Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6532124427

Certificate GIA 6532124427

Diamond specifications and retailer prices

From $9,709 AUD
₹649,536 INR
As of November 1, 2026
Save $6,935 AUD (42%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,644 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 6532124427. Listed at 19 retailers as of November 1, 2026, with prices from $9,709 to $16,644, a $6,935 spread on the same certified stone. MOH London lists it at $16,644. 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 6532124427
Dimensions8.71 × 5.02 × 3.51 mm
L/W Ratio1.74
Top View
8.71 mm5.02 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6532124427
Side View
Table 69.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $16,644 AUD|Low: $9,709 AUD|High: $16,845 AUD|Avg: $12,677 AUD|-0.9%
MOH London
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 10$9,709 AUD
Retailer 5$10,303 AUD
Retailer 8$10,967 AUD
Retailer 13$11,024 AUD
Retailer 11$11,174 AUD
Retailer 9$11,215 AUD
Retailer 14$11,303 AUD
Retailer 6$11,454 AUD
Retailer 7$12,135 AUD
Retailer 4$12,351 AUD
Retailer 2$12,979 AUD
Retailer 12$14,672 AUD
Retailer 3$16,525 AUD
MOH London$16,644 AUD

27 data points across 14 retailers

19 retailers$9,709 AUD to $16,644 AUD

B+
Cheapest Retailer
-
$9,709 AUD
₹649,536 INR
B+
Retailer 2
-
$9,918 AUD
$6,967 USD
View
B+
Retailer 3
-
$10,303 AUD
$7,237 USD
View
B+
Retailer 4
-
$10,967 AUD
$7,704 USD
View
Final sale: no returns
B
Retailer 5
-
$11,024 AUD
$7,744 USD
View
B+
Retailer 6
-
$11,174 AUD
£6,181 GBP
View
B+
Retailer 7
-
$11,215 AUD
£6,203 GBP
View
B
Retailer 8
-
$11,303 AUD
$7,940 USD
View
Retailer 9
-
$11,454 AUD
View
Price last confirmed 11 days ago
Retailer 10
-
$11,987 AUD
$8,420 USD
View
Price last confirmed 10 days ago
Retailer 11
-
$11,987 AUD
$8,420 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
$12,135 AUD
$8,524 USD
View
B
Retailer 13
-
$12,351 AUD
$8,676 USD
View
Retailer 14
-
$12,385 AUD
$8,700 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
$12,979 AUD
€8,683 EUR
View
Retailer 16
-
$13,154 AUD
$9,240 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
$14,672 AUD
ZAR 166,500 ZAR
View
B
Retailer 18
-
$16,525 AUD
£9,140 GBP
View
Most Expensive
B
MOH London
240CBE3F8 · Nov 1
$16,644 AUD
£9,206 GBP
View
18 more retailers have this diamond
Prices start from $9,709 AUDSave up to $6,935 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.

B+
1.50ct Cushion
$9,709 AUD