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Cushion|Natural|GIA

1.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 7542750439

Certificate GIA 7542750439

Diamond specifications and retailer prices

From $6,578 SGD
HK$40,200 HKD
As of October 29, 2026
Save $6,646 SGD (50%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $13,224 SGD 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 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 7542750439. Listed at 18 retailers as of October 28, 2026, with prices from $6,578 to $13,224, a $6,646 spread on the same certified stone. Queensmith lists it at $13,224. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7542750439
Dimensions7.63 × 5.86 × 4.03 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Natural
Top View
7.63 mm5.86 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7542750439
Side View
Table 66.0%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: Oct 29
Current: $13,224 SGD|Low: $6,578 SGD|High: $13,329 SGD|Avg: $9,032 SGD|+1.7%
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
Retailer 14
October 30, 2026
Retailer 11$6,578 SGD
Retailer 2$7,093 SGD
Retailer 10$7,390 SGD
Retailer 5$7,818 SGD
Retailer 12$8,085 SGD
Retailer 4$8,133 SGD
Retailer 7$8,400 SGD
Retailer 13$8,591 SGD
Retailer 6$8,641 SGD
Retailer 14$8,963 SGD
Retailer 8$9,556 SGD
Retailer 9$10,666 SGD
Retailer 3$12,972 SGD
Queensmith$13,224 SGD

30 data points across 14 retailers

18 retailers$6,578 SGD to $13,224 SGD

A
Cheapest Retailer
-
$6,578 SGD
HK$40,200 HKD
A
Retailer 2
-
$7,093 SGD
₹528,413 INR
View
A
Retailer 3
-
$7,390 SGD
$5,781 USD
View
Retailer 4
-
$7,618 SGD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$7,818 SGD
View
B+
Retailer 6
-
$8,085 SGD
$6,324 USD
View
Final sale: no returns
B+
Retailer 7
-
$8,128 SGD
$6,358 USD
View
B+
Retailer 8
-
$8,131 SGD
$6,360 USD
View
Retailer 9
-
$8,133 SGD
$6,362 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
$8,400 SGD
£5,174 GBP
View
B+
Retailer 11
-
$8,591 SGD
$6,720 USD
View
Retailer 12
-
$8,641 SGD
A$10,399 AUD
View
Price last confirmed 26 days ago
B+
Retailer 13
-
$8,963 SGD
$7,011 USD
View
B+
Retailer 14
-
$9,197 SGD
A$11,068 AUD
View
B+
Retailer 15
-
$9,556 SGD
€7,119 EUR
View
B+
Retailer 16
-
$10,666 SGD
ZAR 134,781 ZAR
View
B
Retailer 17
-
$12,972 SGD
£7,990 GBP
View
Most Expensive
B
Queensmith
7542750439 · Oct 28
$13,224 SGD
£8,145 GBP
View
17 more retailers have this diamond
Prices start from $6,578 SGDSave up to $6,646 SGD

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
$6,578 SGD