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Cushion|Natural|GIA

1.51ct H SI2 Cushion Natural Diamond

GD • H/SI2 • GIA 2396444178

Certificate GIA 2396444178

Diamond specifications and retailer prices

From $4,444 AUD
$3,114 USD
As of October 31, 2026
Save $5,224 AUD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,668 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2396444178. Listed at 15 retailers as of October 31, 2026, with prices from $4,444 to $9,668, a $5,224 spread on the same certified stone. MOH London lists it at $9,668. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
H
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2396444178
Dimensions6.49 × 6.37 × 4.37 mm
L/W Ratio1.02
Top View
6.49 mm6.37 mm1.51 ctH / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2396444178
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.7%

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: Oct 31
Current: $9,668 AUD|Low: $4,179 AUD|High: $9,786 AUD|Avg: $5,649 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10$4,444 AUD
Retailer 8$4,545 AUD
Retailer 4$4,716 AUD
Retailer 6$4,834 AUD
Retailer 9$5,053 AUD
Retailer 5$5,238 AUD
Retailer 7$5,593 AUD
Retailer 3$5,914 AUD
Retailer 2$6,541 AUD
MOH London$9,668 AUD

42 data points across 10 retailers

15 retailers$4,444 AUD to $9,668 AUD

B+
Cheapest Retailer
-
$4,444 AUD
$3,114 USD
B+
Retailer 2
-
$4,545 AUD
$3,185 USD
View
B+
Retailer 3
-
$4,556 AUD
$3,193 USD
View
B+
Retailer 4
-
$4,649 AUD
$3,258 USD
View
B+
Retailer 5
-
$4,716 AUD
$3,305 USD
View
B+
Retailer 6
-
$4,749 AUD
$3,328 USD
View
B+
Retailer 7
-
$4,834 AUD
$3,388 USD
View
Final sale: no returns
B+
Retailer 8
-
$5,053 AUD
$3,541 USD
View
B+
Retailer 9
-
$5,238 AUD
$3,671 USD
View
B+
Retailer 10
-
$5,593 AUD
$3,920 USD
View
B+
Retailer 11
-
$5,914 AUD
£3,264 GBP
View
B+
Retailer 12
-
$6,541 AUD
€4,366 EUR
View
Retailer 13
-
$6,545 AUD
$4,587 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$8,356 AUD
$5,856 USD
View
Most Expensive
B
MOH London
E0B7EABAD · Nov 1
$9,668 AUD
£5,335 GBP
View
14 more retailers have this diamond
Prices start from $4,444 AUDSave up to $5,224 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+
1.51ct Cushion
$4,444 AUD