CaratHunter
Plans
Cushion|Natural|GIA

1.50ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 6542339967

Certificate GIA 6542339967

Diamond specifications and retailer prices

From $5,485 AUD
HK$30,100 HKD
As of November 1, 2026
Save $7,189 AUD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,674 AUD 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542339967. Listed at 14 retailers as of October 28, 2026, with prices from $5,485 to $12,674, a $7,189 spread on the same certified stone. Queensmith lists it at $12,674. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542339967
Dimensions7.77 × 5.96 × 4.06 mm
L/W Ratio1.30
Top View
7.77 mm5.96 mm1.50 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542339967
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.1%

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: $12,674 AUD|Low: $5,448 AUD|High: $12,764 AUD|Avg: $7,983 AUD|+1.7%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7$5,485 AUD
Retailer 2$5,889 AUD
Retailer 4$6,472 AUD
Retailer 11$6,695 AUD
Retailer 10$6,986 AUD
Retailer 6$7,242 AUD
Retailer 9$7,255 AUD
Retailer 12$7,317 AUD
Retailer 3$7,471 AUD
Retailer 8$8,209 AUD
Retailer 5$11,555 AUD
Queensmith$12,674 AUD

31 data points across 12 retailers

14 retailers$5,485 AUD to $12,674 AUD

A
Cheapest Retailer
-
$5,485 AUD
HK$30,100 HKD
A
Retailer 2
-
$5,889 AUD
₹393,995 INR
View
A
Retailer 3
-
$6,472 AUD
SGD 6,144 SGD
View
A
Retailer 4
-
$6,695 AUD
$4,703 USD
View
Final sale: no returns
A
Retailer 5
-
$6,731 AUD
$4,728 USD
View
A
Retailer 6
-
$6,986 AUD
SGD 6,631 SGD
View
A
Retailer 7
-
$7,242 AUD
£4,005 GBP
View
A
Retailer 8
-
$7,255 AUD
$5,096 USD
View
A
Retailer 9
-
$7,317 AUD
$5,140 USD
View
A
Retailer 10
-
$7,471 AUD
$5,248 USD
View
A
Retailer 11
-
$7,956 AUD
View
A
Retailer 12
-
$8,209 AUD
€5,492 EUR
View
B+
Retailer 13
-
$11,555 AUD
£6,391 GBP
View
Most Expensive
B
Queensmith
6542339967 · Oct 28
$12,674 AUD
£7,010 GBP
View
13 more retailers have this diamond
Prices start from $5,485 AUDSave up to $7,189 AUD

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
$5,485 AUD