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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6542936162

Certificate GIA 6542936162

Diamond specifications and retailer prices

From $10,947 NZD
HK$48,200 HKD
As of November 1, 2026
Save $9,277 NZD (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $20,224 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 6542936162. Listed at 18 retailers as of October 28, 2026, with prices from $10,947 to $20,224, a $9,277 spread on the same certified stone. Queensmith lists it at $20,224. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542936162
Dimensions8.16 × 5.83 × 3.82 mm
L/W Ratio1.40
Top View
8.16 mm5.83 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6542936162
Side View
Table 67.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.6%

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: $20,224 NZD|Low: $10,856 NZD|High: $20,348 NZD|Avg: $14,275 NZD|+0.7%
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 15$10,947 NZD
Retailer 12$11,611 NZD
Retailer 4$11,856 NZD
Retailer 7$12,459 NZD
Retailer 6$12,493 NZD
Retailer 5$13,097 NZD
Retailer 8$13,130 NZD
Retailer 16$13,130 NZD
Retailer 10$13,245 NZD
Retailer 11$13,537 NZD
Retailer 3$13,827 NZD
Retailer 9$14,654 NZD
Retailer 2$15,675 NZD
Retailer 14$17,724 NZD
Retailer 13$20,107 NZD
Queensmith$20,224 NZD

28 data points across 16 retailers

18 retailers$10,947 NZD to $20,224 NZD

A
Cheapest Retailer
-
$10,947 NZD
HK$48,200 HKD
A
Retailer 2
-
$11,611 NZD
₹623,231 INR
View
B+
Retailer 3
-
$11,856 NZD
$6,682 USD
View
B+
Retailer 4
-
$12,459 NZD
$7,022 USD
View
Retailer 5
-
$12,493 NZD
SGD 9,515 SGD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
$13,097 NZD
SGD 9,975 SGD
View
B+
Retailer 7
-
$13,130 NZD
$7,400 USD
View
B+
Retailer 8
-
$13,130 NZD
$7,400 USD
View
B+
Retailer 9
-
$13,245 NZD
$7,465 USD
View
Final sale: no returns
B+
Retailer 10
-
$13,497 NZD
$7,607 USD
View
B+
Retailer 11
-
$13,537 NZD
£6,008 GBP
View
Retailer 12
-
$13,827 NZD
A$11,989 AUD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$14,654 NZD
$8,259 USD
View
B+
Retailer 14
-
$15,244 NZD
A$13,218 AUD
View
B+
Retailer 15
-
$15,675 NZD
€8,414 EUR
View
B
Retailer 16
-
$17,724 NZD
ZAR 161,378 ZAR
View
B
Retailer 17
-
$20,107 NZD
£8,923 GBP
View
Most Expensive
B
Queensmith
6542936162 · Oct 28
$20,224 NZD
£8,975 GBP
View
17 more retailers have this diamond
Prices start from $10,947 NZDSave up to $9,277 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
$10,947 NZD