How much does a 1.00 to 1.49ct natural round diamond cost?

As of September 2026, 1.00 to 1.49ct natural round diamonds range from $334 SGD/ct to $21,640 SGD/ct, with an average of $5,067 SGD/ct.

What is the price range for 1.00 to 1.49ct natural round diamonds?

As of September 2026, the lowest listed price is $334 SGD per carat and the highest is $21,640 SGD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

How many 1.00 to 1.49ct natural round diamonds are available?

There are 888,766 active natural round listings between 1.00 to 1.49ct across 100+ retailers in the Carat Hunter index, refreshed daily.

How much can I save by comparing retailers for a 1.00 to 1.49ct natural round diamond?

Approximately 34% of these diamonds are available at multiple retailers, with an average price spread of 43% between the cheapest and most expensive listing of the same stone.

Natural Round Diamonds, 1.00 to 1.49ct

Quick answer

As of September 2026, there are 888,766 natural round diamonds between 1.00 to 1.49ct listed by at least 71 retailers. A typical stone in this range costs about $6,080 SGD in total, or $5,067 SGD per carat, and most listings sit between $334 SGD and $21,640 SGD per carat. About 34% of these stones are listed by more than one retailer, and the same stone is priced 43% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is H to I SI1 at $4,096 SGD per carat across 49,210 listings. The same shape in lab grown form runs about $1,653 SGD per carat, roughly 67% less.

Three of the best scored stones at this specification right now:

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 natural stones in the index: 2,094 USD per carat, -3.8% 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

Browse 888,766 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$12K	$10K	$8,725	$7,234	$6,587	$5,818	$4,145	$3,179	$2,967
F-G	$8,736	$7,102	$6,486	$5,831	$5,373	$4,756	$3,672	$2,769	$2,327
H-I	$8,573	$4,434	$4,223	$4,073	$3,867	$3,698	$3,072	$2,530	$2,222
J-K	$7,726	$3,206	$3,092	$2,851	$2,636	$2,523	$2,231	$1,990	$1,842
L-M	$2,547	$2,386	$2,283	$2,169	$2,084	$1,907	$1,661	$1,563	$1,372
N+	-	$2,028	$2,075	$1,643	$1,729	$1,821	$1,764	$1,586	$1,096

Price by Colour & Clarity

Average price per carat for 1.00 to 1.49ct natural round diamonds by colour and clarity grade.

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	3,619	$16,547 SGD	23%
D-E	I	5,748	$3,956 SGD	47%
D-E	IF	10,806	$13,647 SGD	37%
D-E	SI1	30,720	$5,527 SGD	36%
D-E	SI2	27,782	$4,239 SGD	40%
D-E	VS1	31,812	$8,782 SGD	34%
D-E	VS2	28,378	$7,758 SGD	37%
D-E	VVS1	30,334	$11,634 SGD	32%
D-E	VVS2	27,436	$9,645 SGD	33%
D-E	other	12	$3,742 SGD	61%
F-G	FL	493	$11,648 SGD	31%
F-G	I	11,318	$3,103 SGD	52%
F-G	IF	11,361	$9,469 SGD	36%
F-G	SI1	41,149	$4,896 SGD	32%
F-G	SI2	43,009	$3,692 SGD	39%
F-G	VS1	44,524	$7,164 SGD	37%
F-G	VS2	42,139	$6,341 SGD	31%
F-G	VVS1	33,176	$8,648 SGD	39%
F-G	VVS2	35,259	$7,775 SGD	34%
F-G	other	22	$4,187 SGD	48%
H-I	FL	376	$11,431 SGD	42%
H-I	I	8,251	$2,963 SGD	43%
H-I	IF	10,332	$5,912 SGD	40%
H-I	SI1	49,210	$4,096 SGD	30%
H-I	SI2	38,884	$3,373 SGD	37%
H-I	VS1	49,277	$5,157 SGD	34%
H-I	VS2	55,693	$4,931 SGD	34%
H-I	VVS1	27,022	$5,631 SGD	37%
H-I	VVS2	33,347	$5,430 SGD	34%
H-I	other	11	$4,004 SGD	57%
J-K	FL	102	$10,301 SGD	136%
J-K	I	6,033	$2,456 SGD	44%
J-K	IF	5,759	$4,275 SGD	40%
J-K	SI1	20,752	$2,974 SGD	35%
J-K	SI2	19,209	$2,653 SGD	38%
J-K	VS1	19,297	$3,515 SGD	37%
J-K	VS2	19,274	$3,364 SGD	39%
J-K	VVS1	11,862	$4,123 SGD	40%
J-K	VVS2	15,056	$3,802 SGD	37%
L-M	FL	25	$3,396 SGD	14%
L-M	I	1,626	$1,830 SGD	49%
L-M	IF	1,544	$3,181 SGD	33%
L-M	SI1	5,184	$2,215 SGD	34%
L-M	SI2	4,809	$2,084 SGD	43%
L-M	VS1	4,771	$2,779 SGD	33%
L-M	VS2	4,815	$2,543 SGD	33%
L-M	VVS1	3,047	$3,044 SGD	31%
L-M	VVS2	3,653	$2,891 SGD	31%
N+	I	1,341	$1,461 SGD	137%
N+	IF	79	$2,704 SGD	26%
N+	SI1	1,340	$2,352 SGD	79%
N+	SI2	1,315	$2,115 SGD	76%
N+	VS1	1,172	$2,305 SGD	76%
N+	VS2	1,265	$2,428 SGD	67%
N+	VVS1	595	$2,767 SGD	29%
N+	VVS2	3,073	$2,191 SGD	56%
N+	other	268	$2,111 SGD	27%

Explore by Specification

D FL D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 D SI2 E FL E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 E SI2 F FL F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 F SI2 G FL G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 G SI2 H FL H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 H SI2 I FL I IF I VVS1 I VVS2 I VS1 I VS2 I SI1 I SI2 J FL J IF J VVS1 J VVS2 J VS1 J VS2 J SI1 J SI2