Cushion|Natural|GIA

1.51ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 7562100168

Certificate GIA 7562100168

Diamond specifications and retailer prices

From $7,297 AUD
As of November 5, 2026
Save $5,375 AUD (42%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,672 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7562100168. Listed at 15 retailers as of November 4, 2026, with prices from $7,297 to $12,672, a $5,375 spread on the same certified stone. MOH London lists it at $12,672. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7562100168
Dimensions8.15 × 6.03 × 4.10 mm
L/W Ratio1.35
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
8.15 mm6.03 mm1.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7562100168
Side View
Table 66.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.0%

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: $12,672 AUD|Low: $7,297 AUD|High: $14,643 AUD|Avg: $9,373 AUD|-13.5%
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 6, 2026
Retailer 12$7,297 AUD
Retailer 13$7,522 AUD
Retailer 10$7,728 AUD
Retailer 6$7,859 AUD
Retailer 14$7,961 AUD
Retailer 5$7,995 AUD
Retailer 2$8,025 AUD
Retailer 9$8,329 AUD
Retailer 8$8,850 AUD
Retailer 3$9,098 AUD
Retailer 4$9,128 AUD
Retailer 7$9,370 AUD
Retailer 11$10,523 AUD
MOH London$12,672 AUD

22 data points across 14 retailers

15 retailers$7,297 AUD to $12,672 AUD

A
Cheapest Retailer
-
$7,297 AUD
A
Retailer 2
-
$7,522 AUD
View
A
Retailer 3
-
$7,728 AUD
View
Retailer 4
-
$7,859 AUD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$7,961 AUD
View
Final sale: no returns
A
Retailer 6
-
$7,995 AUD
View
A
Retailer 7
-
$8,025 AUD
View
A
Retailer 8
-
$8,329 AUD
View
A
Retailer 9
-
$8,850 AUD
View
A
Retailer 10
-
$9,098 AUD
View
Retailer 11
-
$9,128 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$9,370 AUD
View
B+
Retailer 13
-
$10,523 AUD
View
Retailer 14
-
$10,613 AUD
View
Price last confirmed 33 days ago
Most Expensive
B+
MOH London
6B645D139 · Nov 4
$12,672 AUD
£6,856 GBP
View
14 more retailers have this diamond
Prices start from $7,297 AUDSave up to $5,375 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
$7,297 AUD