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Cushion|Natural|GIA

1.42ct G SI1 Cushion Natural Diamond

EX • G/SI1 • GIA 1548615580

Certificate GIA 1548615580

Diamond specifications and retailer prices

From $3,718 NZD
As of November 4, 2026
Save $2,946 NZD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,664 NZD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.42ct natural cushion diamond

This 1.42ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548615580. Listed at 13 retailers as of November 4, 2026, with prices from $3,718 to $6,664, a $2,946 spread on the same certified stone. Helzberg Diamonds lists it at $6,664. 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

1.42
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548615580
Dimensions6.71 × 5.97 × 4.14 mm
L/W Ratio1.12
Culet sizeNone
Top View
6.71 mm5.97 mm1.42 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1548615580
Side View
Table 63.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 69.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,664 NZD|Low: $3,718 NZD|High: $7,077 NZD|Avg: $4,935 NZD|-5.8%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 5$3,718 NZD
Retailer 4$3,723 NZD
Retailer 7$3,729 NZD
Retailer 3$3,779 NZD
Retailer 11$4,048 NZD
Retailer 2$4,062 NZD
Retailer 9$4,412 NZD
Retailer 10$4,688 NZD
Retailer 6$5,668 NZD
Retailer 12$5,942 NZD
Retailer 8$6,256 NZD
Helzberg Diamonds$6,664 NZD

41 data points across 12 retailers

13 retailers$3,718 NZD to $6,664 NZD

A
Cheapest Retailer
-
$3,718 NZD
A
Retailer 2
-
$3,723 NZD
View
A
Retailer 3
-
$3,729 NZD
View
A
Retailer 4
-
$3,779 NZD
View
A
Retailer 5
-
$4,048 NZD
View
A
Retailer 6
-
$4,062 NZD
View
A
Retailer 7
-
$4,412 NZD
View
A
Retailer 8
-
$4,600 NZD
View
A
Retailer 9
-
$4,688 NZD
View
A
Retailer 10
-
$5,668 NZD
View
A
Retailer 11
-
$5,942 NZD
View
A
Retailer 12
-
$6,256 NZD
View
Most Expensive
A
Helzberg Diamonds
XZRHLKOMHLLOG · Nov 4
$6,664 NZD
$3,694 USD
View
12 more retailers have this diamond
Prices start from $3,718 NZDSave up to $2,946 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
1.42ct Cushion
$3,718 NZD