Radiant|Natural|IGI

0.51ct H VS1 Radiant Natural Diamond

VG • H/VS1 • IGI 780655826

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

Certificate IGI 780655826

Diamond specifications and retailer prices

From $325 USD
As of November 5, 2026
Save $1,329 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,654 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 780655826. Listed at 15 retailers as of November 5, 2026, with prices from $325 to $1,654, a $1,329 spread on the same certified stone. NZ Jewellers lists it at $1,654. 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
H
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.3°
Pavilion angle33.3°
OriginNatural
Grading LabIGI
CertificateIGI 780655826
Dimensions5.33 × 3.99 × 2.69 mm
L/W Ratio1.34
Culet sizePointed
Top View
5.33 mm3.99 mm0.51 ctH / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 780655826
Side View
Table 67.0%Crown 38.3°Girdle: STK-THKPavilion 33.3°Culet: NoneDepth 67.4%

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: Nov 5
Current: $498 USD|Low: $325 USD|High: $1,007 USD|Avg: $568 USD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2$325 USD
Retailer 9$465 USD
Retailer 8$495 USD
Retailer 1$498 USD
Retailer 7$540 USD
Retailer 3$550 USD
Retailer 6$653 USD
Retailer 4$669 USD
Retailer 5$995 USD

27 data points across 9 retailers

15 retailers$325 USD to $1,654 USD

A
Cheapest Retailer
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$325 USD
A
Retailer 2
-
$432 USD
View
Retailer 3
-
$465 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$465 USD
View
A
Retailer 5
-
$495 USD
View
A
Retailer 6
-
$498 USD
View
A
Retailer 7
-
$498 USD
View
A
Retailer 8
-
$540 USD
View
A
Retailer 9
-
$550 USD
View
A
Retailer 10
-
$562 USD
View
A
Retailer 11
-
$653 USD
View
B+
Retailer 12
-
$669 USD
View
B
Retailer 13
-
$960 USD
View
B+
Retailer 14
-
$995 USD
View
Most Expensive
B
NZ Jewellers
5aca1e0d-214e-4b5b-ac49-095402fe6509 · Nov 5
$1,654 USD
View
14 more retailers have this diamond
Prices start from $325 USDSave up to $1,329 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
$325 USD