How much does a 0.75 to 0.99ct I VS1 lab grown emerald diamond cost?

As of October 2026, 0.75 to 0.99ct I VS1 lab grown emerald diamonds typically cost $319 NZD to $1,246 NZD, with a median price of $833 NZD. There are currently 43 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 103%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct I VS1 Lab Grown Emerald

Quick answer

As of October 2026, there are 43 lab grown emerald diamonds with I colour and VS1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $319 NZD to $1,246 NZD, with a median of $833 NZD. At least 41 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 103%. Half of all listings fall between $574 NZD and $1,691 NZD per carat. The same specification in natural form lists at a median of about $3,408 NZD per carat. Over the last 30 days the median price moved +2.8% and the number of listings moved -0.0%.

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. Emerald lab grown stones in the index: 451 USD per carat, -8.3% 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

$178 NZD

Highest Price

$4,506 NZD

Average Price

$839 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

39.3%

Price Spread

103.4%

30-Day Price Trend

+2.8%

30-Day Supply Change

-0.0%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$607/ct

10th Percentile

$212

Median

$607

90th Percentile

$1,446

Score Distribution

62 diamonds scored across 4 quality tiers

Excellent

13 (21.0%)

Very Good

19 (30.6%)

Good

22 (35.5%)

Average

8 (12.9%)

Find Your Diamond

Search 43 I VS1 emerald 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