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

As of October 2026, 1.50 to 1.99ct F SI1 lab grown princess diamonds typically cost ₹22,579 INR to ₹1,09,437 INR, with a median price of ₹63,659 INR. There are currently 61 diamonds matching this specification available across retailers.

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

About 37% of these diamonds are available at multiple retailers, with an average price spread of 102%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct F SI1 Lab Grown Princess

Quick answer

As of October 2026, there are 61 lab grown princess diamonds with F colour and SI1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run ₹22,579 INR to ₹1,09,437 INR, with a median of ₹63,659 INR. At least 34 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 102%. Half of all listings fall between ₹21,241 INR and ₹56,555 INR per carat. The same specification in natural form lists at a median of about ₹4,81,728 INR per carat. Over the last 30 days the median price moved +1.9% and the number of listings moved +11.8%.

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

₹17,911 INR

Highest Price

₹2,61,993 INR

Average Price

₹66,084 INR

Market Intelligence

Retailers Selling

Cross Retailer %

36.6%

Price Spread

101.7%

30-Day Price Trend

+1.9%

30-Day Supply Change

+11.8%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$365/ct

10th Percentile

$146

Median

$365

90th Percentile

$872

Score Distribution

158 diamonds scored across 4 quality tiers

Excellent

37 (23.4%)

Very Good

22 (13.9%)

Good

29 (18.4%)

Average

70 (44.3%)

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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