Carat Hunter · Where to buy diamonds
Where to buy a 1ct lab-grown heart diamond
Every retailer in our index stocking this size and shape, 58 of them, across 108,902 current listings.
Updated October 31, 2026 · Independent. Zero affiliate revenue.
The market at this size and shape
Active listings
108,902
Retailers carrying
58
Median confirmed price
€233
Grade combinations
29
What it actually costs
Half of these diamonds are listed between €178 and €375 (as of October 31, 2026).
Middle half listed between €178 to €375
Certificated stones with a recently confirmed price only, 13,083 of them. Each contributes its cheapest confirmed price.
The same stone, priced differently
Typical spread
248%
Typical difference
€654
Stones compared
10,209
Across 10,209 stones of this size and shape carried by more than one retailer, the dearest listing sits 248% above the cheapest for the identical certificated diamond, a typical gap of €654. 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 European UnionTerms not yet verifiedVisit 77 Diamonds
- United States·Founded 2018·30-day returnsTerms not yet verifiedVisit Loose Grown Diamond
- United States·21-day returns·Ships to European UnionTerms read on the retailer’s own site, September 2, 2026Visit Carbon Sparkle
- United KingdomTerms not yet verifiedVisit MOH London
- United States·Final sale: no returnsTerms read on the retailer’s own site, October 19, 2026Visit William & Sons Jewelers
- United States·Founded 1999·30-day returnsTerms not yet verifiedVisit Adiamor
- United States·Founded 2021·30-day returns·Ships to European UnionTerms not yet verifiedVisit Aurelinne
- New Zealand·Founded 2006·30-day returns·Ships to European UnionTerms read on the retailer’s own site, October 19, 2026Visit NZ Jewellers
- United States·Founded 2004·30-day returns·Ships to European UnionTerms read on the retailer’s own site, October 19, 2026Visit B2C Jewels
- United Kingdom·Founded 2013·90-day returns·Ships to European UnionTerms not yet verifiedVisit Taylor and Hart
Show 15 more retailers
- 11
The Perfect Carat
4,567 in stockUSTerms not yet verified - United States·Founded 2005·30-day returnsTerms not yet verifiedVisit Brilliant Earth
- Australia·Founded 2019·30-day returnsTerms not yet verifiedVisit Novita Diamonds
- United States·Founded 2019·30-day returns·Ships to European UnionTerms not yet verifiedVisit Friendly Diamonds
- South Africa·Founded 2005·7-day returns·Ships to European UnionTerms read on the retailer’s own site, June 15, 2026Visit Cape Diamonds
- United Kingdom·Founded 2022·30-day returns·Ships to European UnionTerms not yet verifiedVisit Moon Ocean
- Australia·Founded 2004·14-day returns·Ships to European UnionTerms not yet verifiedVisit MoiMoi Australia
- United States·30-day returns·Ships to European UnionTerms read on the retailer’s own site, September 2, 2026Visit Calavera New York
- United States·Founded 1915·30-day returnsTerms not yet verifiedVisit Helzberg Diamonds
- United States·Founded 2013·30-day returnsTerms not yet verifiedVisit With Clarity
- United Kingdom·Founded 2004·30-day returnsTerms not yet verifiedVisit Diamond Heaven
- AustraliaTerms not yet verifiedVisit Aida Diamonds
- United States·Founded 2013·30-day returns·Ships to European UnionTerms not yet verifiedVisit Reve Diamonds
- Germany·Founded 2011·100-day returns·Ships to European UnionTerms not yet verifiedVisit Yorxs
- United Kingdom·30-day returnsTerms not yet verifiedVisit Diamond Quarter
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.
13 of the 25 retailers ship to European Union. 12 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.
- 0.99ct D VVS2from $167 across 19 retailersAs of October 30, 2026
- 0.99ct D VVS2from $167 across 19 retailersAs of October 30, 2026
- 1.05ct D VS1from $236 across 8 retailersAs of October 30, 2026
- 1.03ct D VS1from $190 across 13 retailersAs of October 30, 2026
- 0.96ct E VVS2from $157 across 20 retailersAs of October 30, 2026
- 1.02ct E VVS2from $259 across 20 retailersAs of October 30, 2026
What this spec means
- Heart: a brilliant cut with a cleft and a pointed tip, classic and recognizable.
- Lab-grown: chemically identical to natural diamonds, typically at least 90% less than a comparable natural cohort from 1 carat up.
Frequently asked
How much do retailers differ on the same diamond?
Across 10,209 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 248%, about €654.
Can I see retailers for one exact grade?
Yes. Each of the 29 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.