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Cushion|Natural|GIA

1.50ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 2354860997

Certificate GIA 2354860997

Diamond specifications and retailer prices

From $10,503 CAD
$7,519 USD
As of October 30, 2026
Save $8,112 CAD (44%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $18,615 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2354860997. Listed at 20 retailers as of October 29, 2026, with prices from $10,503 to $18,615, a $8,112 spread on the same certified stone. MOH London lists it at $18,615. 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

1.50
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2354860997
Dimensions6.89 × 6.57 × 4.47 mm
L/W Ratio1.05
Top View
6.89 mm6.57 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2354860997
Side View
Table 75.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.0%

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: Oct 30
Current: $18,615 CAD|Low: $9,879 CAD|High: $18,739 CAD|Avg: $13,602 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 9$10,503 CAD
Retailer 6$10,568 CAD
Retailer 7$11,855 CAD
Retailer 3$12,957 CAD
Retailer 4$13,016 CAD
Retailer 8$13,217 CAD
Retailer 2$14,684 CAD
Retailer 5$17,109 CAD
MOH London$18,615 CAD

44 data points across 9 retailers

20 retailers$10,503 CAD to $18,615 CAD

B+
Cheapest Retailer
-
$10,503 CAD
$7,519 USD
B+
Retailer 2
-
$10,568 CAD
$7,565 USD
View
B+
Retailer 3
-
$11,040 CAD
$7,903 USD
View
B+
Retailer 4
-
$11,100 CAD
$7,946 USD
View
B
Retailer 5
-
$11,428 CAD
$8,181 USD
View
B
Retailer 6
-
$11,567 CAD
View
B
Retailer 7
-
$11,783 CAD
$8,435 USD
View
B
Retailer 8
-
$11,855 CAD
$8,487 USD
View
Final sale: no returns
B
Retailer 9
-
$12,062 CAD
$8,635 USD
View
B
Retailer 10
-
$12,957 CAD
£7,304 GBP
View
Retailer 11
-
$13,016 CAD
A$14,335 AUD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$13,217 CAD
$9,462 USD
View
B
Retailer 13
-
$13,639 CAD
$9,764 USD
View
B
Retailer 14
-
$14,025 CAD
$10,040 USD
View
B
Retailer 15
-
$14,025 CAD
$10,040 USD
View
B
Retailer 16
-
$14,486 CAD
$10,370 USD
View
B
Retailer 17
-
$14,684 CAD
€10,011 EUR
View
Retailer 18
-
$15,605 CAD
$11,171 USD
View
Price last confirmed 8 days ago
Retailer 19
-
$17,109 CAD
ZAR 197,861 ZAR
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
EC7D83A1C · Oct 29
$18,615 CAD
£10,493 GBP
View
19 more retailers have this diamond
Prices start from $10,503 CADSave up to $8,112 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+
1.50ct Cushion
$10,503 CAD