CaratHunter
Plans
Cushion|Natural|IGI

1.03ct J SI2 Cushion Natural Diamond

GD • J/SI2 • IGI 788644178

Shape and cutting style on the report: Cushion antique cut

Certificate IGI 788644178

Diamond specifications and retailer prices

From $1,506 SGD
As of November 6, 2026
Save $2,435 SGD (62%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,941 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural cushion diamond

This 1.03ct natural cushion sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI 788644178. Listed at 9 retailers as of November 5, 2026, with prices from $1,506 to $3,941, a $2,435 spread on the same certified stone. NZ Jewellers lists it at $3,941. 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

1.03
Carat
J
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle36.3°
Pavilion angle39.8°
OriginNatural
Grading LabIGI
CertificateIGI 788644178
Dimensions6.70 × 5.15 × 3.64 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeLarge
Top View
6.70 mm5.15 mm1.03 ctJ / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 788644178
Side View
Table 51.0%Crown 36.3°Girdle: THK-ETKPavilion 39.8°Culet: LargeDepth 70.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,941 SGD|Low: $1,366 SGD|High: $3,941 SGD|Avg: $2,066 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$1,506 SGD
Retailer 8$1,562 SGD
Retailer 6$1,616 SGD
Retailer 5$1,678 SGD
Retailer 9$1,697 SGD
Retailer 4$1,865 SGD
Retailer 3$2,248 SGD
Retailer 7$2,320 SGD
NZ Jewellers$3,941 SGD

19 data points across 9 retailers

9 retailers$1,506 SGD to $3,941 SGD

B+
Cheapest Retailer
-
$1,506 SGD
Final sale: no returns
B+
Retailer 2
-
$1,562 SGD
View
B+
Retailer 3
-
$1,616 SGD
View
B+
Retailer 4
-
$1,678 SGD
View
B+
Retailer 5
-
$1,697 SGD
View
B+
Retailer 6
-
$1,865 SGD
View
B
Retailer 7
-
$2,248 SGD
View
B
Retailer 8
-
$2,320 SGD
View
Most Expensive
C
NZ Jewellers
917ba01c-c227-4c62-88a6-571a47ca8e8e · Nov 5
$3,941 SGD
$3,075 USD
View
8 more retailers have this diamond
Prices start from $1,506 SGDSave up to $2,435 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.

B+
1.03ct Cushion
$1,506 SGD