct

10th Percentile

$1,312

Median

$1,709

90th Percentile

$2,388

Score Distribution

42 diamonds scored across 4 quality tiers

Excellent

6 (14.3%)

Very Good

15 (35.7%)

Good

13 (31.0%)

Average

8 (19.0%)

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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