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Carat Hunter · Where to buy diamonds

Where to buy a 1ct natural round diamond

Every retailer in our index stocking this size and shape, 80 of them, across 326,388 live listings.

Updated September 20, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

326,388

Retailers carrying

80

Median active price

A$4,423

Grade combinations

36

Certificate mix:GIA 262,764 · IGI 40,251 · HRD 7,544 · AGS 2

What it actually costs

Lower 10% A$2,463Median A$4,423Upper 10% A$8,754

Middle half sell between A$3,237 to A$6,239

Certificated stones with a live price only, 111,175 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

49%

Typical difference

A$1,789

Stones compared

63,607

Across 63,607 stones of this size and shape carried by more than one retailer, the dearest listing sits 49% above the cheapest for the identical certificated diamond, a typical gap of A$1,789. That gap is what comparing before you buy avoids.

Every retailer that stocks this spec

Ranked by active inventory count. Selection is mechanical, not editorial.

  9. 9

    MOH London

    10,082 in stock
    United Kingdom
Show 15 more retailers

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified June 15, 2026.

3 of the 25 retailers ship to Australia. 22 do not.

Narrow it down by grade

Each combination below has its own page with the retailers that stock exactly that grade.

H VS220,749 · 67rG VS218,551 · 70rG VS118,322 · 70rH VS117,249 · 68rG VVS215,229 · 67rI VS215,147 · 61rI VS113,833 · 58rF VS113,105 · 70rF VS212,938 · 68rH VVS212,368 · 63rD VS112,202 · 66rE VS212,106 · 71rE VS111,971 · 69rG VVS111,639 · 65rF VVS111,526 · 66rD VS211,222 · 64rD VVS110,465 · 67rD VVS210,327 · 63rE VVS110,279 · 68rF VVS210,139 · 67rE VVS29,555 · 66rI VVS29,537 · 54rH VVS18,956 · 63rI VVS18,206 · 56rD IF3,719 · 62rF IF3,465 · 62rG IF3,141 · 58rE IF3,077 · 59rI IF3,054 · 54rH IF2,809 · 61rD FL1,071 · 43rG FL117 · 25rE FL106 · 29rF FL97 · 28rH FL65 · 15rI FL46 · 14r

Stones at this spec now

Live examples carried by more than one retailer, so the comparison is real. Prices shown in USD.

What this spec means

  • Round: the most common cut, with the highest light return per carat.
  • Natural: mined diamonds with the certification, provenance and resale profile traditional buyers expect.

Frequently asked

How much do retailers differ on the same diamond?

Across 63,607 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 49%, about A$1,789.

Can I see retailers for one exact grade?

Yes. Each of the 36 colour and clarity combinations above has its own page listing the retailers that stock exactly that grade.

Does Carat Hunter earn commission from these retailers?

No. We earn zero affiliate revenue from any retailer in our index.

How fresh is this data?

Live listings refresh daily. Static facts about each retailer refresh weekly.

How is the retailer ranking calculated?

Strictly by active inventory count for this exact spec. The retailer carrying the most stones at the spec ranks first. There is no editorial input, weighting or affiliate consideration.

Why do you not show per-retailer prices on this page?

Prices vary per stone, not per store. Click through to any matched diamond and you will see every retailer's price on the exact same physical stone, which is the meaningful comparison.

Where to Buy 1ct Natural Round Diamonds | Carat Hunter