How much does a 0.75 to 0.99ct I VS1 natural radiant diamond cost?

As of October 2026, 0.75 to 0.99ct I VS1 natural radiant diamonds typically cost HK$8,294 HKD to HK$23,947 HKD, with a median price of HK$12,801 HKD. There are currently 102 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS1 radiant diamond?

About 31% of these diamonds are available at multiple retailers, with an average price spread of 65%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct I VS1 Natural Radiant

Quick answer

As of October 2026, there are 102 natural radiant diamonds with I colour and VS1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run HK$8,294 HKD to HK$23,947 HKD, with a median of HK$12,801 HKD. At least 58 retailers stock this exact specification, and 31% of the stones appear at more than one of them, with an average price spread of 65%. Half of all listings fall between HK$13,603 HKD and HK$25,197 HKD per carat. The same specification in lab grown form lists at a median of about HK$3,722 HKD per carat. Over the last 30 days the median price moved +1.1% and the number of listings moved +3.3%.

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

102

Lowest Price

HK$5,532 HKD

Highest Price

HK$53,691 HKD

Average Price

HK$14,769 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

30.6%

Price Spread

65.0%

30-Day Price Trend

+1.1%

30-Day Supply Change

+3.3%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,273/ct

10th Percentile

$1,415

Median

$2,273

90th Percentile

$4,082

Score Distribution

350 diamonds scored across 4 quality tiers

Excellent

55 (15.7%)

Very Good

73 (20.9%)

Good

93 (26.6%)

Average

129 (36.9%)

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Consider Instead

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

J VS1J colour is visually identical to I to the naked eye

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Lab-Grown I VS1Same 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