Cushion|Natural|GIA

1.50ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 1549696767

Certificate GIA 1549696767

Diamond specifications and retailer prices

From $3,002 NZD
As of November 6, 2026
Save $4,689 NZD (61%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,691 NZD at MOH London · As of November 4, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549696767. Listed at 19 retailers as of November 4, 2026, with prices from $3,002 to $7,691, a $4,689 spread on the same certified stone. MOH London lists it at $7,691. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle39.4°
OriginNatural
Grading LabGIA
CertificateGIA 1549696767
Dimensions7.22 × 6.21 × 4.29 mm
L/W Ratio1.16
Girdle conditionFaceted
Top View
7.22 mm6.21 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1549696767
Side View
Table 69.0%CrownGirdle: THK-VTKPavilion 39.4°Culet: NoneDepth 69.1%

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: Nov 6
Current: $7,691 NZD|Low: $3,002 NZD|High: $8,580 NZD|Avg: $4,930 NZD|-10.4%
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
November 6, 2026
Retailer 12$3,002 NZD
Retailer 2$3,617 NZD
Retailer 3$3,797 NZD
Retailer 13$3,801 NZD
Retailer 16$4,181 NZD
Retailer 15$4,241 NZD
Retailer 17$4,257 NZD
Retailer 5$4,270 NZD
Retailer 9$4,364 NZD
Retailer 7$4,371 NZD
Retailer 4$4,374 NZD
Retailer 6$4,421 NZD
Retailer 10$4,546 NZD
Retailer 8$4,827 NZD
Retailer 14$4,865 NZD
Retailer 18$5,372 NZD
Retailer 11$6,499 NZD
MOH London$7,691 NZD

22 data points across 18 retailers

19 retailers$3,002 NZD to $7,691 NZD

A
Cheapest Retailer
-
$3,002 NZD
A
Retailer 2
-
$3,617 NZD
View
Final sale: no returns
A
Retailer 3
-
$3,797 NZD
View
A
Retailer 4
-
$3,801 NZD
View
A
Retailer 5
-
$4,181 NZD
View
A
Retailer 6
-
$4,241 NZD
View
A
Retailer 7
-
$4,257 NZD
View
A
Retailer 8
-
$4,270 NZD
View
Retailer 9
-
$4,364 NZD
View
Price last confirmed 8 days ago
Retailer 10
-
$4,371 NZD
View
Price last confirmed 9 days ago
A
Retailer 11
-
$4,374 NZD
View
Retailer 12
-
$4,421 NZD
View
Price last confirmed 9 days ago
Retailer 13
-
$4,546 NZD
View
Price last confirmed 7 days ago
Retailer 14
-
$4,827 NZD
View
Price last confirmed 17 days ago
A
Retailer 15
-
$4,865 NZD
View
B+
Retailer 16
-
$5,262 NZD
View
A
Retailer 17
-
$5,372 NZD
View
B+
Retailer 18
-
$6,499 NZD
View
Most Expensive
B+
MOH London
6DCC2DB2F · Nov 4
$7,691 NZD
£3,357 GBP
View
18 more retailers have this diamond
Prices start from $3,002 NZDSave up to $4,689 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
$3,002 NZD