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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 5543528221

Certificate GIA 5543528221

Diamond specifications and retailer prices

From $5,348 CAD
HK$29,900 HKD
As of November 1, 2026
Save $7,048 CAD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $12,396 CAD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.51ct natural cushion diamond

This 1.51ct 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 5543528221. Listed at 13 retailers as of October 28, 2026, with prices from $5,348 to $12,396, a $7,048 spread on the same certified stone. Queensmith lists it at $12,396. 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
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5543528221
Dimensions7.60 × 5.85 × 4.07 mm
L/W Ratio1.30
Top View
7.60 mm5.85 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5543528221
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.6%

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: Nov 1
Current: $12,396 CAD|Low: $5,294 CAD|High: $12,485 CAD|Avg: $7,871 CAD|+1.7%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7$5,348 CAD
Retailer 2$5,721 CAD
Retailer 3$6,301 CAD
Retailer 9$6,522 CAD
Retailer 5$7,027 CAD
Retailer 8$7,067 CAD
Retailer 10$7,141 CAD
Retailer 11$7,278 CAD
Retailer 4$7,995 CAD
Retailer 6$11,255 CAD
Queensmith$12,396 CAD

32 data points across 11 retailers

13 retailers$5,348 CAD to $12,396 CAD

A
Cheapest Retailer
-
$5,348 CAD
HK$29,900 HKD
A
Retailer 2
-
$5,721 CAD
₹389,880 INR
View
A
Retailer 3
-
$6,301 CAD
SGD 6,093 SGD
View
A
Retailer 4
-
$6,522 CAD
$4,667 USD
View
Final sale: no returns
A
Retailer 5
-
$6,551 CAD
$4,688 USD
View
A
Retailer 6
-
$7,027 CAD
£3,959 GBP
View
A
Retailer 7
-
$7,067 CAD
$5,057 USD
View
A
Retailer 8
-
$7,141 CAD
$5,110 USD
View
A
Retailer 9
-
$7,278 CAD
$5,209 USD
View
B+
Retailer 10
-
$7,410 CAD
A$8,158 AUD
View
B+
Retailer 11
-
$7,995 CAD
€5,449 EUR
View
B+
Retailer 12
-
$11,255 CAD
£6,342 GBP
View
Most Expensive
B
Queensmith
5543528221 · Oct 28
$12,396 CAD
£6,985 GBP
View
12 more retailers have this diamond
Prices start from $5,348 CADSave up to $7,048 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
1.51ct Cushion
$5,348 CAD