Carat Hunter · Where to buy diamonds
Where to buy a 0.5ct natural heart diamond
Every retailer in our index stocking this size and shape, 62 of them, across 35,858 current listings.
Updated October 31, 2026 · Independent. Zero affiliate revenue.
The market at this size and shape
Active listings
35,858
Retailers carrying
62
Median confirmed price
$650
Grade combinations
30
What it actually costs
Half of these diamonds are listed between $508 and $915 (as of October 31, 2026).
Middle half listed between $508 to $915
Certificated stones with a recently confirmed price only, 9,481 of them. Each contributes its cheapest confirmed price.
The same stone, priced differently
Typical spread
26%
Typical difference
$131
Stones compared
5,561
Across 5,561 stones of this size and shape carried by more than one retailer, the dearest listing sits 26% above the cheapest for the identical certificated diamond, a typical gap of $131. 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.
- United Kingdom·Founded 2005·30-day returns·Ships to United StatesTerms not yet verifiedVisit 77 Diamonds
- Australia·Founded 2004·14-day returns·Ships to United StatesTerms not yet verifiedVisit MoiMoi Australia
- Singapore·Founded 2015·30-day returnsTerms not yet verifiedVisit Fonder Diamond
- Singapore·Founded 2013·14-day returns·Ships to United StatesTerms not yet verifiedVisit Michael Trio
- United States·Final sale: no returns·Ships to United StatesTerms read on the retailer’s own site, October 19, 2026Visit William & Sons Jewelers
- Australia·Founded 1996·30-day returns·Ships to United StatesTerms not yet verifiedVisit Jogia Diamonds
- United States·Founded 2010·30-day returns·Ships to United StatesTerms not yet verifiedVisit Allurez
- United Kingdom·30-day returnsTerms not yet verifiedVisit Diamond Quarter
- New Zealand·Founded 2006·30-day returns·Ships to United StatesTerms read on the retailer’s own site, October 19, 2026Visit NZ Jewellers
- United States·Founded 2002·30-day returns·Ships to United StatesTerms not yet verifiedVisit Brilliance
Show 15 more retailers
- United States·Founded 1995·10-day returns·Ships to United StatesTerms read on the retailer’s own site, June 15, 2026Visit Diamonds Direct
- United States·Founded 2012·30-day returns·Ships to United StatesTerms not yet verifiedVisit Diamond Wish
- Malaysia·Founded 2015·Ships to United StatesTerms not yet verifiedVisit ZCOVA
- United KingdomTerms not yet verifiedVisit MOH London
- Hong Kong·Ships to United StatesTerms not yet verifiedVisit Ting Diamond
- United Kingdom·Founded 2004·30-day returnsTerms not yet verifiedVisit Diamond Heaven
- United States·Founded 2005·30-day returns·Ships to United StatesTerms not yet verifiedVisit Brilliant Earth
- United States·Founded 2021·30-day returns·Ships to United StatesTerms not yet verifiedVisit Aurelinne
- United Kingdom·Founded 2022·30-day returns·Ships to United StatesTerms not yet verifiedVisit Moon Ocean
- South Africa·Founded 2005·7-day returns·Ships to United StatesTerms read on the retailer’s own site, June 15, 2026Visit Cape Diamonds
- AustraliaTerms not yet verifiedVisit Torres Jewel Co
- United States·21-day returns·Ships to United StatesTerms read on the retailer’s own site, September 2, 2026Visit Carbon Sparkle
- Australia·Founded 2013Terms not yet verifiedVisit ADC Online
- 24
The Perfect Carat
485 in stockUSTerms not yet verified - United States·Founded 2016·40-day returns·Ships to United StatesTerms not yet verifiedVisit RockHer
Stock counts are updated daily. Founded and shipping details come from public sources. Return terms are our summary of each retailer's own policy page, dated per retailer above. Retailers change their terms, so check the retailer's own returns and shipping pages before you buy.
18 of the 25 retailers ship to United States. 7 do not.
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
Current examples carried by more than one retailer, so the comparison is real. Prices shown in USD.
- 0.52ct G VS2from $474 across 17 retailersAs of October 30, 2026
- 0.51ct G VS2from $500 across 17 retailersAs of October 30, 2026
- 0.55ct G VS1from $538 across 11 retailersAs of October 30, 2026
- 0.52ct G VS1from $549 across 6 retailersAs of October 30, 2026
- 0.55ct D VS1from $627 across 9 retailersAs of October 30, 2026
- 0.55ct D VS1from $763 across 6 retailersAs of October 30, 2026
What this spec means
- Heart: a brilliant cut with a cleft and a pointed tip, classic and recognizable.
- 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 5,561 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 26%, about $131.
Can I see retailers for one exact grade?
Yes. Each of the 30 color 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?
Listings refresh as we re-read each retailer, most of them every day. 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.