How much does a 1.00 to 1.49ct I VVS1 lab grown round diamond cost?

As of October 2026, 1.00 to 1.49ct I VVS1 lab grown round diamonds typically cost $300 SGD to $2,118 SGD, with a median price of $452 SGD. There are currently 15 diamonds matching this specification available across retailers.

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

About 49% of these diamonds are available at multiple retailers, with an average price spread of 79%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct I VVS1 Lab Grown Round

Quick answer

As of October 2026, there are 15 lab grown round diamonds with I colour and VVS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $300 SGD to $2,118 SGD, with a median of $452 SGD. At least 35 retailers stock this exact specification, and 49% of the stones appear at more than one of them, with an average price spread of 79%. Half of all listings fall between $305 SGD and $767 SGD per carat. The same specification in natural form lists at a median of about $5,676 SGD per carat. Over the last 30 days the median price moved -2.1% and the number of listings moved +11.9%.

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

$199 SGD

Highest Price

$2,563 SGD

Average Price

$901 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

48.8%

Price Spread

79.1%

30-Day Price Trend

-2.1%

30-Day Supply Change

+11.9%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$455/ct

10th Percentile

$164

Median

$455

90th Percentile

$904

Score Distribution

19 diamonds scored across 4 quality tiers

Excellent

4 (21.1%)

Very Good

7 (36.8%)

Good

4 (21.1%)

Average

4 (21.1%)

Find Your Diamond

Search 15 I VVS1 round diamonds and compare prices.

Search Diamonds

Consider Instead

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

I VVS2VVS2 inclusions are not visible without magnification

Save 10%

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