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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 $5,146 USD
HK$40,200 HKD
As of October 29, 2026
Save $5,199 USD (50%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,344 USD 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 $5,146 to $10,344, a $5,199 spread on the same certified stone. Queensmith lists it at $10,344. 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
Color
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: $10,344 USD|Low: $5,146 USD|High: $10,427 USD|Avg: $7,124 USD|+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
Retailer 14
October 29, 2026
Retailer 11$5,146 USD
Retailer 7$5,553 USD
Retailer 10$5,781 USD
Retailer 5$6,115 USD
Retailer 12$6,324 USD
Retailer 4$6,362 USD
Retailer 2$6,551 USD
Retailer 13$6,720 USD
Retailer 6$6,759 USD
Retailer 14$7,011 USD
Retailer 8$7,475 USD
Retailer 9$8,343 USD
Retailer 3$10,147 USD
Queensmith$10,344 USD

30 data points across 14 retailers

18 retailers$5,146 USD to $10,344 USD

A
Cheapest Retailer
-
$5,146 USD
HK$40,200 HKD
A
Retailer 2
-
$5,553 USD
₹528,815 INR
View
A
Retailer 3
-
$5,781 USD
View
A
Retailer 4
-
$5,959 USD
SGD 8,053 SGD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$6,115 USD
SGD 8,264 SGD
View
B+
Retailer 6
-
$6,324 USD
View
Final sale: no returns
B+
Retailer 7
-
$6,358 USD
View
B+
Retailer 8
-
$6,360 USD
View
B+
Retailer 9
-
$6,362 USD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
$6,551 USD
£5,158 GBP
View
B+
Retailer 11
-
$6,720 USD
View
B+
Retailer 12
-
$6,759 USD
A$10,399 AUD
View
Price last confirmed 25 days ago
B+
Retailer 13
-
$7,011 USD
View
B+
Retailer 14
-
$7,194 USD
A$11,068 AUD
View
B+
Retailer 15
-
$7,475 USD
€7,119 EUR
View
B+
Retailer 16
-
$8,343 USD
ZAR 134,781 ZAR
View
B
Retailer 17
-
$10,147 USD
£7,990 GBP
View
Most Expensive
B
Queensmith
7542750439 · Oct 28
$10,344 USD
£8,145 GBP
View
17 more retailers have this diamond
Prices start from $5,146 USDSave up to $5,199 USD

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
$5,146 USD