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Cushion|Natural|GIA

1.50ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2557551279

Certificate GIA 2557551279

Diamond specifications and retailer prices

From $5,793 CAD
HK$32,400 HKD
As of November 1, 2026
Save $7,149 CAD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,942 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557551279. Listed at 15 retailers as of October 28, 2026, with prices from $5,793 to $12,942, a $7,149 spread on the same certified stone. Queensmith lists it at $12,942. 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
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557551279
Dimensions7.54 × 5.81 × 3.99 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.54 mm5.81 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557551279
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.7%

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: Nov 1
Current: $12,942 CAD|Low: $5,740 CAD|High: $13,030 CAD|Avg: $8,216 CAD|+2.0%
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
November 2, 2026
Retailer 10$5,793 CAD
Retailer 8$6,183 CAD
Retailer 5$6,826 CAD
Retailer 3$7,140 CAD
Retailer 2$7,288 CAD
Retailer 12$7,375 CAD
Retailer 7$7,547 CAD
Retailer 11$7,735 CAD
Retailer 4$7,950 CAD
Retailer 13$8,129 CAD
Retailer 6$8,752 CAD
Retailer 9$12,321 CAD
Queensmith$12,942 CAD

24 data points across 13 retailers

15 retailers$5,793 CAD to $12,942 CAD

A
Cheapest Retailer
-
$5,793 CAD
HK$32,400 HKD
A
Retailer 2
-
$6,183 CAD
₹421,534 INR
View
A
Retailer 3
-
$6,826 CAD
SGD 6,603 SGD
View
A
Retailer 4
-
$7,096 CAD
$5,080 USD
View
A
Retailer 5
-
$7,140 CAD
$5,111 USD
View
Final sale: no returns
A
Retailer 6
-
$7,288 CAD
£4,108 GBP
View
B+
Retailer 7
-
$7,375 CAD
SGD 7,135 SGD
View
A
Retailer 8
-
$7,547 CAD
£4,254 GBP
View
B+
Retailer 9
-
$7,735 CAD
$5,537 USD
View
B+
Retailer 10
-
$7,950 CAD
$5,692 USD
View
B+
Retailer 11
-
$8,129 CAD
$5,819 USD
View
B+
Retailer 12
-
$8,170 CAD
A$8,998 AUD
View
B+
Retailer 13
-
$8,752 CAD
€5,967 EUR
View
B
Retailer 14
-
$12,321 CAD
£6,945 GBP
View
Most Expensive
B
Queensmith
2557551279 · Oct 28
$12,942 CAD
£7,295 GBP
View
14 more retailers have this diamond
Prices start from $5,793 CADSave up to $7,149 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
$5,793 CAD