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Cushion|Natural|GIA

1.50ct G SI2 Cushion Natural Diamond

ID • G/SI2 • GIA 6542270416

Certificate GIA 6542270416

Diamond specifications and retailer prices

From $3,850 NZD
As of November 6, 2026
Save $1,652 NZD (30%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,502 NZD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542270416. Listed at 5 retailers as of November 6, 2026, with prices from $3,850 to $5,502, a $1,652 spread on the same certified stone. Brilliant Earth lists it at $5,502. 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
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542270416
Dimensions6.52 × 6.14 × 4.26 mm
L/W Ratio1.06
Top View
6.52 mm6.14 mm1.50 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542270416
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $5,502 NZD|Low: $3,850 NZD|High: $6,169 NZD|Avg: $4,822 NZD|-10.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 17, 2026
Retailer 2$3,850 NZD
Retailer 4$3,913 NZD
Retailer 5$4,448 NZD
Retailer 3$4,522 NZD
Retailer 6$5,074 NZD
Brilliant Earth$5,502 NZD

13 data points across 6 retailers

5 retailers$3,850 NZD to $5,502 NZD

A
Cheapest Retailer
-
$3,850 NZD
A
Retailer 2
-
$3,913 NZD
View
A
Retailer 3
-
$4,522 NZD
View
A
Retailer 4
-
$5,074 NZD
View
Most Expensive
A
Brilliant Earth
18008257A · Nov 6
$5,502 NZD
$3,050 USD
View
4 more retailers have this diamond
Prices start from $3,850 NZDSave up to $1,652 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
$3,850 NZD