How much does a 5.00ct+ I IF lab grown round diamond cost?

As of September 2026, 5.00ct+ I IF lab grown round diamonds typically cost $158,223 SGD to $158,223 SGD, with a median price of $158,223 SGD. There are currently 1 diamonds matching this specification available across retailers.

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

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5.00ct+ I IF Lab Grown Round

Quick answer

As of September 2026, there are 1 lab grown round diamonds with I colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $158,223 SGD to $158,223 SGD, with a median of $158,223 SGD. At least 18 retailers stock this exact specification. Half of all listings fall between $1,016 SGD and $3,120 SGD per carat. The same specification in natural form lists at a median of about $31,757 SGD per carat.

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

Lowest Price

$158,223 SGD

Highest Price

$158,223 SGD

Average Price

$158,223 SGD

Market Intelligence

Retailers Selling

Price Spread

141.5%

Price Range

Price per carat distribution across retailers

$1,169/ct

10th Percentile

$736

Median

$1,169

90th Percentile

$3,450

Score Distribution

1 diamonds scored across 1 quality tiers

Average

1 (100.0%)

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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