How much does a 1.00 to 1.49ct I VS1 lab grown round diamond cost?

As of September 2026, 1.00 to 1.49ct I VS1 lab grown round diamonds typically cost HK$2,385 HKD to HK$24,077 HKD, with a median price of HK$10,046 HKD. There are currently 651 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

1.00 to 1.49ct I VS1 Lab Grown Round

Quick answer

As of September 2026, there are 651 lab grown round diamonds with I colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run HK$2,385 HKD to HK$24,077 HKD, with a median of HK$10,046 HKD. At least 42 retailers stock this exact specification. Half of all listings fall between HK$2,718 HKD and HK$29,263 HKD per carat. The same specification in natural form lists at a median of about HK$29,818 HKD 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. Round lab grown stones in the index: 438 USD per carat, -14.1% 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

651

Lowest Price

HK$962 HKD

Highest Price

HK$94,207 HKD

Average Price

HK$12,555 HKD

Market Intelligence

Retailers Selling

Price Spread

571.3%

Price Range

Price per carat distribution across retailers

$604/ct

10th Percentile

$247

Median

$604

90th Percentile

$5,893

Score Distribution

651 diamonds scored across 4 quality tiers

Excellent

57 (8.8%)

Very Good

175 (26.9%)

Good

289 (44.4%)

Average

130 (20.0%)

Find Your Diamond

Search 651 I VS1 round diamonds and compare prices.

Search Diamonds

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