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Radiant|Natural|IGI

0.63ct J SI1 Radiant Natural Diamond

EX • J/SI1 • IGI 774682276

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

Certificate IGI 774682276

Diamond specifications and retailer prices

From $706 AUD
As of November 1, 2026
Save $1,687 AUD (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,393 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 0.63ct natural radiant diamond

This 0.63ct natural radiant sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 774682276. Listed at 12 retailers as of November 1, 2026, with prices from $706 to $2,393, a $1,687 spread on the same certified stone. NZ Jewellers lists it at $2,393. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.63
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.2°
Pavilion angle34°
OriginNatural
Grading LabIGI
CertificateIGI 774682276
Dimensions6.24 × 4.25 × 2.80 mm
L/W Ratio1.47
Culet sizePointed
Top View
6.24 mm4.25 mm0.63 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 774682276
Side View
Table 64.0%Crown 36.2°Girdle: MED-STKPavilion 34°Culet: NoneDepth 65.9%

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: $2,393 AUD|Low: $706 AUD|High: $2,467 AUD|Avg: $1,127 AUD|-3.0%
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 7, 2026
Retailer 11$706 AUD
Retailer 9$763 AUD
Retailer 4$766 AUD
Retailer 10$824 AUD
Retailer 3$827 AUD
Retailer 2$888 AUD
Retailer 6$1,023 AUD
Retailer 7$1,048 AUD
Retailer 8$1,142 AUD
Retailer 5$1,151 AUD
Retailer 12$1,764 AUD
NZ Jewellers$2,393 AUD

31 data points across 12 retailers

12 retailers$706 AUD to $2,393 AUD

A
Cheapest Retailer
-
$706 AUD
A
Retailer 2
-
$763 AUD
View
A
Retailer 3
-
$766 AUD
View
Final sale: no returns
A
Retailer 4
-
$824 AUD
View
Retailer 5
-
$827 AUD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$888 AUD
View
B+
Retailer 7
-
$1,023 AUD
View
B+
Retailer 8
-
$1,048 AUD
View
B+
Retailer 9
-
$1,142 AUD
View
B+
Retailer 10
-
$1,151 AUD
View
B
Retailer 11
-
$1,764 AUD
View
Most Expensive
B
NZ Jewellers
28b49dfb-86ec-4cdf-bc00-ca1aaf6698a9 · Nov 3
$2,393 AUD
$1,644 USD
View
11 more retailers have this diamond
Prices start from $706 AUDSave up to $1,687 AUD

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
0.63ct Radiant
$706 AUD