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Cushion|Natural|GIA

1.50ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 6555361215

Certificate GIA 6555361215

Diamond specifications and retailer prices

From $3,648 USD
HK$28,500 HKD
As of October 29, 2026
Save $5,109 USD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,757 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 6555361215. Listed at 15 retailers as of October 28, 2026, with prices from $3,648 to $8,757, a $5,109 spread on the same certified stone. Queensmith lists it at $8,757. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555361215
Dimensions7.84 × 5.84 × 4.07 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.84 mm5.84 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555361215
Side View
Table 70.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.7%

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: $8,757 USD|Low: $3,648 USD|High: $8,814 USD|Avg: $5,406 USD|+2.2%
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 29, 2026
Retailer 12$3,648 USD
Retailer 6$3,964 USD
Retailer 5$4,336 USD
Retailer 3$4,534 USD
Retailer 7$4,655 USD
Retailer 11$4,681 USD
Retailer 2$4,869 USD
Retailer 10$4,912 USD
Retailer 4$5,063 USD
Retailer 13$5,190 USD
Retailer 9$5,550 USD
Retailer 8$7,865 USD
Queensmith$8,757 USD

24 data points across 13 retailers

15 retailers$3,648 USD to $8,757 USD

A
Cheapest Retailer
-
$3,648 USD
HK$28,500 HKD
A
Retailer 2
-
$3,964 USD
₹377,535 INR
View
A
Retailer 3
-
$4,336 USD
SGD 5,860 SGD
View
A
Retailer 4
-
$4,509 USD
View
A
Retailer 5
-
$4,534 USD
View
Final sale: no returns
A
Retailer 6
-
$4,655 USD
£3,665 GBP
View
A
Retailer 7
-
$4,681 USD
SGD 6,325 SGD
View
A
Retailer 8
-
$4,869 USD
£3,834 GBP
View
A
Retailer 9
-
$4,887 USD
A$7,518 AUD
View
A
Retailer 10
-
$4,912 USD
View
A
Retailer 11
-
$5,063 USD
View
A
Retailer 12
-
$5,190 USD
View
A
Retailer 13
-
$5,550 USD
€5,286 EUR
View
B+
Retailer 14
-
$7,865 USD
£6,193 GBP
View
Most Expensive
B
Queensmith
6555361215 · Oct 28
$8,757 USD
£6,895 GBP
View
14 more retailers have this diamond
Prices start from $3,648 USDSave up to $5,109 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
$3,648 USD