1.00 - 1.49ct I SI1 Lab Grown Asscher

As of April 2026, there are 74 lab grown asscher diamonds with I color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from £255 GBP to £7,585 GBP, with an average of £1,375 GBP.

Last updated: April 2026

Available
74
Lowest Price
£255 GBP
Highest Price
£7,585 GBP
Average Price
£1,375 GBP

Market Intelligence

Retailers Selling
18
Cross Retailer %
N/A
Price Spread
25.1%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A

Price Range

Price per carat distribution across retailers

$1,231/ct
10th Percentile
$1,009
Median
$1,231
90th Percentile
$1,799

Score Distribution

74 diamonds scored across 4 quality tiers

Excellent
18 (24.3%)
Very Good
33 (44.6%)
Good
9 (12.2%)
Average
14 (18.9%)

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Consider Instead

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

J SI1J colour is visually identical to I to the naked eye
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I SI2SI2 inclusions are not visible without magnification
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Related Specifications

D IFD VVS1D VVS2D VS1D VS2D SI1E IFE VVS1E VVS2E VS1E VS2E SI1F IFF VVS1F VVS2F VS1F VS2F SI1G IFG VVS1G VVS2G VS1G VS2G SI1H IFH VVS1H VVS2H VS1H VS2H SI1I IFI VVS1I VVS2I VS1I VS2I SI1