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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 7546685005

Certificate GIA 7546685005

Diamond specifications and retailer prices

From $10,236 AUD
$7,190 USD
As of November 2, 2026
Save $6,835 AUD (40%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $17,071 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 7546685005. Listed at 18 retailers as of November 1, 2026, with prices from $10,236 to $17,071, a $6,835 spread on the same certified stone. MOH London lists it at $17,071. 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 7546685005
Dimensions8.52 × 5.67 × 3.82 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
8.52 mm5.67 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7546685005
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.4%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $17,071 AUD|Low: $10,236 AUD|High: $17,364 AUD|Avg: $12,788 AUD|-1.4%
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 12$10,236 AUD
Retailer 4$10,243 AUD
Retailer 14$10,243 AUD
Retailer 8$10,911 AUD
Retailer 9$11,412 AUD
Retailer 10$11,461 AUD
Retailer 3$11,517 AUD
Retailer 16$11,596 AUD
Retailer 5$12,271 AUD
Retailer 7$12,271 AUD
Retailer 6$12,684 AUD
Retailer 2$13,381 AUD
Retailer 15$13,490 AUD
Retailer 11$15,048 AUD
Retailer 13$16,778 AUD
MOH London$17,071 AUD

30 data points across 16 retailers

18 retailers$10,236 AUD to $17,071 AUD

B+
Cheapest Retailer
-
$10,236 AUD
$7,190 USD
B+
Retailer 2
-
$10,243 AUD
$7,195 USD
View
B+
Retailer 3
-
$10,243 AUD
$7,195 USD
View
Final sale: no returns
B+
Retailer 4
-
$10,911 AUD
$7,664 USD
View
B+
Retailer 5
-
$11,289 AUD
$7,930 USD
View
B+
Retailer 6
-
$11,412 AUD
£6,312 GBP
View
B+
Retailer 7
-
$11,461 AUD
£6,339 GBP
View
B+
Retailer 8
-
$11,517 AUD
$8,090 USD
View
Retailer 9
-
$11,596 AUD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
$12,271 AUD
$8,620 USD
View
B+
Retailer 11
-
$12,271 AUD
$8,620 USD
View
B+
Retailer 12
-
$12,583 AUD
View
B+
Retailer 13
-
$12,684 AUD
$8,910 USD
View
B+
Retailer 14
-
$13,381 AUD
€8,952 EUR
View
Retailer 15
-
$13,490 AUD
$9,476 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$15,048 AUD
ZAR 170,767 ZAR
View
B
Retailer 17
-
$16,778 AUD
£9,280 GBP
View
Most Expensive
B
MOH London
5FA99496B · Nov 1
$17,071 AUD
£9,442 GBP
View
17 more retailers have this diamond
Prices start from $10,236 AUDSave up to $6,835 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
$10,236 AUD