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Cushion|Natural|GIA

1.51ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 6205595976

Certificate GIA 6205595976

Diamond specifications and retailer prices

From $14,035 CAD
As of November 6, 2026
Save $10,862 CAD (44%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $24,897 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6205595976. Listed at 20 retailers as of November 4, 2026, with prices from $14,035 to $24,897, a $10,862 spread on the same certified stone. MOH London lists it at $24,897. 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

1.51
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6205595976
Dimensions7.17 × 6.84 × 4.49 mm
L/W Ratio1.05
Top View
7.17 mm6.84 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6205595976
Side View
Table 62.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 65.6%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $24,897 CAD|Low: $14,035 CAD|High: $25,263 CAD|Avg: $18,388 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$14,035 CAD
Retailer 7$14,171 CAD
Retailer 8$15,983 CAD
Retailer 4$17,016 CAD
Retailer 6$17,383 CAD
Retailer 2$18,501 CAD
Retailer 3$19,209 CAD
Retailer 5$23,320 CAD
MOH London$24,897 CAD

45 data points across 9 retailers

20 retailers$14,035 CAD to $24,897 CAD

B+
Cheapest Retailer
-
$14,035 CAD
Retailer 2
-
$14,171 CAD
View
Price last confirmed 17 days ago
B
Retailer 3
-
$14,828 CAD
View
B
Retailer 4
-
$14,831 CAD
View
B
Retailer 5
-
$15,167 CAD
View
B
Retailer 6
-
$15,264 CAD
View
B
Retailer 7
-
$15,761 CAD
View
Retailer 8
-
$15,983 CAD
View
Price last confirmed 9 days ago
B
Retailer 9
-
$16,117 CAD
View
B
Retailer 10
-
$17,016 CAD
View
Retailer 11
-
$17,383 CAD
View
Price last confirmed 15 days ago
B
Retailer 12
-
$17,688 CAD
View
B
Retailer 13
-
$18,491 CAD
View
B
Retailer 14
-
$18,501 CAD
View
B
Retailer 15
-
$18,595 CAD
View
B
Retailer 16
-
$18,595 CAD
View
B
Retailer 17
-
$19,209 CAD
View
B
Retailer 18
-
$19,214 CAD
View
B
Retailer 19
-
$23,320 CAD
View
Most Expensive
B
MOH London
E50A38A21 · Nov 4
$24,897 CAD
£13,937 GBP
View
19 more retailers have this diamond
Prices start from $14,035 CADSave up to $10,862 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+
1.51ct Cushion
$14,035 CAD