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Cushion|Natural|GIA

1.50ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 2546450390

Certificate GIA 2546450390

Diamond specifications and retailer prices

From $6,812 NZD
As of November 6, 2026
Save $7,501 NZD (52%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,956 NZD at Queensmith · As of October 28, 2026
View at Queensmith

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 2546450390. Listed at 15 retailers as of November 4, 2026, with a 110% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546450390
Dimensions7.72 × 5.96 × 3.91 mm
L/W Ratio1.30
Top View
7.72 mm5.96 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546450390
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.6%

Caratlytics Score

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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: $15,956 NZD|Low: $6,812 NZD|High: $16,025 NZD|Avg: $9,601 NZD|+1.3%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 11$6,812 NZD
Retailer 2$7,221 NZD
Retailer 5$8,033 NZD
Retailer 8$8,271 NZD
Retailer 13$8,316 NZD
Retailer 4$8,729 NZD
Retailer 7$8,872 NZD
Retailer 3$9,065 NZD
Retailer 10$9,110 NZD
Retailer 12$9,283 NZD
Retailer 6$10,138 NZD
Retailer 9$14,312 NZD
Queensmith$15,956 NZD

31 data points across 13 retailers

15 retailers$6,812 NZD to $14,312 NZD

A
Cheapest Retailer
-
$6,812 NZD
A
Retailer 2
-
$7,221 NZD
View
A
Retailer 3
-
$8,033 NZD
View
A
Retailer 4
-
$8,271 NZD
View
A
Retailer 5
-
$8,316 NZD
View
Final sale: no returns
A
Retailer 6
-
$8,554 NZD
View
Retailer 7
-
$8,729 NZD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$8,872 NZD
View
Retailer 9
-
$9,065 NZD
View
Price last confirmed 22 days ago
A
Retailer 10
-
$9,110 NZD
View
A
Retailer 11
-
$9,283 NZD
View
B+
Retailer 12
-
$9,929 NZD
View
B+
Retailer 13
-
$10,138 NZD
View
B+
Retailer 14
-
$14,312 NZD
View
Most Expensive
Queensmith
2546450390 · Oct 28
$15,956 NZD
£6,965 GBP
View
Price last confirmed 9 days ago
14 more retailers have this diamond
Prices start from $6,812 NZDSave up to $7,501 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
$6,812 NZD