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Cushion|Natural|GIA

1.51ct F SI1 Cushion Natural Diamond

EX • F/SI1 • GIA 2245046175

Certificate GIA 2245046175

Diamond specifications and retailer prices

From $7,293 AUD
As of November 6, 2026
Save $7,937 AUD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,230 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded F 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 2245046175. Listed at 20 retailers as of November 6, 2026, with prices from $7,293 to $15,230, a $7,937 spread on the same certified stone. Wholesale Diamonds Direct lists it at $15,230. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2245046175
Dimensions7.78 × 5.98 × 4.10 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
7.78 mm5.98 mm1.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245046175
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.6%

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 6
Current: $10,505 AUD|Low: $7,207 AUD|High: $15,404 AUD|Avg: $9,899 AUD
Retailer 1
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
Retailer 17
Retailer 18
Wholesale Diamonds Direct
November 7, 2026
Retailer 10$7,293 AUD
Retailer 6$7,340 AUD
Retailer 18$7,832 AUD
Retailer 17$8,219 AUD
Retailer 9$8,264 AUD
Retailer 11$8,281 AUD
Retailer 2$8,339 AUD
Retailer 3$8,619 AUD
Retailer 4$8,631 AUD
Retailer 8$8,657 AUD
Retailer 14$9,051 AUD
Retailer 5$9,478 AUD
Retailer 12$10,202 AUD
Retailer 1$10,505 AUD
Retailer 15$10,739 AUD
Retailer 7$11,352 AUD
Retailer 16$12,059 AUD
Retailer 13$14,483 AUD
Wholesale Diamonds Direct$15,230 AUD

24 data points across 19 retailers

20 retailers$7,293 AUD to $15,230 AUD

A
Cheapest Retailer
-
$7,293 AUD
A
Retailer 2
-
$7,340 AUD
View
A
Retailer 3
-
$7,832 AUD
View
A
Retailer 4
-
$8,219 AUD
View
A
Retailer 5
-
$8,264 AUD
View
Final sale: no returns
B+
Retailer 6
-
$8,281 AUD
View
A
Retailer 7
-
$8,339 AUD
View
B+
Retailer 8
-
$8,619 AUD
View
B+
Retailer 9
-
$8,631 AUD
View
B+
Retailer 10
-
$8,657 AUD
View
B+
Retailer 11
-
$9,051 AUD
View
B+
Retailer 12
-
$9,478 AUD
View
Retailer 13
-
$10,108 AUD
View
Price last confirmed 34 days ago
B+
Retailer 14
-
$10,202 AUD
View
B+
Retailer 15
-
$10,505 AUD
View
B+
Retailer 16
-
$10,739 AUD
View
B+
Retailer 17
-
$11,352 AUD
View
B+
Retailer 18
-
$12,059 AUD
View
B
Retailer 19
-
$14,483 AUD
View
Most Expensive
B
Wholesale Diamonds Direct
625970456 · Nov 6
$15,230 AUD
$10,464 USD
View
19 more retailers have this diamond
Prices start from $7,293 AUDSave up to $7,937 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
$7,293 AUD