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Cushion|Natural|GIA

1.50ct K SI2 Cushion Natural Diamond

VG • K/SI2 • GIA 6551361724

Certificate GIA 6551361724

Diamond specifications and retailer prices

From $3,902 NZD
As of November 6, 2026
Save $4,870 NZD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,772 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 SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6551361724. Listed at 13 retailers as of November 4, 2026, with prices from $3,902 to $8,772, a $4,870 spread on the same certified stone. MOH London lists it at $8,772. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
K
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551361724
Dimensions7.59 × 5.83 × 4.14 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
7.59 mm5.83 mm1.50 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551361724
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 71.0%

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: $8,772 NZD|Low: $3,831 NZD|High: $9,045 NZD|Avg: $5,360 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12$3,902 NZD
Retailer 8$4,198 NZD
Retailer 9$4,293 NZD
Retailer 2$4,477 NZD
Retailer 4$4,584 NZD
Retailer 7$4,638 NZD
Retailer 3$4,816 NZD
Retailer 11$5,051 NZD
Retailer 6$5,282 NZD
Retailer 5$5,845 NZD
Retailer 10$8,038 NZD
MOH London$8,772 NZD

34 data points across 12 retailers

13 retailers$3,902 NZD to $8,772 NZD

A
Cheapest Retailer
-
$3,902 NZD
A
Retailer 2
-
$4,198 NZD
View
Final sale: no returns
A
Retailer 3
-
$4,293 NZD
View
B+
Retailer 4
-
$4,477 NZD
View
B+
Retailer 5
-
$4,584 NZD
View
B+
Retailer 6
-
$4,638 NZD
View
B+
Retailer 7
-
$4,816 NZD
View
A
Retailer 8
-
$5,051 NZD
View
B+
Retailer 9
-
$5,282 NZD
View
B+
Retailer 10
-
$5,520 NZD
View
B+
Retailer 11
-
$5,845 NZD
View
B
Retailer 12
-
$8,038 NZD
View
Most Expensive
B
MOH London
C0414BBC2 · Nov 4
$8,772 NZD
£3,829 GBP
View
12 more retailers have this diamond
Prices start from $3,902 NZDSave up to $4,870 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
$3,902 NZD