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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6233946339

Certificate GIA 6233946339

Diamond specifications and retailer prices

From $6,633 AUD
HK$36,400 HKD
As of November 1, 2026
Save $6,659 AUD (50%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $13,292 AUD at MOH London · As of November 1, 2026
View at MOH London

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 6233946339. Listed at 10 retailers as of November 1, 2026, with prices from $6,633 to $13,292, a $6,659 spread on the same certified stone. MOH London lists it at $13,292. 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
SymmetryExcellent
FluorescenceNone
Pavilion angle35.81°
OriginNatural
Grading LabGIA
CertificateGIA 6233946339
Dimensions7.60 × 5.88 × 4.07 mm
L/W Ratio1.29
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.60 mm5.88 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6233946339
Side View
Table 62.0%CrownGirdle: STK-VTKPavilion 35.81°Culet: NoneDepth 69.3%

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: $13,292 AUD|Low: $6,633 AUD|High: $14,831 AUD|Avg: $9,373 AUD|-10.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3$6,633 AUD
Retailer 5$7,632 AUD
Retailer 8$7,671 AUD
Retailer 6$7,929 AUD
Retailer 4$8,442 AUD
Retailer 9$9,303 AUD
Retailer 7$9,466 AUD
Retailer 2$10,021 AUD
MOH London$13,292 AUD

35 data points across 9 retailers

10 retailers$6,633 AUD to $13,292 AUD

A
Cheapest Retailer
-
$6,633 AUD
HK$36,400 HKD
A
Retailer 2
-
$7,632 AUD
€5,106 EUR
View
A
Retailer 3
-
$7,671 AUD
SGD 7,282 SGD
View
A
Retailer 4
-
$7,929 AUD
$5,570 USD
View
A
Retailer 5
-
$8,442 AUD
£4,669 GBP
View
B+
Retailer 6
-
$9,303 AUD
$6,535 USD
View
Final sale: no returns
B+
Retailer 7
-
$9,466 AUD
$6,649 USD
View
B+
Retailer 8
-
$9,909 AUD
View
B+
Retailer 9
-
$10,021 AUD
€6,704 EUR
View
Most Expensive
B+
MOH London
8A896A3F4 · Nov 1
$13,292 AUD
£7,352 GBP
View
9 more retailers have this diamond
Prices start from $6,633 AUDSave up to $6,659 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
$6,633 AUD