Radiant|Natural|GIA

0.51ct D SI2 Radiant Natural Diamond

D/SI2

Diamond specifications and retailer prices

From $878 SGD

$687 USD

As of October 30, 2026

1 retailer carries this diamond

Only listing: $878 SGD at Diamonds Direct

Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.

View at Diamonds Direct

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included) and certified by GIA. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51

Carat

Colour

SI2

Clarity

Cut

Specifications

Cut

PolishExcellent

SymmetryVery Good

FluorescenceFaint

OriginNatural

Grading LabGIA

Dimensions5.15 × 4.08 × 2.77 mm

L/W Ratio1.26

Top View

OriginNatural

PolishExcellent

SymmetryVery Good

FluorescenceFaint

CertificateGIA

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

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Price History

Last verified: Oct 30

Current: $878 SGD|Low: $878 SGD|High: $2,504 SGD|Avg: $1,695 SGD|-5.1%

Diamonds Direct

Retailer 2

October 30, 2026

Diamonds Direct$878 SGD

Retailer 2$2,504 SGD

11 data points across 2 retailers

1 retailer

B+

Diamonds Direct

925307 · Oct 30

$878 SGD

$687 USD

View

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B+

0.51ct Radiant

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