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Cushion|Natural|GIA

1.50ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2557551279

Certificate GIA 2557551279

Diamond specifications and retailer prices

From $7,371 NZD
HK$32,400 HKD
As of November 1, 2026
Save $9,095 NZD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,466 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557551279. Listed at 15 retailers as of October 28, 2026, with prices from $7,371 to $16,466, a $9,095 spread on the same certified stone. Queensmith lists it at $16,466. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557551279
Dimensions7.54 × 5.81 × 3.99 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.54 mm5.81 mm1.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557551279
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.7%

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 1
Current: $16,466 NZD|Low: $7,303 NZD|High: $16,579 NZD|Avg: $10,456 NZD|+2.0%
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 2, 2026
Retailer 10$7,371 NZD
Retailer 2$7,864 NZD
Retailer 5$8,684 NZD
Retailer 3$9,084 NZD
Retailer 6$9,273 NZD
Retailer 12$9,384 NZD
Retailer 8$9,602 NZD
Retailer 11$9,841 NZD
Retailer 4$10,116 NZD
Retailer 13$10,342 NZD
Retailer 7$11,135 NZD
Retailer 9$15,676 NZD
Queensmith$16,466 NZD

24 data points across 13 retailers

15 retailers$7,371 NZD to $16,466 NZD

A
Cheapest Retailer
-
$7,371 NZD
HK$32,400 HKD
A
Retailer 2
-
$7,864 NZD
₹421,397 INR
View
A
Retailer 3
-
$8,684 NZD
SGD 6,603 SGD
View
A
Retailer 4
-
$9,029 NZD
$5,080 USD
View
A
Retailer 5
-
$9,084 NZD
$5,111 USD
View
Final sale: no returns
A
Retailer 6
-
$9,273 NZD
£4,108 GBP
View
B+
Retailer 7
-
$9,384 NZD
SGD 7,135 SGD
View
A
Retailer 8
-
$9,602 NZD
£4,254 GBP
View
B+
Retailer 9
-
$9,841 NZD
$5,537 USD
View
B+
Retailer 10
-
$10,116 NZD
$5,692 USD
View
B+
Retailer 11
-
$10,342 NZD
$5,819 USD
View
B+
Retailer 12
-
$10,395 NZD
A$8,998 AUD
View
B+
Retailer 13
-
$11,135 NZD
€5,967 EUR
View
B
Retailer 14
-
$15,676 NZD
£6,945 GBP
View
Most Expensive
B
Queensmith
2557551279 · Oct 28
$16,466 NZD
£7,295 GBP
View
14 more retailers have this diamond
Prices start from $7,371 NZDSave up to $9,095 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
$7,371 NZD