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Cushion|Natural|GIA

1.00ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 1565218767

Certificate GIA 1565218767

Diamond specifications and retailer prices

From $1,538 SGD
As of November 6, 2026
Save $2,062 SGD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,600 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 G 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 1565218767. Listed at 18 retailers as of November 4, 2026, with prices from $1,538 to $3,600, a $2,062 spread on the same certified stone. MOH London lists it at $3,600. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565218767
Dimensions6.80 × 5.07 × 3.50 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural, Needle, Natural
Top View
6.80 mm5.07 mm1.00 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1565218767
Side View
Table 55.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 69.1%

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: $3,600 SGD|Low: $1,538 SGD|High: $3,630 SGD|Avg: $2,247 SGD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 5$1,538 SGD
Retailer 11$1,762 SGD
Retailer 4$1,790 SGD
Retailer 12$1,951 SGD
Retailer 6$1,998 SGD
Retailer 2$2,038 SGD
Retailer 3$2,052 SGD
Retailer 8$2,285 SGD
Retailer 10$2,298 SGD
Retailer 9$2,514 SGD
Retailer 7$2,799 SGD
MOH London$3,600 SGD

22 data points across 12 retailers

18 retailers$1,538 SGD to $3,600 SGD

A
Cheapest Retailer
-
$1,538 SGD
A
Retailer 2
-
$1,762 SGD
View
A
Retailer 3
-
$1,790 SGD
View
A
Retailer 4
-
$1,844 SGD
View
A
Retailer 5
-
$1,902 SGD
View
Final sale: no returns
A
Retailer 6
-
$1,951 SGD
View
A
Retailer 7
-
$1,998 SGD
View
A
Retailer 8
-
$2,038 SGD
View
A
Retailer 9
-
$2,052 SGD
View
Retailer 10
-
$2,061 SGD
View
Price last confirmed 30 days ago
A
Retailer 11
-
$2,159 SGD
View
A
Retailer 12
-
$2,235 SGD
View
A
Retailer 13
-
$2,285 SGD
View
A
Retailer 14
-
$2,298 SGD
View
A
Retailer 15
-
$2,514 SGD
View
Retailer 16
-
$2,786 SGD
View
Price last confirmed 33 days ago
B+
Retailer 17
-
$2,799 SGD
View
Most Expensive
B+
MOH London
DCBAC214F · Nov 4
$3,600 SGD
£2,212 GBP
View
17 more retailers have this diamond
Prices start from $1,538 SGDSave up to $2,062 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
$1,538 SGD