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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1553672759

Certificate GIA 1553672759

Diamond specifications and retailer prices

From $7,259 CAD
HK$40,600 HKD
As of October 31, 2026
Save $7,279 CAD (50%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $14,538 CAD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded D 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 1553672759. Listed at 19 retailers as of October 28, 2026, with prices from $7,259 to $14,538, a $7,279 spread on the same certified stone. Queensmith lists it at $14,538. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553672759
Dimensions7.87 × 5.92 × 4.06 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Knot, Needle, Extra Facet
Top View
7.87 mm5.92 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1553672759
Side View
Table 65.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $14,538 CAD|Low: $7,206 CAD|High: $14,654 CAD|Avg: $10,182 CAD|+1.3%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 6$7,259 CAD
Retailer 2$7,744 CAD
Retailer 12$8,096 CAD
Retailer 5$8,556 CAD
Retailer 13$8,936 CAD
Retailer 9$9,086 CAD
Retailer 8$9,286 CAD
Retailer 3$9,485 CAD
Retailer 4$9,906 CAD
Retailer 7$10,580 CAD
Retailer 11$11,790 CAD
Retailer 10$14,340 CAD
Queensmith$14,538 CAD

24 data points across 13 retailers

19 retailers$7,259 CAD to $14,538 CAD

A
Cheapest Retailer
-
$7,259 CAD
HK$40,600 HKD
A
Retailer 2
-
$7,744 CAD
₹528,005 INR
View
A
Retailer 3
-
$8,096 CAD
$5,796 USD
View
Retailer 4
-
$8,339 CAD
SGD 8,067 SGD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$8,556 CAD
SGD 8,277 SGD
View
B+
Retailer 6
-
$8,895 CAD
$6,368 USD
View
B+
Retailer 7
-
$8,898 CAD
$6,370 USD
View
B+
Retailer 8
-
$8,936 CAD
$6,397 USD
View
Final sale: no returns
Retailer 9
-
$8,995 CAD
$6,439 USD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$9,086 CAD
£5,122 GBP
View
B+
Retailer 11
-
$9,286 CAD
£5,234 GBP
View
B+
Retailer 12
-
$9,485 CAD
$6,790 USD
View
Retailer 13
-
$9,555 CAD
A$10,524 AUD
View
Price last confirmed 27 days ago
B+
Retailer 14
-
$9,906 CAD
$7,091 USD
View
B+
Retailer 15
-
$10,177 CAD
A$11,208 AUD
View
B+
Retailer 16
-
$10,580 CAD
€7,213 EUR
View
B+
Retailer 17
-
$11,790 CAD
ZAR 136,350 ZAR
View
B
Retailer 18
-
$14,340 CAD
£8,083 GBP
View
Most Expensive
B
Queensmith
1553672759 · Oct 28
$14,538 CAD
£8,195 GBP
View
18 more retailers have this diamond
Prices start from $7,259 CADSave up to $7,279 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
1.50ct Cushion
$7,259 CAD