How much does a 1.00 to 1.49ct J SI2 natural round diamond cost?

As of June 2026, 1.00 to 1.49ct J SI2 natural round diamonds are available from HK$433 HKD to HK$6,213,462 HKD, with an average price of HK$50,180 HKD. There are currently 13,366 diamonds matching this specification available across retailers.

Where can I find the best price on a J SI2 round diamond?

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1.00 to 1.49ct J SI2 Natural Round

Last updated: June 2026

Available

13,366

Lowest Price

HK$433 HKD

Highest Price

HK$6,213,462 HKD

Average Price

HK$50,180 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

N/A

Price Spread

47.2%

30-Day Price Trend

N/A

30-Day Supply Change

N/A

Volatility (30d)

N/A

Price Range

Price per carat distribution across retailers

$1,922/ct

10th Percentile

$1,280

Median

$1,922

90th Percentile

$3,261

Score Distribution

13.4K diamonds scored across 4 quality tiers

Excellent

2,232 (16.7%)

Very Good

4,718 (35.3%)

Good

3,581 (26.8%)

Average

2,835 (21.2%)

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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