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Cushion|Natural|GIA

1.00ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 1508655786

Certificate GIA 1508655786

Diamond specifications and retailer prices

From $1,464 SGD
As of November 6, 2026
Save $587 SGD (29%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,922 SGD at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1508655786. Listed at 11 retailers as of November 6, 2026, with a 40% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1508655786
Dimensions5.53 × 5.38 × 4.03 mm
L/W Ratio1.03
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
5.53 mm5.38 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1508655786
Side View
Table 59.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 75.0%

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: $2,922 SGD|Low: $1,342 SGD|High: $3,329 SGD|Avg: $1,914 SGD|-12.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$1,464 SGD
Retailer 7$1,520 SGD
Retailer 2$1,580 SGD
Retailer 5$1,587 SGD
Retailer 10$1,607 SGD
Retailer 8$1,758 SGD
Retailer 4$1,793 SGD
Retailer 9$1,934 SGD
Retailer 3$2,051 SGD
MOH London$2,922 SGD

42 data points across 10 retailers

11 retailers$1,464 SGD to $2,051 SGD

A
Cheapest Retailer
-
$1,464 SGD
Final sale: no returns
A
Retailer 2
-
$1,520 SGD
View
A
Retailer 3
-
$1,580 SGD
View
Retailer 4
-
$1,587 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,607 SGD
View
B+
Retailer 6
-
$1,758 SGD
View
B+
Retailer 7
-
$1,793 SGD
View
B+
Retailer 8
-
$1,934 SGD
View
B+
Retailer 9
-
$1,972 SGD
View
B+
Retailer 10
-
$2,051 SGD
View
Most Expensive
MOH London
C03E2AA9D · Oct 29
$2,922 SGD
£1,795 GBP
View
Price last confirmed 8 days ago
10 more retailers have this diamond
Prices start from $1,464 SGDSave up to $587 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
$1,464 SGD