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Cushion|Natural|GIA

1.51ct E SI2 Cushion Natural Diamond

EX • E/SI2 • GIA 7438176186

Certificate GIA 7438176186

Diamond specifications and retailer prices

From $9,067 AUD
$6,370 USD
As of October 28, 2026
Save $3,402 AUD (27%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,469 AUD at Jared · As of October 28, 2026
View at Jared

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 7438176186. Listed at 17 retailers as of October 28, 2026, with prices from $9,067 to $12,469, a $3,402 spread on the same certified stone. Jared lists it at $12,469. 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
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7438176186
Dimensions6.49 × 6.13 × 4.06 mm
L/W Ratio1.06
Top View
6.49 mm6.13 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7438176186
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.2%

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: Oct 28
Current: $12,469 AUD|Low: $9,067 AUD|High: $12,864 AUD|Avg: $11,061 AUD
Jared
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
October 30, 2026
Retailer 9$9,067 AUD
Retailer 12$9,477 AUD
Retailer 15$9,666 AUD
Retailer 14$10,151 AUD
Retailer 6$10,413 AUD
Retailer 7$10,494 AUD
Retailer 16$10,717 AUD
Retailer 10$10,852 AUD
Retailer 11$11,317 AUD
Retailer 2$11,426 AUD
Retailer 13$11,656 AUD
Retailer 4$12,070 AUD
Retailer 5$12,070 AUD
Retailer 8$12,173 AUD
Jared$12,469 AUD
Retailer 3$12,864 AUD

39 data points across 16 retailers

17 retailers$9,067 AUD to $12,469 AUD

A
Cheapest Retailer
-
$9,067 AUD
$6,370 USD
B+
Retailer 2
-
$9,477 AUD
$6,658 USD
View
B+
Retailer 3
-
$9,810 AUD
$6,892 USD
View
B+
Retailer 4
-
$9,845 AUD
View
B+
Retailer 5
-
$10,026 AUD
$7,044 USD
View
B+
Retailer 6
-
$10,151 AUD
$7,131 USD
View
B+
Retailer 7
-
$10,413 AUD
$7,316 USD
View
B+
Retailer 8
-
$10,494 AUD
CA$10,240 CAD
View
B+
Retailer 9
-
$10,717 AUD
$7,529 USD
View
B+
Retailer 10
-
$10,852 AUD
SGD 10,303 SGD
View
B
Retailer 11
-
$11,317 AUD
$7,951 USD
View
B+
Retailer 12
-
$11,426 AUD
£6,321 GBP
View
B
Retailer 13
-
$11,656 AUD
View
B+
Retailer 14
-
$12,070 AUD
$8,480 USD
View
B+
Retailer 15
-
$12,070 AUD
$8,480 USD
View
B
Retailer 16
-
$12,173 AUD
$8,552 USD
View
Most Expensive
B
Jared
144748612 · Oct 28
$12,469 AUD
$8,760 USD
View
16 more retailers have this diamond
Prices start from $9,067 AUDSave up to $3,402 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
$9,067 AUD