CaratHunter
Plans
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 $880 NZD
$495 USD
As of November 1, 2026
Save $2,110 NZD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,989 NZD 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 $880 to $2,989, a $2,110 spread on the same certified stone. NZ Jewellers lists it at $2,989. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,989 NZD|Low: $880 NZD|High: $3,068 NZD|Avg: $1,393 NZD|-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 6$880 NZD
Retailer 4$914 NZD
Retailer 7$953 NZD
Retailer 11$1,027 NZD
Retailer 12$1,027 NZD
Retailer 5$1,130 NZD
Retailer 2$1,282 NZD
Retailer 9$1,306 NZD
Retailer 3$1,452 NZD
Retailer 10$1,471 NZD
Retailer 8$2,198 NZD
NZ Jewellers$2,989 NZD

30 data points across 12 retailers

12 retailers$880 NZD to $2,989 NZD

A
Cheapest Retailer
-
$880 NZD
$495 USD
A
Retailer 2
-
$914 NZD
$514 USD
View
Final sale: no returns
A
Retailer 3
-
$953 NZD
$536 USD
View
A
Retailer 4
-
$1,027 NZD
$578 USD
View
A
Retailer 5
-
$1,027 NZD
$578 USD
View
B+
Retailer 6
-
$1,130 NZD
£501 GBP
View
B+
Retailer 7
-
$1,282 NZD
€687 EUR
View
B
Retailer 8
-
$1,306 NZD
$735 USD
View
B+
Retailer 9
-
$1,452 NZD
$817 USD
View
B+
Retailer 10
-
$1,471 NZD
ZAR 13,374 ZAR
View
B
Retailer 11
-
$2,198 NZD
£974 GBP
View
Most Expensive
B
NZ Jewellers
0f5c49ae-7748-4dfc-b3b5-53886f3852f4 · Oct 30
$2,989 NZD
$1,682 USD
View
11 more retailers have this diamond
Prices start from $880 NZDSave up to $2,110 NZD

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
$880 NZD