Radiant|Natural|GIA

0.51ct E IF Radiant Natural Diamond

ID • E/IF • GIA 5566403993

Certificate GIA 5566403993

Diamond specifications and retailer prices

From $883 AUD
$620 USD
As of October 31, 2026
Save $996 AUD (53%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,217 AUD at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566403993. Listed at 7 retailers as of October 31, 2026, with a 113% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
E
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle46.06°
Pavilion angle35.82°
OriginNatural
Grading LabGIA
CertificateGIA 5566403993
Dimensions5.78 × 3.98 × 2.61 mm
L/W Ratio1.45
Girdle conditionThick
Key to symbols
Minor Details of Polish
Top View
5.78 mm3.98 mm0.51 ctE / IF
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 5566403993
Side View
Table 70.0%Crown 46.06°GirdlePavilion 35.82°CuletDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,157 AUD|Low: $883 AUD|High: $1,911 AUD|Avg: $1,305 AUD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4$883 AUD
Retailer 1$1,157 AUD
Retailer 3$1,281 AUD
Retailer 2$1,878 AUD

26 data points across 4 retailers

7 retailers$883 AUD to $1,878 AUD

A
Cheapest Retailer
-
$883 AUD
$620 USD
Retailer 2
-
$1,026 AUD
$721 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$1,065 AUD
$748 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
$1,157 AUD
£640 GBP
View
A
Retailer 5
-
$1,281 AUD
$900 USD
View
B+
Retailer 6
-
$1,878 AUD
£1,039 GBP
View
Most Expensive
NZ Jewellers
14f5f320-9fd1-485d-b89e-36bc43aa4592 · Oct 3
$3,217 AUD
$2,260 USD
View
Price last confirmed 29 days ago
6 more retailers have this diamond
Prices start from $883 AUDSave up to $996 AUD

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.

A
0.51ct Radiant
$883 AUD