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Cushion|Natural|GIA

0.78ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 2215334678

Certificate GIA 2215334678

Diamond specifications and retailer prices

From $1,796 CAD
As of November 4, 2026
Save $1,950 CAD (52%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,746 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 0.78ct natural cushion diamond

This 0.78ct natural cushion sits in the just-under-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 2215334678. Listed at 9 retailers as of November 2, 2026, with prices from $1,796 to $3,746, a $1,950 spread on the same certified stone. MOH London lists it at $3,746. 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

0.78
Carat
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2215334678
Dimensions9.67 × 4.66 × 2.94 mm
L/W Ratio2.08
Culet sizeNone
Top View
9.67 mm4.66 mm0.78 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 2215334678
Side View
Table 53.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.1%

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: $3,746 CAD|Low: $2,082 CAD|High: $3,792 CAD|Avg: $2,709 CAD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5$2,082 CAD
Retailer 6$2,148 CAD
Retailer 3$2,362 CAD
Retailer 2$2,758 CAD
Retailer 4$3,193 CAD
MOH London$3,746 CAD

43 data points across 6 retailers

9 retailers$1,796 CAD to $3,746 CAD

B
Cheapest Retailer
-
$1,796 CAD
B
Retailer 2
-
$1,840 CAD
View
B
Retailer 3
-
$2,082 CAD
View
B
Retailer 4
-
$2,148 CAD
View
B
Retailer 5
-
$2,362 CAD
View
B
Retailer 6
-
$2,429 CAD
View
B
Retailer 7
-
$2,758 CAD
View
B
Retailer 8
-
$3,193 CAD
View
Most Expensive
B
MOH London
CECA453E8 · Nov 2
$3,746 CAD
£2,097 GBP
View
8 more retailers have this diamond
Prices start from $1,796 CADSave up to $1,950 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
0.78ct Cushion
$1,796 CAD