How much does a 1.00 to 1.49ct G IF natural radiant diamond cost?

As of October 2026, 1.00 to 1.49ct G IF natural radiant diamonds typically cost £2,016 GBP to £5,844 GBP, with a median price of £3,969 GBP. There are currently 29 diamonds matching this specification available across retailers.

Where can I find the best price on a G IF radiant diamond?

About 36% of these diamonds are available at multiple retailers, with an average price spread of 51%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct G IF Natural Radiant

Quick answer

As of October 2026, there are 29 natural radiant diamonds with G colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £2,016 GBP to £5,844 GBP, with a median of £3,969 GBP. At least 58 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 51%. Half of all listings fall between £3,051 GBP and £5,014 GBP per carat. The same specification in lab grown form lists at a median of about £446 GBP per carat. Over the last 30 days the median price moved +11.8% and the number of listings moved +48.7%.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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

Lowest Price

£1,528 GBP

Highest Price

£10,587 GBP

Average Price

£4,128 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

35.7%

Price Spread

50.8%

30-Day Price Trend

+11.8%

30-Day Supply Change

+48.7%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$5,145/ct

10th Percentile

$3,352

Median

$5,145

90th Percentile

$8,034

Score Distribution

69 diamonds scored across 5 quality tiers

Exceptional

2 (2.9%)

Excellent

16 (23.2%)

Very Good

22 (31.9%)

Good

10 (14.5%)

Average

19 (27.5%)

Find Your Diamond

Search 29 G IF radiant diamonds and compare prices.

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Consider Instead

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

H IFH colour is visually identical to G to the naked eye

Save 31%

G VVS1VVS1 inclusions are not visible without magnification

Save 6%

Lab-Grown G IFSame specifications, lab-grown origin

Save 89%

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