Radiant|Natural|IGI

0.51ct G IF Radiant Natural Diamond

EX • G/IF • IGI 815625591

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

Certificate IGI 815625591

Diamond specifications and retailer prices

From $495 USD
₹47,181 INR
As of November 2, 2026
Save $1,598 USD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,093 USD at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 815625591. Listed at 10 retailers as of October 30, 2026, with prices from $495 to $2,093, a $1,598 spread on the same certified stone. NZ Jewellers lists it at $2,093. 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
G
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle37.6°
OriginNatural
Grading LabIGI
CertificateIGI 815625591
Dimensions5.61 × 3.95 × 2.65 mm
L/W Ratio1.42
Top View
5.61 mm3.95 mm0.51 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815625591
Side View
Table 64.0%Crown 47.1°Girdle: Slightly ThickPavilion 37.6°Culet: NoneDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,093 USD|Low: $495 USD|High: $2,180 USD|Avg: $949 USD|-4.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 3$495 USD
Retailer 8$639 USD
Retailer 6$667 USD
Retailer 9$680 USD
Retailer 2$693 USD
Retailer 4$753 USD
Retailer 10$775 USD
Retailer 5$895 USD
Retailer 7$1,542 USD
NZ Jewellers$2,093 USD

24 data points across 10 retailers

10 retailers$495 USD to $2,093 USD

A
Cheapest Retailer
-
$495 USD
₹47,181 INR
A
Retailer 2
-
$639 USD
€609 EUR
View
A
Retailer 3
-
$667 USD
View
A
Retailer 4
-
$680 USD
View
A
Retailer 5
-
$693 USD
View
A
Retailer 6
-
$753 USD
£593 GBP
View
A
Retailer 7
-
$775 USD
View
A
Retailer 8
-
$895 USD
€852 EUR
View
B
Retailer 9
-
$1,542 USD
£1,214 GBP
View
Most Expensive
B
NZ Jewellers
5bf6edc4-74f0-4cb3-8d27-e8d8bb1b0a11 · Oct 30
$2,093 USD
View
9 more retailers have this diamond
Prices start from $495 USDSave up to $1,598 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.

A
0.51ct Radiant
$495 USD