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Cushion|Natural|GIA

1.51ct L SI2 Cushion Natural Diamond

EX • L/SI2 • GIA 1495789637

Certificate GIA 1495789637

Diamond specifications and retailer prices

From $2,626 AUD
As of November 6, 2026
Save $1,630 AUD (38%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,256 AUD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1495789637. Listed at 8 retailers as of November 6, 2026, with prices from $2,626 to $4,256, a $1,630 spread on the same certified stone. Yorxs lists it at $4,256. 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
L
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1495789637
Dimensions8.02 × 6.08 × 3.81 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
8.02 mm6.08 mm1.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1495789637
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,806 AUD|Low: $2,626 AUD|High: $4,320 AUD|Avg: $3,417 AUD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 6, 2026
Retailer 3$2,626 AUD
Retailer 1$2,806 AUD
Retailer 5$3,449 AUD
Retailer 4$3,628 AUD
Retailer 2$3,723 AUD
Yorxs$4,256 AUD

40 data points across 6 retailers

8 retailers$2,626 AUD to $4,256 AUD

A
Cheapest Retailer
-
$2,626 AUD
A
Retailer 2
-
$2,806 AUD
View
B+
Retailer 3
-
$3,327 AUD
View
Retailer 4
-
$3,449 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$3,564 AUD
View
B+
Retailer 6
-
$3,628 AUD
View
B+
Retailer 7
-
$3,723 AUD
View
Most Expensive
B
Yorxs
816CC273C · Nov 6
$4,256 AUD
€2,785 EUR
View
7 more retailers have this diamond
Prices start from $2,626 AUDSave up to $1,630 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
$2,626 AUD