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Radiant|Natural|GIA

0.51ct F I1 Radiant Natural Diamond

F/I1 • GIA 2191781000

Shape and cutting style on the report: Cut cornered square modified brilliant

Certificate GIA 2191781000

Diamond specifications and retailer prices

From $1,356 SGD
$1,060 USD
As of November 2, 2026
Save $335 SGD (20%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,690 SGD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

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 I1 clarity (included) and certified by GIA 2191781000. Listed at 5 retailers as of October 27, 2026, with prices from $1,356 to $1,690, a $335 spread on the same certified stone. Wholesale Diamonds Direct lists it at $1,690. 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
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2191781000
Dimensions4.57 × 4.49 × 3.10 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
4.57 mm4.49 mm0.51 ctF / I1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2191781000
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,554 SGD|Low: $1,356 SGD|High: $1,690 SGD|Avg: $1,470 SGD|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Wholesale Diamonds Direct
November 2, 2026
Retailer 3$1,356 SGD
Retailer 4$1,356 SGD
Retailer 2$1,407 SGD
Retailer 1$1,554 SGD
Wholesale Diamonds Direct$1,690 SGD

16 data points across 5 retailers

5 retailers$1,356 SGD to $1,690 SGD

B
Cheapest Retailer
-
$1,356 SGD
$1,060 USD
B
Retailer 2
-
$1,356 SGD
$1,060 USD
View
C
Retailer 3
-
$1,407 SGD
$1,100 USD
View
C
Retailer 4
-
$1,554 SGD
€1,157 EUR
View
Most Expensive
C
Wholesale Diamonds Direct
107650411 · Oct 27
$1,690 SGD
$1,322 USD
View
4 more retailers have this diamond
Prices start from $1,356 SGDSave up to $335 SGD

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
$1,356 SGD