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Cushion|Natural|GIA

1.54ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6542639501

Certificate GIA 6542639501

Diamond specifications and retailer prices

From $3,094 NZD
As of November 6, 2026
Save $4,822 NZD (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,915 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.54ct natural cushion diamond

This 1.54ct 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 6542639501. Listed at 17 retailers as of November 2, 2026, with prices from $3,094 to $7,915, a $4,822 spread on the same certified stone. MOH London lists it at $7,915. 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

1.54
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle39°
OriginNatural
Grading LabGIA
CertificateGIA 6542639501
Dimensions7.19 × 6.23 × 4.35 mm
L/W Ratio1.15
Top View
7.19 mm6.23 mm1.54 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542639501
Side View
Table 66.0%CrownGirdle: STK-VTKPavilion 39°Culet: NoneDepth 69.8%

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: Nov 6
Current: $7,915 NZD|Low: $3,094 NZD|High: $8,513 NZD|Avg: $5,252 NZD|-7.0%
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
November 6, 2026
Retailer 10$3,094 NZD
Retailer 2$3,712 NZD
Retailer 11$3,900 NZD
Retailer 14$4,293 NZD
Retailer 13$4,338 NZD
Retailer 15$4,369 NZD
Retailer 4$4,382 NZD
Retailer 5$4,501 NZD
Retailer 9$4,925 NZD
Retailer 12$4,993 NZD
Retailer 7$5,000 NZD
Retailer 6$5,246 NZD
Retailer 3$5,513 NZD
Retailer 8$6,673 NZD
MOH London$7,915 NZD

23 data points across 15 retailers

17 retailers$3,094 NZD to $7,915 NZD

A
Cheapest Retailer
-
$3,094 NZD
A
Retailer 2
-
$3,712 NZD
View
Final sale: no returns
A
Retailer 3
-
$3,900 NZD
View
A
Retailer 4
-
$4,293 NZD
View
A
Retailer 5
-
$4,338 NZD
View
A
Retailer 6
-
$4,369 NZD
View
A
Retailer 7
-
$4,382 NZD
View
A
Retailer 8
-
$4,501 NZD
View
A
Retailer 9
-
$4,925 NZD
View
A
Retailer 10
-
$4,993 NZD
View
A
Retailer 11
-
$5,000 NZD
View
A
Retailer 12
-
$5,000 NZD
View
B+
Retailer 13
-
$5,239 NZD
View
Retailer 14
-
$5,246 NZD
View
Price last confirmed 18 days ago
A
Retailer 15
-
$5,513 NZD
View
B+
Retailer 16
-
$6,673 NZD
View
Most Expensive
B+
MOH London
09CFFAEBB · Nov 2
$7,915 NZD
£3,455 GBP
View
16 more retailers have this diamond
Prices start from $3,094 NZDSave up to $4,822 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
1.54ct Cushion
$3,094 NZD