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Cushion|Natural|GIA

1.86ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6432934893

Shape and cutting style on the report: Cushion modified brilliant

Certificate GIA 6432934893

Diamond specifications and retailer prices

From $3,421 CAD
As of November 6, 2026
Save $4,321 CAD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,742 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.86ct natural cushion diamond

This 1.86ct 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 6432934893. Listed at 13 retailers as of November 4, 2026, with prices from $3,421 to $7,742, a $4,321 spread on the same certified stone. MOH London lists it at $7,742. 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

1.86
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6432934893
Dimensions7.33 × 6.57 × 4.55 mm
L/W Ratio1.12
Top View
7.33 mm6.57 mm1.86 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6432934893
Side View
Table 62.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 69.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,742 CAD|Low: $3,384 CAD|High: $7,857 CAD|Avg: $4,961 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$3,421 CAD
Retailer 7$3,991 CAD
Retailer 11$4,370 CAD
Retailer 9$4,427 CAD
Retailer 5$4,469 CAD
Retailer 3$4,583 CAD
Retailer 10$4,642 CAD
Retailer 4$4,753 CAD
Retailer 2$5,403 CAD
Retailer 6$5,666 CAD
MOH London$7,742 CAD

42 data points across 11 retailers

13 retailers$3,421 CAD to $7,742 CAD

A
Cheapest Retailer
-
$3,421 CAD
A
Retailer 2
-
$3,991 CAD
View
A
Retailer 3
-
$4,121 CAD
View
A
Retailer 4
-
$4,370 CAD
View
A
Retailer 5
-
$4,427 CAD
View
A
Retailer 6
-
$4,469 CAD
View
A
Retailer 7
-
$4,503 CAD
View
Retailer 8
-
$4,642 CAD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$4,753 CAD
View
A
Retailer 10
-
$5,403 CAD
View
B+
Retailer 11
-
$5,666 CAD
View
B+
Retailer 12
-
$6,572 CAD
View
Most Expensive
B
MOH London
7AB8E7FDB · Nov 4
$7,742 CAD
£4,334 GBP
View
12 more retailers have this diamond
Prices start from $3,421 CADSave up to $4,321 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.

A
1.86ct Cushion
$3,421 CAD