How much does a 0.50 to 0.74ct G SI2 natural marquise diamond cost?

As of October 2026, 0.50 to 0.74ct G SI2 natural marquise diamonds typically cost ₹50,923 INR to ₹1,35,212 INR, with a median price of ₹77,604 INR. There are currently 335 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI2 marquise diamond?

About 30% of these diamonds are available at multiple retailers, with an average price spread of 41%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct G SI2 Natural Marquise

Quick answer

As of October 2026, there are 335 natural marquise diamonds with G colour and SI2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run ₹50,923 INR to ₹1,35,212 INR, with a median of ₹77,604 INR. At least 55 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 41%. Half of all listings fall between ₹1,16,943 INR and ₹1,74,418 INR per carat. The same specification in lab grown form lists at a median of about ₹51,736 INR per carat. Over the last 30 days the median price moved -1.7% and the number of listings moved +7.3%.

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. Marquise natural stones in the index: 2,268 USD per carat, +10.8% 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

335

Lowest Price

₹25,918 INR

Highest Price

₹2,82,613 INR

Average Price

₹88,805 INR

Market Intelligence

Retailers Selling

Cross Retailer %

30.5%

Price Spread

40.6%

30-Day Price Trend

-1.7%

30-Day Supply Change

+7.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,486/ct

10th Percentile

$1,064

Median

$1,486

90th Percentile

$2,472

Score Distribution

904 diamonds scored across 4 quality tiers

Excellent

140 (15.5%)

Very Good

311 (34.4%)

Good

249 (27.5%)

Average

204 (22.6%)

Find Your Diamond

Search 335 G SI2 marquise diamonds and compare prices.

Search Diamonds

Consider Instead

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

H SI2H colour is visually identical to G to the naked eye

Save 10%

Lab-Grown G SI2Same specifications, lab-grown origin

Save 63%

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