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Cushion|Natural|GIA

1.50ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 6555133265

Certificate GIA 6555133265

Diamond specifications and retailer prices

From $8,982 NZD
As of November 6, 2026
Save $8,614 NZD (49%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $18,351 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555133265. Listed at 19 retailers as of November 4, 2026, with a 96% 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555133265
Dimensions7.53 × 5.80 × 4.01 mm
L/W Ratio1.30
Top View
7.53 mm5.80 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555133265
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.2%

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: $18,351 NZD|Low: $8,911 NZD|High: $18,488 NZD|Avg: $12,439 NZD|+1.4%
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
Retailer 14
November 7, 2026
Retailer 12$8,982 NZD
Retailer 7$9,479 NZD
Retailer 13$9,995 NZD
Retailer 3$10,428 NZD
Retailer 10$10,634 NZD
Retailer 4$11,052 NZD
Retailer 14$11,054 NZD
Retailer 2$11,402 NZD
Retailer 5$11,761 NZD
Retailer 6$12,263 NZD
Retailer 8$13,012 NZD
Retailer 9$14,612 NZD
Retailer 11$17,595 NZD
Queensmith$18,351 NZD

31 data points across 14 retailers

19 retailers$8,982 NZD to $17,595 NZD

A
Cheapest Retailer
-
$8,982 NZD
A
Retailer 2
-
$9,479 NZD
View
B+
Retailer 3
-
$9,995 NZD
View
Retailer 4
-
$10,306 NZD
View
Price last confirmed 24 days ago
B+
Retailer 5
-
$10,428 NZD
View
B+
Retailer 6
-
$10,634 NZD
View
B+
Retailer 7
-
$10,997 NZD
View
B+
Retailer 8
-
$11,004 NZD
View
B+
Retailer 9
-
$11,052 NZD
View
Final sale: no returns
Retailer 10
-
$11,054 NZD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$11,402 NZD
View
B+
Retailer 12
-
$11,761 NZD
View
Retailer 13
-
$11,814 NZD
View
Price last confirmed 34 days ago
B+
Retailer 14
-
$12,191 NZD
View
B+
Retailer 15
-
$12,263 NZD
View
B+
Retailer 16
-
$13,012 NZD
View
B+
Retailer 17
-
$14,612 NZD
View
B
Retailer 18
-
$17,595 NZD
View
Most Expensive
Queensmith
6555133265 · Oct 28
$18,351 NZD
£8,010 GBP
View
Price last confirmed 9 days ago
18 more retailers have this diamond
Prices start from $8,982 NZDSave up to $8,614 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
$8,982 NZD