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Cushion|Natural|HRD

1.09ct K SI1 Cushion Natural Diamond

EX • K/SI1 • HRD 190000008912

Shape and cutting style on the report: Cushion

Certificate HRD 190000008912

Diamond specifications and retailer prices

From $2,486 SGD
As of November 6, 2026
Save $1,386 SGD (36%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,872 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.09ct natural cushion diamond

This 1.09ct 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 HRD 190000008912. Listed at 3 retailers as of November 4, 2026, with prices from $2,486 to $3,872, a $1,386 spread on the same certified stone. MOH London lists it at $3,872. 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

1.09
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabHRD
CertificateHRD 190000008912
Dimensions6.33 × 5.42 × 3.81 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizeNone
Top View
6.33 mm5.42 mm1.09 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateHRD 190000008912
Side View
Table 64.0%CrownGirdle: Very ThickPavilionCulet: 0.0Depth 70.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,872 SGD|Low: $2,390 SGD|High: $3,929 SGD|Avg: $3,053 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$2,486 SGD
Retailer 2$2,814 SGD
MOH London$3,872 SGD

41 data points across 3 retailers

3 retailers$2,486 SGD to $3,872 SGD

B
Cheapest Retailer
-
$2,486 SGD
B
Retailer 2
-
$2,814 SGD
View
Most Expensive
B
MOH London
B76D592AA · Nov 4
$3,872 SGD
£2,379 GBP
View
2 more retailers have this diamond
Prices start from $2,486 SGDSave up to $1,386 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
1.09ct Cushion
$2,486 SGD