How much does a 1.00 to 1.49ct D SI2 natural oval diamond cost?

As of September 2026, 1.00 to 1.49ct D SI2 natural oval diamonds typically cost $3,636 NZD to $8,542 NZD, with a median price of $5,301 NZD. There are currently 2,817 diamonds matching this specification available across retailers.

Where can I find the best price on a D SI2 oval diamond?

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1.00 to 1.49ct D SI2 Natural Oval

Quick answer

As of September 2026, there are 2,817 natural oval diamonds with D colour and SI2 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $3,636 NZD to $8,542 NZD, with a median of $5,301 NZD. At least 55 retailers stock this exact specification. Half of all listings fall between $4,086 NZD and $5,751 NZD per carat. The same specification in lab grown form lists at a median of about $1,875 NZD per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Oval natural stones in the index: 2,380 USD per carat, -9.6% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

2,817

Lowest Price

$2,263 NZD

Highest Price

$21,002 NZD

Average Price

$5,773 NZD

Market Intelligence

Retailers Selling

Price Spread

34.6%

Price Range

Price per carat distribution across retailers

$2,773/ct

10th Percentile

$1,986

Median

$2,773

90th Percentile

$4,015

Score Distribution

2.8K diamonds scored across 4 quality tiers

Excellent

526 (18.7%)

Very Good

898 (31.9%)

Good

680 (24.1%)

Average

713 (25.3%)

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Lab-Grown D SI2Same 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