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Cushion|Natural|GIA

1.30ct J SI1 Cushion Natural Diamond

J/SI1 • GIA 1545424189

Certificate GIA 1545424189

Diamond specifications and retailer prices

From $3,986 SGD
As of November 7, 2026
Save $2,653 SGD (40%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,639 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 1545424189. Listed at 7 retailers as of November 4, 2026, with prices from $3,986 to $6,639, a $2,653 spread on the same certified stone. MOH London lists it at $6,639. 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

1.30
Carat
J
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545424189
Dimensions8.71 × 5.98 × 2.90 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Cavity
Top View
8.71 mm5.98 mm1.30 ctJ / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1545424189
Side View
Table 54.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 48.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: $6,639 SGD|Low: $3,510 SGD|High: $7,360 SGD|Avg: $4,557 SGD|-9.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 9$3,510 SGD
Retailer 8$3,924 SGD
Retailer 2$3,986 SGD
Retailer 6$3,997 SGD
Retailer 5$4,163 SGD
Retailer 7$4,286 SGD
Retailer 3$4,633 SGD
Retailer 10$4,719 SGD
Retailer 4$4,857 SGD
MOH London$6,639 SGD

37 data points across 10 retailers

7 retailers$3,986 SGD to $6,639 SGD

B
Cheapest Retailer
-
$3,986 SGD
Retailer 2
-
$3,997 SGD
View
Price last confirmed 9 days ago
B
Retailer 3
-
$4,163 SGD
View
Retailer 4
-
$4,286 SGD
View
Price last confirmed 34 days ago
B
Retailer 5
-
$4,633 SGD
View
B
Retailer 6
-
$4,857 SGD
View
Most Expensive
C
MOH London
D7D5E6E54 · Nov 4
$6,639 SGD
£4,079 GBP
View
6 more retailers have this diamond
Prices start from $3,986 SGDSave up to $2,653 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
1.30ct Cushion
$3,986 SGD