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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2546894345

Certificate GIA 2546894345

Diamond specifications and retailer prices

From $8,630 NZD
HK$38,000 HKD
As of November 1, 2026
Save $9,092 NZD (51%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $17,723 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 D 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 2546894345. Listed at 19 retailers as of October 28, 2026, with prices from $8,630 to $17,723, a $9,092 spread on the same certified stone. Queensmith lists it at $17,723. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546894345
Dimensions7.50 × 5.92 × 4.04 mm
L/W Ratio1.27
Top View
7.50 mm5.92 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546894345
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.3%

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: $17,723 NZD|Low: $8,562 NZD|High: $17,869 NZD|Avg: $11,996 NZD|+1.8%
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 2, 2026
Retailer 12$8,630 NZD
Retailer 2$9,218 NZD
Retailer 14$9,638 NZD
Retailer 6$10,172 NZD
Retailer 4$10,511 NZD
Retailer 7$10,655 NZD
Retailer 9$10,925 NZD
Retailer 13$11,389 NZD
Retailer 5$11,669 NZD
Retailer 3$11,890 NZD
Retailer 8$12,439 NZD
Retailer 11$13,993 NZD
Retailer 10$16,779 NZD
Queensmith$17,723 NZD

23 data points across 14 retailers

19 retailers$8,630 NZD to $17,723 NZD

A
Cheapest Retailer
-
$8,630 NZD
HK$38,000 HKD
A
Retailer 2
-
$9,218 NZD
₹494,779 INR
View
A
Retailer 3
-
$9,638 NZD
$5,432 USD
View
Retailer 4
-
$9,912 NZD
SGD 7,549 SGD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$10,172 NZD
SGD 7,747 SGD
View
A
Retailer 6
-
$10,511 NZD
$5,924 USD
View
Final sale: no returns
B+
Retailer 7
-
$10,577 NZD
$5,961 USD
View
B+
Retailer 8
-
$10,584 NZD
$5,965 USD
View
A
Retailer 9
-
$10,655 NZD
£4,729 GBP
View
A
Retailer 10
-
$10,925 NZD
£4,848 GBP
View
Retailer 11
-
$11,301 NZD
A$9,799 AUD
View
Price last confirmed 23 days ago
B+
Retailer 12
-
$11,389 NZD
$6,419 USD
View
B+
Retailer 13
-
$11,669 NZD
$6,577 USD
View
B+
Retailer 14
-
$11,890 NZD
$6,701 USD
View
B+
Retailer 15
-
$11,900 NZD
A$10,318 AUD
View
B+
Retailer 16
-
$12,439 NZD
€6,677 EUR
View
B+
Retailer 17
-
$13,993 NZD
ZAR 127,404 ZAR
View
B
Retailer 18
-
$16,779 NZD
£7,446 GBP
View
Most Expensive
B
Queensmith
2546894345 · Oct 28
$17,723 NZD
£7,865 GBP
View
18 more retailers have this diamond
Prices start from $8,630 NZDSave up to $9,092 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
$8,630 NZD