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Cushion|Natural|GIA

1.00ct I SI2 Cushion Natural Diamond

EX • I/SI2 • GIA 1226075838

Certificate GIA 1226075838

Diamond specifications and retailer prices

From $3,190 SGD
As of November 4, 2026
Save $3,747 SGD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,937 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 I 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 1226075838. Listed at 18 retailers as of November 4, 2026, with prices from $3,190 to $6,937, a $3,747 spread on the same certified stone. MOH London lists it at $6,937. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1226075838
Dimensions5.93 × 5.72 × 3.84 mm
L/W Ratio1.04
Culet sizeNone
Top View
5.93 mm5.72 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1226075838
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.1%

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 4
Current: $6,937 SGD|Low: $3,190 SGD|High: $7,040 SGD|Avg: $4,125 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$3,190 SGD
Retailer 7$3,259 SGD
Retailer 4$3,281 SGD
Retailer 8$3,538 SGD
Retailer 5$3,768 SGD
Retailer 6$4,068 SGD
Retailer 3$4,277 SGD
Retailer 2$4,564 SGD
MOH London$6,937 SGD

43 data points across 9 retailers

18 retailers$3,190 SGD to $6,937 SGD

B+
Cheapest Retailer
-
$3,190 SGD
B
Retailer 2
-
$3,259 SGD
View
B+
Retailer 3
-
$3,281 SGD
View
B
Retailer 4
-
$3,332 SGD
View
B
Retailer 5
-
$3,373 SGD
View
B+
Retailer 6
-
$3,481 SGD
View
B
Retailer 7
-
$3,538 SGD
View
Retailer 8
-
$3,768 SGD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$3,847 SGD
View
B
Retailer 10
-
$4,068 SGD
View
B
Retailer 11
-
$4,091 SGD
View
B
Retailer 12
-
$4,277 SGD
View
B
Retailer 13
-
$4,293 SGD
View
B
Retailer 14
-
$4,293 SGD
View
B
Retailer 15
-
$4,434 SGD
View
B
Retailer 16
-
$4,564 SGD
View
Retailer 17
-
$4,825 SGD
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
8A63291A6 · Nov 4
$6,937 SGD
£4,262 GBP
View
17 more retailers have this diamond
Prices start from $3,190 SGDSave up to $3,747 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+
1.00ct Cushion
$3,190 SGD