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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 $6,473 NZD
HK$28,500 HKD
As of October 30, 2026
Save $9,064 NZD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,537 NZD 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 $6,473 to $15,537, a $9,064 spread on the same certified stone. Queensmith lists it at $15,537. 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
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 30
Current: $15,537 NZD|Low: $6,473 NZD|High: $15,638 NZD|Avg: $9,597 NZD|+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 30, 2026
Retailer 12$6,473 NZD
Retailer 2$7,028 NZD
Retailer 5$7,694 NZD
Retailer 3$8,045 NZD
Retailer 6$8,237 NZD
Retailer 11$8,305 NZD
Retailer 7$8,666 NZD
Retailer 10$8,715 NZD
Retailer 4$8,983 NZD
Retailer 13$9,209 NZD
Retailer 9$9,848 NZD
Retailer 8$13,955 NZD
Queensmith$15,537 NZD

24 data points across 13 retailers

15 retailers$6,473 NZD to $15,537 NZD

A
Cheapest Retailer
-
$6,473 NZD
HK$28,500 HKD
A
Retailer 2
-
$7,028 NZD
₹377,248 INR
View
A
Retailer 3
-
$7,694 NZD
SGD 5,860 SGD
View
A
Retailer 4
-
$8,000 NZD
$4,509 USD
View
A
Retailer 5
-
$8,045 NZD
$4,534 USD
View
Final sale: no returns
A
Retailer 6
-
$8,237 NZD
£3,655 GBP
View
A
Retailer 7
-
$8,305 NZD
SGD 6,325 SGD
View
A
Retailer 8
-
$8,666 NZD
£3,846 GBP
View
A
Retailer 9
-
$8,670 NZD
A$7,518 AUD
View
A
Retailer 10
-
$8,715 NZD
$4,912 USD
View
A
Retailer 11
-
$8,983 NZD
$5,063 USD
View
A
Retailer 12
-
$9,209 NZD
$5,190 USD
View
A
Retailer 13
-
$9,848 NZD
€5,286 EUR
View
B+
Retailer 14
-
$13,955 NZD
£6,193 GBP
View
Most Expensive
B
Queensmith
6555361215 · Oct 28
$15,537 NZD
£6,895 GBP
View
14 more retailers have this diamond
Prices start from $6,473 NZDSave up to $9,064 NZD

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
$6,473 NZD