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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 $622 SGD
As of November 1, 2026
Save $1,485 SGD (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,107 SGD 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 $622 to $2,107, a $1,485 spread on the same certified stone. NZ Jewellers lists it at $2,107. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,107 SGD|Low: $622 SGD|High: $2,172 SGD|Avg: $992 SGD|-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$622 SGD
Retailer 9$672 SGD
Retailer 4$674 SGD
Retailer 10$725 SGD
Retailer 3$728 SGD
Retailer 2$782 SGD
Retailer 6$901 SGD
Retailer 7$923 SGD
Retailer 8$1,006 SGD
Retailer 5$1,014 SGD
Retailer 12$1,553 SGD
NZ Jewellers$2,107 SGD

31 data points across 12 retailers

12 retailers$622 SGD to $2,107 SGD

A
Cheapest Retailer
-
$622 SGD
A
Retailer 2
-
$672 SGD
View
A
Retailer 3
-
$674 SGD
View
Final sale: no returns
A
Retailer 4
-
$725 SGD
View
Retailer 5
-
$728 SGD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$782 SGD
View
B+
Retailer 7
-
$901 SGD
View
B+
Retailer 8
-
$923 SGD
View
B+
Retailer 9
-
$1,006 SGD
View
B+
Retailer 10
-
$1,014 SGD
View
B
Retailer 11
-
$1,553 SGD
View
Most Expensive
B
NZ Jewellers
28b49dfb-86ec-4cdf-bc00-ca1aaf6698a9 · Nov 3
$2,107 SGD
$1,644 USD
View
11 more retailers have this diamond
Prices start from $622 SGDSave up to $1,485 SGD

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
$622 SGD