How much does a 0.50 to 0.74ct I VVS1 lab grown round diamond cost?

As of October 2026, 0.50 to 0.74ct I VVS1 lab grown round diamonds typically cost €275 EUR to €1,122 EUR, with a median price of €554 EUR. There are currently 14 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS1 round diamond?

About 33% of these diamonds are available at multiple retailers, with an average price spread of 102%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct I VVS1 Lab Grown Round

Quick answer

As of October 2026, there are 14 lab grown round diamonds with I colour and VVS1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run €275 EUR to €1,122 EUR, with a median of €554 EUR. At least 33 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 102%. Half of all listings fall between €555 EUR and €1,389 EUR per carat. The same specification in natural form lists at a median of about €1,544 EUR per carat. Over the last 30 days the median price moved -42.5% and the number of listings moved -45.4%.

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 lab grown stones in the index: 414 USD per carat, -5.0% 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

€193 EUR

Highest Price

€2,617 EUR

Average Price

€690 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

32.9%

Price Spread

102.4%

30-Day Price Trend

-42.5%

30-Day Supply Change

-45.4%

Volatility (30d)

0.18

Price Range

Price per carat distribution across retailers

$906/ct

10th Percentile

$288

Median

$906

90th Percentile

$2,448

Score Distribution

32 diamonds scored across 4 quality tiers

Excellent

2 (6.3%)

Very Good

10 (31.3%)

Good

19 (59.4%)

Average

1 (3.1%)

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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