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Cushion|Natural|GIA

1.50ct L SI2 Cushion Natural Diamond

EX • L/SI2 • GIA 6541814164

Certificate GIA 6541814164

Diamond specifications and retailer prices

From $2,585 AUD
As of November 6, 2026
Save $1,712 AUD (40%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,296 AUD at Ritani · As of November 6, 2026
View at Ritani

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541814164. Listed at 8 retailers as of November 6, 2026, with prices from $2,585 to $4,296, a $1,712 spread on the same certified stone. Ritani lists it at $4,296. 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
L
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541814164
Dimensions8.25 × 5.66 × 3.92 mm
L/W Ratio1.46
Top View
8.25 mm5.66 mm1.50 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541814164
Side View
Table 60.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 69.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,585 AUD|Low: $2,585 AUD|High: $4,296 AUD|Avg: $3,506 AUD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Ritani
November 6, 2026
Retailer 1$2,585 AUD
Retailer 5$3,078 AUD
Retailer 4$3,407 AUD
Retailer 3$3,703 AUD
Retailer 2$4,231 AUD
Ritani$4,296 AUD

44 data points across 6 retailers

8 retailers$2,585 AUD to $4,296 AUD

A
Cheapest Retailer
-
$2,585 AUD
B+
Retailer 2
-
$3,078 AUD
View
B+
Retailer 3
-
$3,366 AUD
View
Retailer 4
-
$3,407 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$3,609 AUD
View
B+
Retailer 6
-
$3,703 AUD
View
B
Retailer 7
-
$4,231 AUD
View
Most Expensive
B
Ritani
D-5PY6PXUNX0 · Nov 6
$4,296 AUD
$2,952 USD
View
7 more retailers have this diamond
Prices start from $2,585 AUDSave up to $1,712 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
$2,585 AUD