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Cushion|Natural|GIA

1.81ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6475646979

Certificate GIA 6475646979

Diamond specifications and retailer prices

From $7,631 CAD
As of November 4, 2026
Save $6,562 CAD (46%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $14,193 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.81ct natural cushion diamond

This 1.81ct natural cushion sits in the one-and-a-half to two 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 6475646979. Listed at 9 retailers as of November 4, 2026, with prices from $7,631 to $14,193, a $6,562 spread on the same certified stone. MOH London lists it at $14,193. 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

1.81
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6475646979
Dimensions7.95 × 6.28 × 4.30 mm
L/W Ratio1.27
Top View
7.95 mm6.28 mm1.81 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 6475646979
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 68.5%

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 4
Current: $14,193 CAD|Low: $7,631 CAD|High: $14,402 CAD|Avg: $10,596 CAD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$7,631 CAD
Retailer 4$9,172 CAD
Retailer 2$9,371 CAD
Retailer 7$9,997 CAD
Retailer 3$10,496 CAD
Retailer 8$10,648 CAD
Retailer 5$11,786 CAD
MOH London$14,193 CAD

34 data points across 8 retailers

9 retailers$7,631 CAD to $14,193 CAD

B
Cheapest Retailer
-
$7,631 CAD
B
Retailer 2
-
$8,624 CAD
View
B
Retailer 3
-
$9,172 CAD
View
B
Retailer 4
-
$9,371 CAD
View
B
Retailer 5
-
$9,997 CAD
View
B
Retailer 6
-
$10,496 CAD
View
Retailer 7
-
$10,648 CAD
View
Price last confirmed 14 days ago
B
Retailer 8
-
$11,786 CAD
View
Most Expensive
B
MOH London
FADBF7DBF · Nov 4
$14,193 CAD
£7,945 GBP
View
8 more retailers have this diamond
Prices start from $7,631 CADSave up to $6,562 CAD

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
1.81ct Cushion
$7,631 CAD