Cushion|Natural|GIA

1.51ct E IF Cushion Natural Diamond

EX • E/IF • GIA 2508851116

Certificate GIA 2508851116

Diamond specifications and retailer prices

From $15,369 AUD
As of November 5, 2026
Save $9,405 AUD (38%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $24,775 AUD at MOH London · As of November 4, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2508851116. Listed at 15 retailers as of November 4, 2026, with prices from $15,369 to $24,775, a $9,405 spread on the same certified stone. MOH London lists it at $24,775. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2508851116
Dimensions7.30 × 5.98 × 4.00 mm
L/W Ratio1.22
Top View
7.30 mm5.98 mm1.51 ctE / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2508851116
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.9%

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: Nov 5
Current: $24,775 AUD|Low: $15,369 AUD|High: $27,888 AUD|Avg: $19,532 AUD|-11.2%
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
November 5, 2026
Retailer 9$15,369 AUD
Retailer 3$15,905 AUD
Retailer 11$16,656 AUD
Retailer 7$17,211 AUD
Retailer 12$17,785 AUD
Retailer 13$18,579 AUD
Retailer 4$18,713 AUD
Retailer 10$18,713 AUD
Retailer 2$18,985 AUD
Retailer 5$19,090 AUD
Retailer 14$19,092 AUD
Retailer 8$19,310 AUD
Retailer 6$19,328 AUD
MOH London$24,775 AUD

36 data points across 14 retailers

15 retailers$15,369 AUD to $24,775 AUD

A
Cheapest Retailer
-
$15,369 AUD
A
Retailer 2
-
$15,905 AUD
View
Final sale: no returns
A
Retailer 3
-
$16,656 AUD
View
A
Retailer 4
-
$17,211 AUD
View
A
Retailer 5
-
$17,785 AUD
View
B+
Retailer 6
-
$18,579 AUD
View
B+
Retailer 7
-
$18,713 AUD
View
B+
Retailer 8
-
$18,713 AUD
View
A
Retailer 9
-
$18,985 AUD
View
B+
Retailer 10
-
$19,090 AUD
View
B+
Retailer 11
-
$19,092 AUD
View
B+
Retailer 12
-
$19,310 AUD
View
B+
Retailer 13
-
$19,328 AUD
View
B+
Retailer 14
-
$19,389 AUD
View
Most Expensive
B+
MOH London
245F18C5C · Nov 4
$24,775 AUD
£13,656 GBP
View
14 more retailers have this diamond
Prices start from $15,369 AUDSave up to $9,405 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
$15,369 AUD