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Carat Hunter · Where to buy diamonds

0.5ct · D · IF · Radiant · Lab-grown

Live snapshot of every retailer carrying this exact spec today.

Updated August 1, 2026 · Independent. Zero affiliate revenue.

Market at this spec

Active listings

1,046

Retailers carrying

32

Price range

SGD 61 to
SGD 2,520

Median active price

SGD 700

Certificate mix:IGI 1,034

Range and median are cohort statistics across every active listing at this spec. They are not per-retailer pricing claims.

Every retailer that stocks this spec

Ranked by active inventory count. Selection is mechanical, not editorial.

Show 15 more retailers
  2. 12

    William & Sons Jewelers

    37 in stock
    USA·IGI

Stock counts are updated daily. Founded, return window and shipping details are retailer-provided and were last verified June 15, 2026.

Explore all 1,046 stones in this cohort

How pricing is spread at this spec

For all 1,046 active listings at this spec, the price distribution looks like this:

  • Lowest active
    SGD 61
  • 10th percentile
    SGD 358
  • Median
    SGD 700
  • 75th percentile
    SGD 849
  • 90th percentile
    SGD 1,009
  • Highest active
    SGD 2,520

The 41.0x spread from lowest to highest active price is normal for cohorts at this spec. Differences reflect cert lab, cut quality, brand premium and inclusions visibility.

Cohort distribution only. No retailer named adjacent to a dollar figure in this section.

How to pick

Lowest price floor for the spec?

The cheapest active listings start around SGD 358. Use the explorer to sort by price.

Sort by price

Best cut quality for the spec?

488 of 1,046 active listings carry Excellent or Ideal across cut, polish and symmetry.

View top-cut subset

Want None or Faint fluorescence?

1,035 of 1,046 are graded None or Faint at this spec.

What this spec means

  • Radiant: a rectangular brilliant cut, combines emerald shape with round-style faceting.
  • D colour: absolutely colourless, the top grade.
  • IF clarity: internally flawless, no internal imperfections, surface marks only.
  • Lab-grown: chemically identical to natural diamonds, typically 60% to 80% less than a comparable natural cohort.

Compare the top retailers carrying this spec

Side-by-side facts for the two stores carrying the most 0.5ct D IF radiant lab grown diamonds.

Compare Taylor and Hart vs B2C Jewels

Related specs

Slightly larger carat

radiant-0-75ct-d-if-lab

One colour grade lower

radiant-0-5ct-e-if-lab

One clarity grade higher

radiant-0-5ct-d-fl-lab

One clarity grade lower

radiant-0-5ct-d-vvs1-lab

Same spec, natural

radiant-0-5ct-d-if-natural

Frequently asked

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.

Why is one retailer cheaper for the same certificate?

Markup and overhead vary by retailer. The same physical diamond can list at very different prices across stores. See our cross-retailer analysis for the structural reasons.

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 0.5ct D IF Radiant Lab Grown Diamonds | Carat Hunter