CaratHunter
Plans

Carat Hunter · Where to buy diamonds

Where to buy a 0.75ct lab-grown radiant diamond

Every retailer in our index stocking this size and shape, 54 of them, across 21,087 live listings.

Updated September 19, 2026 · Independent. Zero affiliate revenue.

The market at this size and shape

Active listings

21,087

Retailers carrying

54

Median active price

NZ$642

Grade combinations

27

Certificate mix:IGI 20,562 · GCAL 67 · GIA 51 · HRD 1

What it actually costs

Lower 10% NZ$320Median NZ$642Upper 10% NZ$1,250

Middle half sell between NZ$408 to NZ$849

Certificated stones with a live price only, 4,880 of them. Each contributes its best available price.

The same stone, priced differently

Typical spread

209%

Typical difference

NZ$823

Stones compared

2,505

Across 2,505 stones of this size and shape carried by more than one retailer, the dearest listing sits 209% above the cheapest for the identical certificated diamond, a typical gap of NZ$823. 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.

1 of the 25 retailers ship to New Zealand. 24 do not.

Narrow it down by grade

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

D VVS24,235 · 44rD VS13,540 · 37rD VVS12,584 · 37rE VS12,095 · 33rE VVS21,772 · 33rE VVS11,263 · 36rD IF845 · 33rF VS1769 · 30rF VVS2760 · 35rE VS2546 · 30rD VS2447 · 26rF VS2426 · 27rG VS1340 · 26rG VVS2276 · 33rE IF229 · 32rG VS2204 · 28rF VVS1176 · 34rH VS1147 · 31rH VS2105 · 26rH VVS275 · 21rD FL64 · 20rF IF49 · 26rI VS135 · 16rI VVS235 · 17rG VVS119 · 15rH VVS118 · 10rI VS213 · 5r

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

  • Radiant: a rectangular brilliant cut that combines the emerald outline with round-style faceting.
  • Lab-grown: chemically identical to natural diamonds, typically 60% to 80% less than a comparable natural cohort.

Frequently asked

How much do retailers differ on the same diamond?

Across 2,505 identical stones carried by more than one retailer, the typical gap between the cheapest and dearest listing is 209%, about NZ$823.

Can I see retailers for one exact grade?

Yes. Each of the 27 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 0.75ct Lab Grown Radiant Diamonds | Carat Hunter