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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, 78 of them, across 311,417 live listings.

Updated September 17, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

311,417

Retailers carrying

78

Median active price

SGD 3,997

Grade combinations

36

Certificate mix:GIA 250,648 · IGI 37,988 · HRD 7,115 · AGS 2

What it actually costs

Lower 10% SGD 2,225Median SGD 3,997Upper 10% SGD 7,951

Middle half sell between SGD 2,920 to SGD 5,657

Certificated stones with a live price only, 106,079 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

40%

Typical difference

SGD 1,308

Stones compared

61,750

Across 61,750 stones of this size and shape carried by more than one retailer, the dearest listing sits 40% above the cheapest for the identical certificated diamond, a typical gap of SGD 1,308. 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.

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.

Narrow it down by grade

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

H VS219,685 · 66rG VS217,686 · 67rG VS117,526 · 68rH VS116,483 · 66rI VS214,526 · 59rG VVS214,406 · 63rI VS113,219 · 56rF VS112,544 · 67rF VS212,339 · 65rH VVS211,949 · 62rD VS111,708 · 64rE VS211,532 · 69rE VS111,356 · 67rG VVS111,096 · 63rF VVS110,985 · 63rD VS210,698 · 61rD VVS19,949 · 64rD VVS29,895 · 61rE VVS19,762 · 66rF VVS29,607 · 66rE VVS29,089 · 64rI VVS29,077 · 53rH VVS18,605 · 61rI VVS17,889 · 55rD IF3,560 · 61rF IF3,294 · 60rG IF2,982 · 56rI IF2,943 · 53rE IF2,940 · 58rH IF2,688 · 58rD FL991 · 42rG FL108 · 25rE FL104 · 28rF FL92 · 26rH FL62 · 14rI FL42 · 13r

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 61,750 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 40%, about SGD 1,308.

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