How much does a 1.00 to 1.49ct H SI1 natural oval diamond cost?

As of October 2026, 1.00 to 1.49ct H SI1 natural oval diamonds typically cost ₹1,98,062 INR to ₹5,32,093 INR, with a median price of ₹3,03,080 INR. There are currently 916 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 48%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct H SI1 Natural Oval

Quick answer

As of October 2026, there are 916 natural oval diamonds with H colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run ₹1,98,062 INR to ₹5,32,093 INR, with a median of ₹3,03,080 INR. At least 62 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 48%. Half of all listings fall between ₹2,10,880 INR and ₹3,34,664 INR per carat. The same specification in lab grown form lists at a median of about ₹83,912 INR per carat. Over the last 30 days the median price moved -1.1% and the number of listings moved -0.8%.

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. Oval natural stones in the index: 2,655 USD per carat, +10.2% 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

916

Lowest Price

₹1,10,617 INR

Highest Price

₹10,63,041 INR

Average Price

₹3,38,881 INR

Market Intelligence

Retailers Selling

Cross Retailer %

35.9%

Price Spread

47.9%

30-Day Price Trend

-1.1%

30-Day Supply Change

-0.8%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,723/ct

10th Percentile

$1,859

Median

$2,723

90th Percentile

$4,675

Score Distribution

2.3K diamonds scored across 4 quality tiers

Excellent

215 (9.2%)

Very Good

604 (25.8%)

Good

466 (19.9%)

Average

1,058 (45.2%)

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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