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Radiant|Natural|GIA

0.51ct E SI1 Radiant Natural Diamond

VG • E/SI1 • GIA 7456368502

Certificate GIA 7456368502

Diamond specifications and retailer prices

From $1,259 SGD
As of November 5, 2026
Save $1,338 SGD (52%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,464 SGD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 7456368502. Listed at 17 retailers as of November 4, 2026, with a 106% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7456368502
Dimensions5.99 × 4.39 × 2.30 mm
L/W Ratio1.36
Top View
5.99 mm4.39 mm0.51 ctE / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 7456368502
Side View
Table 64.0%CrownGirdle: Extremely ThinPavilionCulet: NoneDepth 52.4%

Caratlytics Score

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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 5
Current: $3,464 SGD|Low: $1,243 SGD|High: $3,464 SGD|Avg: $1,783 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 7, 2026
Retailer 4$1,243 SGD
Retailer 5$1,259 SGD
Retailer 6$1,274 SGD
Retailer 14$1,287 SGD
Retailer 15$1,287 SGD
Retailer 11$1,337 SGD
Retailer 12$1,484 SGD
Retailer 2$1,602 SGD
Retailer 8$1,734 SGD
Retailer 3$1,779 SGD
Retailer 7$1,835 SGD
Retailer 9$1,978 SGD
Retailer 10$2,192 SGD
Retailer 13$2,597 SGD
NZ Jewellers$3,464 SGD

31 data points across 15 retailers

17 retailers$1,259 SGD to $2,597 SGD

Retailer 1
-
$1,243 SGD
Price last confirmed 10 days ago
B
Retailer 2
-
$1,259 SGD
View
B
Retailer 3
-
$1,274 SGD
View
Retailer 4
-
$1,287 SGD
View
Price last confirmed 9 days ago
B
Retailer 5
-
$1,287 SGD
View
B
Retailer 6
-
$1,337 SGD
View
B
Retailer 7
-
$1,410 SGD
View
B
Retailer 8
-
$1,424 SGD
View
B
Retailer 9
-
$1,484 SGD
View
B
Retailer 10
-
$1,602 SGD
View
B
Retailer 11
-
$1,734 SGD
View
B
Retailer 12
-
$1,779 SGD
View
Retailer 13
-
$1,835 SGD
View
Price last confirmed 39 days ago
B
Retailer 14
-
$1,978 SGD
View
B
Retailer 15
-
$2,192 SGD
View
B
Retailer 16
-
$2,597 SGD
View
Most Expensive
NZ Jewellers
dd414ce9-e5fe-4936-a423-9b08bc52fde9 · Nov 5
$3,464 SGD
$2,703 USD
View
Price under review
16 more retailers have this diamond
Prices start from $1,259 SGDSave up to $1,338 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
$1,259 SGD