Carat Hunter · Where to buy diamonds
Where to buy a 1ct natural cushion diamond
Every retailer in our index stocking this size and shape, 69 of them, across 65,583 live listings.
Updated September 18, 2026 · Independent. Zero affiliate revenue.
The market at this size and shape
Active listings
65,583
Retailers carrying
69
Median active price
SGD 3,157
Grade combinations
31
What it actually costs
Middle half sell between SGD 2,204 to SGD 4,523
Certificated stones with a live price only, 20,934 of them. Each contributes its best available price.
The same stone, priced differently
Typical spread
41%
Typical difference
SGD 1,121
Stones compared
13,748
Across 13,748 stones of this size and shape carried by more than one retailer, the dearest listing sits 41% above the cheapest for the identical certificated diamond, a typical gap of SGD 1,121. 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.
- Germany·Founded 2011·100-day returnsVisit Yorxs
- United Kingdom·Founded 2005·30-day returnsVisit 77 Diamonds
- United States·Founded 2016Visit Rare Carat
- United States·Founded 2004·30-day returnsVisit B2C Jewels
- Australia·Founded 1996·30-day returnsVisit Jogia Diamonds
- United Kingdom·30-day returnsVisit Diamond Quarter
- United StatesVisit William & Sons Jewelers
- South Africa·Founded 2005·7-day returnsVisit Cape Diamonds
- United States·Founded 2010·30-day returnsVisit Allurez
- United Kingdom·Founded 2014·30-day returnsVisit Flawless Fine Jewelry
Show 15 more retailers
- United States·Founded 2002·30-day returnsVisit Brilliance
- United States·Founded 1999·30-day returnsVisit Blue Nile
- United States·Founded 1993·30-day returnsVisit Jared
- United Kingdom·Founded 2022·30-day returnsVisit Moon Ocean
- United States·Founded 1924·30-day returnsVisit Zales
- Australia·Founded 1986·30-day returnsVisit GS Diamonds
- United States·Founded 1999·30-day returnsVisit Adiamor
- United States·Founded 2016·40-day returnsVisit RockHer
- United States·Founded 1999·30-day returnsVisit Ritani
- United States·Founded 2005·30-day returnsVisit Brilliant Earth
- United States·Founded 1916·30-day returnsVisit Kay Jewelers
- Singapore·Founded 2015·30-day returnsVisit Fonder Diamond
- 23
GemTrove
1,309 in stockAU - Singapore·Founded 2013·14-day returnsVisit Michael Trio
- United States·Founded 1998·30-day returnsVisit DreamStone
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.
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
- Cushion: a softened-corner square or rectangle with a vintage feel.
- 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 13,748 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 41%, about SGD 1,121.
Can I see retailers for one exact grade?
Yes. Each of the 31 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.