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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 1565218699

Certificate GIA 1565218699

Diamond specifications and retailer prices

From $7,614 AUD
₹508,164 INR
As of November 2, 2026
Save $2,817 AUD (27%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,431 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565218699. Listed at 11 retailers as of October 30, 2026, with prices from $7,614 to $10,431, a $2,817 spread on the same certified stone. Reve Diamonds lists it at $10,431. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1565218699
Dimensions8.17 × 5.85 × 3.83 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
8.17 mm5.85 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1565218699
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.4%

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 2
Current: $9,659 AUD|Low: $7,614 AUD|High: $10,431 AUD|Avg: $9,049 AUD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 3, 2026
Retailer 4$7,614 AUD
Retailer 2$8,132 AUD
Retailer 7$8,264 AUD
Retailer 3$8,521 AUD
Retailer 8$8,784 AUD
Retailer 6$9,022 AUD
Retailer 10$9,416 AUD
Retailer 9$9,641 AUD
Retailer 1$9,659 AUD
Retailer 5$10,393 AUD
Reve Diamonds$10,431 AUD

5 data points across 11 retailers

11 retailers$7,614 AUD to $10,431 AUD

A
Cheapest Retailer
-
$7,614 AUD
₹508,164 INR
B+
Retailer 2
-
$8,132 AUD
$5,699 USD
View
Final sale: no returns
B+
Retailer 3
-
$8,264 AUD
View
B+
Retailer 4
-
$8,521 AUD
$5,972 USD
View
B+
Retailer 5
-
$8,784 AUD
$6,156 USD
View
B+
Retailer 6
-
$9,022 AUD
$6,323 USD
View
B+
Retailer 7
-
$9,416 AUD
$6,599 USD
View
B+
Retailer 8
-
$9,641 AUD
£5,320 GBP
View
B+
Retailer 9
-
$9,659 AUD
£5,330 GBP
View
B
Retailer 10
-
$10,393 AUD
€6,937 EUR
View
Most Expensive
B
Reve Diamonds
382114F27 · Oct 30
$10,431 AUD
$7,310 USD
View
10 more retailers have this diamond
Prices start from $7,614 AUDSave up to $2,817 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
$7,614 AUD