CaratHunter
Plans
Cushion|Natural|GIA

1.50ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 1543643600

Certificate GIA 1543643600

Diamond specifications and retailer prices

From $4,753 USD
As of October 29, 2026
Save $4,632 USD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,385 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543643600. Listed at 15 retailers as of October 28, 2026, with prices from $4,753 to $9,385, a $4,632 spread on the same certified stone. Queensmith lists it at $9,385. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1543643600
Dimensions7.50 × 5.83 × 4.07 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Indented Natural, Cavity, Needle, Natural
Top View
7.50 mm5.83 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543643600
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.8%

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: $9,385 USD|Low: $4,753 USD|High: $9,455 USD|Avg: $6,270 USD|+1.6%
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 30, 2026
Retailer 11$4,753 USD
Retailer 4$5,098 USD
Retailer 5$5,181 USD
Retailer 2$5,372 USD
Retailer 10$5,437 USD
Retailer 6$5,533 USD
Retailer 3$5,790 USD
Retailer 12$5,790 USD
Retailer 13$5,990 USD
Retailer 9$6,272 USD
Retailer 8$6,424 USD
Retailer 7$9,102 USD
Queensmith$9,385 USD

33 data points across 13 retailers

15 retailers$4,753 USD to $9,385 USD

A
Cheapest Retailer
-
$4,753 USD
Final sale: no returns
A
Retailer 2
-
$5,098 USD
View
Retailer 3
-
$5,181 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$5,271 USD
View
A
Retailer 5
-
$5,372 USD
£4,230 GBP
View
A
Retailer 6
-
$5,437 USD
View
A
Retailer 7
-
$5,533 USD
£4,357 GBP
View
A
Retailer 8
-
$5,790 USD
View
A
Retailer 9
-
$5,790 USD
View
B+
Retailer 10
-
$5,990 USD
View
B+
Retailer 11
-
$6,167 USD
A$9,488 AUD
View
B+
Retailer 12
-
$6,272 USD
View
B+
Retailer 13
-
$6,424 USD
€6,118 EUR
View
B
Retailer 14
-
$9,102 USD
£7,167 GBP
View
Most Expensive
B
Queensmith
1543643600 · Oct 28
$9,385 USD
£7,390 GBP
View
14 more retailers have this diamond
Prices start from $4,753 USDSave up to $4,632 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
$4,753 USD