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Round|Natural|IGI

0.50ct J SI2 Round Natural Diamond

VG • J/SI2 • IGI 780660746

Shape and cutting style on the report: Round brilliant

Certificate IGI 780660746

Diamond specifications and retailer prices

From $580 NZD
As of November 4, 2026
Save $1,839 NZD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,419 NZD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 780660746. Listed at 15 retailers as of November 4, 2026, with prices from $580 to $2,419, a $1,839 spread on the same certified stone. NZ Jewellers lists it at $2,419. 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

0.50
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 780660746
Dimensions4.94 × 4.97 × 3.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
4.94 mm4.97 mm0.50 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 780660746
Side View
Table 53.0%Crown 36.9°Girdle: STK-THKPavilion 40°Culet: NoneDepth 64.6%

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 4
Current: $2,419 NZD|Low: $411 NZD|High: $2,419 NZD|Avg: $894 NZD
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
November 6, 2026
Retailer 8$414 NZD
Retailer 3$580 NZD
Retailer 14$632 NZD
Retailer 10$649 NZD
Retailer 4$680 NZD
Retailer 2$687 NZD
Retailer 15$704 NZD
Retailer 9$847 NZD
Retailer 13$850 NZD
Retailer 5$859 NZD
Retailer 16$863 NZD
Retailer 6$886 NZD
Retailer 7$980 NZD
Retailer 12$1,051 NZD
Retailer 11$1,453 NZD
NZ Jewellers$2,419 NZD

36 data points across 16 retailers

15 retailers$580 NZD to $2,419 NZD

A
Cheapest Retailer
-
$580 NZD
Final sale: no returns
B+
Retailer 2
-
$632 NZD
View
B+
Retailer 3
-
$649 NZD
View
Retailer 4
-
$680 NZD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$687 NZD
View
B+
Retailer 6
-
$704 NZD
View
B+
Retailer 7
-
$847 NZD
View
B+
Retailer 8
-
$850 NZD
View
B+
Retailer 9
-
$859 NZD
View
B+
Retailer 10
-
$863 NZD
View
B+
Retailer 11
-
$886 NZD
View
B+
Retailer 12
-
$980 NZD
View
B+
Retailer 13
-
$1,051 NZD
View
B
Retailer 14
-
$1,453 NZD
View
Most Expensive
C
NZ Jewellers
788cd431-7ee0-4fa1-8323-aa881501d9a8 · Nov 4
$2,419 NZD
$1,360 USD
View
14 more retailers have this diamond
Prices start from $580 NZDSave up to $1,839 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
0.50ct Round
$580 NZD