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Cushion|Natural|GIA

1.51ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 3555043112

Certificate GIA 3555043112

Diamond specifications and retailer prices

From $3,785 AUD
₹253,248 INR
As of October 29, 2026
Save $1,246 AUD (25%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,031 AUD at GemTrove · As of October 29, 2026
View at GemTrove

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded E 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 3555043112. Listed at 8 retailers as of October 29, 2026, with prices from $3,785 to $5,031, a $1,246 spread on the same certified stone. GemTrove lists it at $5,031. 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

1.51
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555043112
Dimensions6.39 × 6.12 × 4.34 mm
L/W Ratio1.04
Top View
6.39 mm6.12 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555043112
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.9%

Caratlytics Score

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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: Oct 29
Current: $4,203 AUD|Low: $3,499 AUD|High: $5,040 AUD|Avg: $4,111 AUD|-6.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2$3,785 AUD
Retailer 3$3,877 AUD
Retailer 4$3,920 AUD
Retailer 6$3,977 AUD
Retailer 1$4,203 AUD
Retailer 5$4,568 AUD

46 data points across 6 retailers

8 retailers$3,785 AUD to $5,031 AUD

A
Cheapest Retailer
-
$3,785 AUD
₹253,248 INR
A
Retailer 2
-
$3,877 AUD
$2,724 USD
View
A
Retailer 3
-
$3,920 AUD
$2,754 USD
View
Final sale: no returns
A
Retailer 4
-
$3,977 AUD
MYR 11,381 MYR
View
A
Retailer 5
-
$4,203 AUD
£2,325 GBP
View
A
Retailer 6
-
$4,568 AUD
SGD 4,337 SGD
View
A
Retailer 7
-
$4,781 AUD
View
Most Expensive
A
GemTrove
GT-N-00967728-98 · Oct 29
$5,031 AUD
View
7 more retailers have this diamond
Prices start from $3,785 AUDSave up to $1,246 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
1.51ct Cushion
$3,785 AUD