Radiant|Natural|GIA

0.51ct E SI1 Radiant Natural Diamond

VG • E/SI1 • GIA 7456368502

Certificate GIA 7456368502

Diamond specifications and retailer prices

From $982 USD
As of November 5, 2026
Save $1,044 USD (52%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,703 USD 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,703 USD|Low: $970 USD|High: $2,703 USD|Avg: $1,391 USD
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$970 USD
Retailer 5$982 USD
Retailer 6$994 USD
Retailer 14$1,004 USD
Retailer 15$1,004 USD
Retailer 11$1,043 USD
Retailer 12$1,158 USD
Retailer 2$1,250 USD
Retailer 8$1,353 USD
Retailer 3$1,388 USD
Retailer 7$1,432 USD
Retailer 9$1,543 USD
Retailer 10$1,710 USD
Retailer 13$2,026 USD
NZ Jewellers$2,703 USD

31 data points across 15 retailers

17 retailers$982 USD to $2,026 USD

Retailer 1
-
$970 USD
Price last confirmed 10 days ago
B
Retailer 2
-
$982 USD
View
B
Retailer 3
-
$994 USD
View
Retailer 4
-
$1,004 USD
View
Price last confirmed 9 days ago
B
Retailer 5
-
$1,004 USD
View
B
Retailer 6
-
$1,043 USD
View
B
Retailer 7
-
$1,100 USD
View
B
Retailer 8
-
$1,111 USD
View
B
Retailer 9
-
$1,158 USD
View
B
Retailer 10
-
$1,250 USD
View
B
Retailer 11
-
$1,353 USD
View
B
Retailer 12
-
$1,388 USD
View
Retailer 13
-
$1,432 USD
View
Price last confirmed 39 days ago
B
Retailer 14
-
$1,543 USD
View
B
Retailer 15
-
$1,710 USD
View
B
Retailer 16
-
$2,026 USD
View
Most Expensive
NZ Jewellers
dd414ce9-e5fe-4936-a423-9b08bc52fde9 · Nov 5
$2,703 USD
View
Price under review
16 more retailers have this diamond
Prices start from $982 USDSave up to $1,044 USD

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
$982 USD