How much does a 1.50 to 1.99ct D IF natural round diamond cost?

As of October 2026, 1.50 to 1.99ct D IF natural round diamonds typically cost $31,270 NZD to $81,222 NZD, with a median price of $45,857 NZD. There are currently 213 diamonds matching this specification available across retailers.

Where can I find the best price on a D IF round diamond?

About 32% of these diamonds are available at multiple retailers, with an average price spread of 36%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct D IF Natural Round

Quick answer

As of October 2026, there are 213 natural round diamonds with D colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $31,270 NZD to $81,222 NZD, with a median of $45,857 NZD. At least 65 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 36%. Half of all listings fall between $22,419 NZD and $31,991 NZD per carat. The same specification in lab grown form lists at a median of about $1,046 NZD per carat. Over the last 30 days the median price moved -1.6% and the number of listings moved +12.7%.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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

213

Lowest Price

$19,759 NZD

Highest Price

$115,623 NZD

Average Price

$51,452 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

32.2%

Price Spread

36.3%

30-Day Price Trend

-1.6%

30-Day Supply Change

+12.7%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$14,819/ct

10th Percentile

$10,637

Median

$14,819

90th Percentile

$22,222

Score Distribution

483 diamonds scored across 5 quality tiers

Exceptional

15 (3.1%)

Excellent

124 (25.7%)

Very Good

100 (20.7%)

Good

125 (25.9%)

Average

119 (24.6%)

Find Your Diamond

Search 213 D IF round diamonds and compare prices.

Search Diamonds

Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

D VVS1VVS1 inclusions are not visible without magnification

Save 12%

Lab-Grown D IFSame specifications, lab-grown origin

Save 96%

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