How much does a 1.50 to 1.99ct I SI1 lab grown pear diamond cost?

As of October 2026, 1.50 to 1.99ct I SI1 lab grown pear diamonds typically cost $924 USD to $2,454 USD, with a median price of $1,465 USD. There are currently 57 diamonds matching this specification available across retailers.

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

About 43% of these diamonds are available at multiple retailers, with an average price spread of 74%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct I SI1 Lab Grown Pear

Quick answer

As of October 2026, there are 57 lab grown pear diamonds with I color and SI1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $924 USD to $2,454 USD, with a median of $1,465 USD. At least 27 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 74%. Half of all listings fall between $940 USD and $1,746 USD per carat. The same specification in natural form lists at a median of about $4,786 USD per carat. Over the last 30 days the median price moved +1.4% and the number of listings moved +19.6%.

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. Pear lab grown stones in the index: 452 USD per carat, -5.1% 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

Lowest Price

$422 USD

Highest Price

$5,583 USD

Average Price

$1,725 USD

Market Intelligence

Retailers Selling

Cross Retailer %

42.9%

Price Spread

73.8%

30-Day Price Trend

+1.4%

30-Day Supply Change

+19.6%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,092/ct

10th Percentile

$669

Median

$1,092

90th Percentile

$2,565

Score Distribution

98 diamonds scored across 4 quality tiers

Excellent

48 (49.0%)

Very Good

7 (7.1%)

Good

12 (12.2%)

Average

31 (31.6%)

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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