Radiant|Natural|IGI

0.51ct G VS1 Radiant Natural Diamond

VG • G/VS1 • IGI 754512531

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

Certificate IGI 754512531

Diamond specifications and retailer prices

From $433 USD
₹41,264 INR
As of October 28, 2026
Save $1,350 USD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,783 USD at NZ Jewellers · As of October 27, 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 754512531. Listed at 18 retailers as of October 27, 2026, with prices from $433 to $1,783, a $1,350 spread on the same certified stone. NZ Jewellers lists it at $1,783. 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 angle50.5°
Pavilion angle35.9°
OriginNatural
Grading LabIGI
CertificateIGI 754512531
Dimensions5.48 × 3.92 × 2.74 mm
L/W Ratio1.40
Top View
5.48 mm3.92 mm0.51 ctG / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 754512531
Side View
Table 67.0%Crown 50.5°Girdle: Slightly ThickPavilion 35.9°Culet: NoneDepth 69.9%

Caratlytics Score

How it works →
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: Oct 28
Current: $1,783 USD|Low: $431 USD|High: $1,783 USD|Avg: $817 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
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 12$433 USD
Retailer 8$524 USD
Retailer 5$525 USD
Retailer 9$569 USD
Retailer 3$612 USD
Retailer 4$612 USD
Retailer 15$645 USD
Retailer 7$656 USD
Retailer 2$664 USD
Retailer 17$700 USD
Retailer 14$713 USD
Retailer 13$714 USD
Retailer 6$831 USD
Retailer 11$843 USD
Retailer 16$876 USD
Retailer 10$1,250 USD
Retailer 18$1,316 USD
NZ Jewellers$1,783 USD

24 data points across 18 retailers

18 retailers$433 USD to $1,783 USD

A
Cheapest Retailer
-
$433 USD
₹41,264 INR
A
Retailer 2
-
$524 USD
View
Final sale: no returns
A
Retailer 3
-
$525 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$569 USD
View
A
Retailer 5
-
$612 USD
View
A
Retailer 6
-
$612 USD
View
A
Retailer 7
-
$645 USD
View
A
Retailer 8
-
$656 USD
View
A
Retailer 9
-
$664 USD
£523 GBP
View
A
Retailer 10
-
$700 USD
View
A
Retailer 11
-
$713 USD
£561 GBP
View
A
Retailer 12
-
$714 USD
£562 GBP
View
B+
Retailer 13
-
$831 USD
View
B+
Retailer 14
-
$843 USD
€803 EUR
View
B+
Retailer 15
-
$876 USD
ZAR 14,152 ZAR
View
B
Retailer 16
-
$1,250 USD
£984 GBP
View
B
Retailer 17
-
$1,316 USD
£1,036 GBP
View
Most Expensive
B
NZ Jewellers
3fb0fdc3-dba3-48b9-9968-4cf0e6e4c0fb · Oct 27
$1,783 USD
View
17 more retailers have this diamond
Prices start from $433 USDSave up to $1,350 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
$433 USD