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Cushion|Natural|GIA

1.05ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 2235390877

Certificate GIA 2235390877

Diamond specifications and retailer prices

From $1,761 SGD
$1,377 USD
As of November 1, 2026
Save $1,913 SGD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,674 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.05ct natural cushion diamond

This 1.05ct 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 2235390877. Listed at 12 retailers as of November 1, 2026, with prices from $1,761 to $3,674, a $1,913 spread on the same certified stone. MOH London lists it at $3,674. 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

1.05
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2235390877
Dimensions6.08 × 5.45 × 3.74 mm
L/W Ratio1.12
Girdle conditionFaceted
Top View
6.08 mm5.45 mm1.05 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2235390877
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 68.5%

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 1
Current: $3,674 SGD|Low: $1,767 SGD|High: $3,718 SGD|Avg: $2,458 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6$1,767 SGD
Retailer 5$1,900 SGD
Retailer 7$1,957 SGD
Retailer 3$2,350 SGD
Retailer 4$2,736 SGD
Retailer 2$2,863 SGD
MOH London$3,674 SGD

44 data points across 7 retailers

12 retailers$1,761 SGD to $3,674 SGD

A
Cheapest Retailer
-
$1,761 SGD
$1,377 USD
A
Retailer 2
-
$1,767 SGD
$1,382 USD
View
A
Retailer 3
-
$1,818 SGD
A$2,187 AUD
View
A
Retailer 4
-
$1,833 SGD
$1,433 USD
View
B+
Retailer 5
-
$1,900 SGD
$1,486 USD
View
B+
Retailer 6
-
$1,957 SGD
$1,530 USD
View
B+
Retailer 7
-
$2,002 SGD
$1,565 USD
View
B+
Retailer 8
-
$2,298 SGD
$1,797 USD
View
B+
Retailer 9
-
$2,350 SGD
£1,447 GBP
View
Retailer 10
-
$2,736 SGD
A$3,292 AUD
View
Price last confirmed 28 days ago
B+
Retailer 11
-
$2,863 SGD
€2,132 EUR
View
Most Expensive
B
MOH London
FFDE4FBC7 · Nov 2
$3,674 SGD
£2,262 GBP
View
11 more retailers have this diamond
Prices start from $1,761 SGDSave up to $1,913 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
1.05ct Cushion
$1,761 SGD