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Cushion|Natural|GIA

1.00ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 1548357729

Certificate GIA 1548357729

Diamond specifications and retailer prices

From $1,324 SGD
As of November 6, 2026
Save $1,925 SGD (59%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,249 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548357729. Listed at 13 retailers as of November 4, 2026, with prices from $1,324 to $3,249, a $1,925 spread on the same certified stone. MOH London lists it at $3,249. 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

1.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1548357729
Dimensions7.44 × 5.05 × 3.42 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
7.44 mm5.05 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1548357729
Side View
Table 65.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 67.8%

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 6
Current: $3,249 SGD|Low: $1,268 SGD|High: $3,324 SGD|Avg: $1,968 SGD|-2.1%
MOH London
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
November 6, 2026
Retailer 2$1,324 SGD
Retailer 12$1,394 SGD
Retailer 13$1,648 SGD
Retailer 3$1,756 SGD
Retailer 4$1,779 SGD
Retailer 14$1,895 SGD
Retailer 10$1,910 SGD
Retailer 9$1,935 SGD
Retailer 5$1,958 SGD
Retailer 6$1,972 SGD
Retailer 8$2,170 SGD
Retailer 7$2,299 SGD
Retailer 11$2,320 SGD
MOH London$3,249 SGD

41 data points across 14 retailers

13 retailers$1,324 SGD to $3,249 SGD

A
Cheapest Retailer
-
$1,324 SGD
A
Retailer 2
-
$1,394 SGD
View
Final sale: no returns
B+
Retailer 3
-
$1,648 SGD
View
Retailer 4
-
$1,779 SGD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$1,895 SGD
View
B+
Retailer 6
-
$1,910 SGD
View
Retailer 7
-
$1,935 SGD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$1,958 SGD
View
B+
Retailer 9
-
$1,972 SGD
View
B+
Retailer 10
-
$2,170 SGD
View
B+
Retailer 11
-
$2,299 SGD
View
Retailer 12
-
$2,320 SGD
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
1B1A84F62 · Nov 4
$3,249 SGD
£1,996 GBP
View
12 more retailers have this diamond
Prices start from $1,324 SGDSave up to $1,925 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
1.00ct Cushion
$1,324 SGD