Radiant|Natural|IGI

0.51ct G VS1 Radiant Natural Diamond

VG • G/VS1 • IGI 815625458

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

Certificate IGI 815625458

Diamond specifications and retailer prices

From $660 USD
£520 GBP
As of October 22, 2026
10 retailers carry this diamond
Most expensive: $1,783 USD at NZ Jewellers · As of October 21, 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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 815625458. Listed at 10 retailers as of October 22, 2026. 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
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.2°
Pavilion angle37°
OriginNatural
Grading LabIGI
CertificateIGI 815625458
Dimensions5.48 × 3.91 × 2.67 mm
L/W Ratio1.40
Top View
5.48 mm3.91 mm0.51 ctG / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815625458
Side View
Table 65.0%Crown 51.2°Girdle: MED-STKPavilion 37°Culet: NoneDepth 68.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 22
Current: $1,783 USD|Low: $419 USD|High: $2,001 USD|Avg: $824 USD|-10.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 22, 2026
Retailer 6$419 USD
Retailer 2$550 USD
Retailer 8$576 USD
Retailer 4$595 USD
Retailer 10$637 USD
Retailer 3$660 USD
Retailer 5$691 USD
Retailer 9$791 USD
Retailer 7$1,321 USD
NZ Jewellers$1,783 USD

15 data points across 10 retailers

10 retailers

A
Retailer 1
-
$419 USD
₹39,886 INR
Price last confirmed 7 days ago
Returns within 30 days
A
Retailer 2
-
$550 USD
€524 EUR
View
Price last confirmed 6 days ago
Returns within 14 days
A
Retailer 3
-
$576 USD
View
Price last confirmed 8 days ago
Returns within 21 days
A
Retailer 4
-
$595 USD
View
Price last confirmed 6 days ago
Returns within 40 days
A
Retailer 5
-
$637 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$660 USD
£520 GBP
View
Returns within 30 days
A
Retailer 7
-
$691 USD
View
Price last confirmed 7 days ago
Returns within 30 days
B+
Retailer 8
-
$791 USD
€753 EUR
View
Price last confirmed 11 days ago
Returns within 100 days
B
Retailer 9
-
$1,321 USD
£1,040 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
NZ Jewellers
17c2d0a3-677f-42a4-a58f-24c5e0248346 · Oct 21
$1,783 USD
View
Price last confirmed 8 days ago
Returns within 30 days
9 more retailers have this diamond
Prices start from $660 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
$660 USD