How much does a 1.50 to 1.99ct E SI1 lab grown princess diamond cost?

As of October 2026, 1.50 to 1.99ct E SI1 lab grown princess diamonds typically cost ₹20,853 INR to ₹1,03,733 INR, with a median price of ₹62,884 INR. There are currently 53 diamonds matching this specification available across retailers.

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

About 40% of these diamonds are available at multiple retailers, with an average price spread of 106%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct E SI1 Lab Grown Princess

Quick answer

As of October 2026, there are 53 lab grown princess diamonds with E colour and SI1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run ₹20,853 INR to ₹1,03,733 INR, with a median of ₹62,884 INR. At least 33 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 106%. Half of all listings fall between ₹21,208 INR and ₹58,231 INR per carat. The same specification in natural form lists at a median of about ₹4,52,961 INR per carat. Over the last 30 days the median price moved +7.5% and the number of listings moved +24.4%.

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. Princess lab grown stones in the index: 461 USD per carat, -4.8% 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

₹14,759 INR

Highest Price

₹2,70,996 INR

Average Price

₹63,973 INR

Market Intelligence

Retailers Selling

Cross Retailer %

39.6%

Price Spread

105.6%

30-Day Price Trend

+7.5%

30-Day Supply Change

+24.4%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$368/ct

10th Percentile

$156

Median

$368

90th Percentile

$799

Score Distribution

175 diamonds scored across 4 quality tiers

Excellent

37 (21.1%)

Very Good

20 (11.4%)

Good

27 (15.4%)

Average

91 (52.0%)

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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