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Radiant|Natural|GIA

0.51ct F SI1 Radiant Natural Diamond

GD • F/SI1 • GIA 5543574901

Certificate GIA 5543574901

Diamond specifications and retailer prices

From $640 CAD
$458 USD
As of November 2, 2026
Save $56 CAD (8%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $696 CAD at Michael Trio · As of November 2, 2026
View at Michael Trio

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 5543574901. Listed at 2 retailers as of November 2, 2026, with a relatively tight 9% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
F
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5543574901
Dimensions5.17 × 4.08 × 2.68 mm
L/W Ratio1.27
Top View
5.17 mm4.08 mm0.51 ctF / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5543574901
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $696 CAD|Low: $562 CAD|High: $1,135 CAD|Avg: $826 CAD|-5.6%
Michael Trio
Retailer 2
Retailer 3
October 17, 2026
Retailer 2$640 CAD
Michael Trio$696 CAD
Retailer 3$1,135 CAD

4 data points across 3 retailers

2 retailers$640 CAD to $696 CAD

B+
Cheapest Retailer
-
$640 CAD
$458 USD
Final sale: no returns
Most Expensive
B+
Michael Trio
2038956710 · Nov 2
$696 CAD
SGD 673 SGD
View
1 more retailer has this diamond
Prices start from $640 CADSave up to $56 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
0.51ct Radiant
$640 CAD