Radiant|Natural|IGI

0.51ct J IF Radiant Natural Diamond

VG • J/IF • IGI 774682658

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

Certificate IGI 774682658

Diamond specifications and retailer prices

From $495 USD
As of November 1, 2026
Save $1,187 USD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,682 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 774682658. Listed at 12 retailers as of October 30, 2026, with prices from $495 to $1,682, a $1,187 spread on the same certified stone. NZ Jewellers lists it at $1,682. 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
J
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.3°
Pavilion angle36.5°
OriginNatural
Grading LabIGI
CertificateIGI 774682658
Dimensions5.71 × 3.97 × 2.71 mm
L/W Ratio1.44
Culet sizePointed
Top View
5.71 mm3.97 mm0.51 ctJ / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 774682658
Side View
Table 67.0%Crown 34.3°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 68.3%

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 1
Current: $1,682 USD|Low: $495 USD|High: $1,726 USD|Avg: $793 USD|-2.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 5$495 USD
Retailer 4$514 USD
Retailer 6$536 USD
Retailer 11$578 USD
Retailer 12$578 USD
Retailer 2$636 USD
Retailer 9$719 USD
Retailer 8$735 USD
Retailer 3$817 USD
Retailer 10$828 USD
Retailer 7$1,237 USD
NZ Jewellers$1,682 USD

30 data points across 12 retailers

12 retailers$495 USD to $1,682 USD

A
Cheapest Retailer
-
$495 USD
A
Retailer 2
-
$514 USD
View
Final sale: no returns
A
Retailer 3
-
$536 USD
View
A
Retailer 4
-
$578 USD
View
A
Retailer 5
-
$578 USD
View
B+
Retailer 6
-
$636 USD
£501 GBP
View
B+
Retailer 7
-
$719 USD
€685 EUR
View
B
Retailer 8
-
$735 USD
View
B+
Retailer 9
-
$817 USD
View
B+
Retailer 10
-
$828 USD
ZAR 13,374 ZAR
View
B
Retailer 11
-
$1,237 USD
£974 GBP
View
Most Expensive
B
NZ Jewellers
0f5c49ae-7748-4dfc-b3b5-53886f3852f4 · Oct 30
$1,682 USD
View
11 more retailers have this diamond
Prices start from $495 USDSave up to $1,187 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