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Cushion|Natural|GIA

1.10ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 5156925640

Certificate GIA 5156925640

Diamond specifications and retailer prices

From $2,872 SGD
As of November 6, 2026
Save $3,446 SGD (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,318 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.1ct natural cushion diamond

This 1.1ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5156925640. Listed at 13 retailers as of November 4, 2026, with prices from $2,872 to $6,318, a $3,446 spread on the same certified stone. MOH London lists it at $6,318. 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

1.10
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5156925640
Dimensions6.63 × 5.54 × 3.55 mm
L/W Ratio1.20
Top View
6.63 mm5.54 mm1.10 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5156925640
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,318 SGD|Low: $2,872 SGD|High: $6,413 SGD|Avg: $3,919 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$2,872 SGD
Retailer 5$2,890 SGD
Retailer 6$3,242 SGD
Retailer 7$3,560 SGD
Retailer 3$3,805 SGD
Retailer 2$4,229 SGD
Retailer 4$4,414 SGD
MOH London$6,318 SGD

45 data points across 8 retailers

13 retailers$2,872 SGD to $6,318 SGD

B+
Cheapest Retailer
-
$2,872 SGD
Retailer 2
-
$2,890 SGD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$2,945 SGD
View
B+
Retailer 4
-
$2,960 SGD
View
B
Retailer 5
-
$3,090 SGD
View
B
Retailer 6
-
$3,160 SGD
View
B
Retailer 7
-
$3,242 SGD
View
B
Retailer 8
-
$3,553 SGD
View
B
Retailer 9
-
$3,560 SGD
View
B
Retailer 10
-
$3,805 SGD
View
B
Retailer 11
-
$4,229 SGD
View
B
Retailer 12
-
$4,414 SGD
View
Most Expensive
B
MOH London
239D0522F · Nov 4
$6,318 SGD
£3,882 GBP
View
12 more retailers have this diamond
Prices start from $2,872 SGDSave up to $3,446 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+
1.10ct Cushion
$2,872 SGD