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Cushion|Natural|GIA

1.50ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1246005803

Certificate GIA 1246005803

Diamond specifications and retailer prices

From $6,177 NZD
HK$27,200 HKD
As of October 31, 2026
Save $7,624 NZD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $13,802 NZD at MOH London · As of October 29, 2026
View at MOH London

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 1246005803. Listed at 19 retailers as of October 29, 2026, with prices from $6,177 to $13,802, a $7,624 spread on the same certified stone. MOH London lists it at $13,802. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1246005803
Dimensions6.86 × 6.28 × 4.32 mm
L/W Ratio1.09
Girdle conditionFaceted
Top View
6.86 mm6.28 mm1.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246005803
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.8%

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 31
Current: $13,802 NZD|Low: $6,132 NZD|High: $14,268 NZD|Avg: $8,376 NZD|-3.3%
MOH London
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 2$6,177 NZD
Retailer 9$6,325 NZD
Retailer 17$6,668 NZD
Retailer 18$7,066 NZD
Retailer 5$7,118 NZD
Retailer 3$7,207 NZD
Retailer 13$7,260 NZD
Retailer 6$7,399 NZD
Retailer 8$7,431 NZD
Retailer 7$7,523 NZD
Retailer 16$7,523 NZD
Retailer 12$7,735 NZD
Retailer 14$8,265 NZD
Retailer 10$8,924 NZD
Retailer 11$9,755 NZD
Retailer 15$10,403 NZD
Retailer 4$13,239 NZD
MOH London$13,802 NZD

24 data points across 18 retailers

19 retailers$6,177 NZD to $13,802 NZD

A
Cheapest Retailer
-
$6,177 NZD
HK$27,200 HKD
A
Retailer 2
-
$6,325 NZD
$3,565 USD
View
A
Retailer 3
-
$6,668 NZD
$3,758 USD
View
A
Retailer 4
-
$7,066 NZD
$3,982 USD
View
A
Retailer 5
-
$7,118 NZD
$4,012 USD
View
A
Retailer 6
-
$7,207 NZD
$4,062 USD
View
Final sale: no returns
A
Retailer 7
-
$7,260 NZD
€3,897 EUR
View
A
Retailer 8
-
$7,399 NZD
$4,170 USD
View
A
Retailer 9
-
$7,431 NZD
$4,188 USD
View
A
Retailer 10
-
$7,523 NZD
$4,240 USD
View
A
Retailer 11
-
$7,523 NZD
$4,240 USD
View
A
Retailer 12
-
$7,735 NZD
£3,433 GBP
View
A
Retailer 13
-
$8,265 NZD
$4,658 USD
View
Retailer 14
-
$8,924 NZD
A$7,738 AUD
View
Price last confirmed 21 days ago
A
Retailer 15
-
$9,339 NZD
A$8,098 AUD
View
A
Retailer 16
-
$9,755 NZD
€5,236 EUR
View
Retailer 17
-
$10,403 NZD
ZAR 94,721 ZAR
View
Price last confirmed 8 days ago
Retailer 18
-
$13,239 NZD
$7,461 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
MOH London
1FAD8C3DB · Oct 29
$13,802 NZD
£6,125 GBP
View
18 more retailers have this diamond
Prices start from $6,177 NZDSave up to $7,624 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
$6,177 NZD