Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 5232982585

Certificate GIA 5232982585

Diamond specifications and retailer prices

From $2,960 AUD
$2,079 USD
As of November 1, 2026
Save $1,368 AUD (32%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,328 AUD at Jared · As of October 30, 2026
View at Jared

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5232982585. Listed at 6 retailers as of October 30, 2026, with prices from $2,960 to $4,328, a $1,368 spread on the same certified stone. Jared lists it at $4,328. 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
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5232982585
Dimensions7.90 × 6.08 × 4.06 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
7.90 mm6.08 mm1.51 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5232982585
Side View
Table 65.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.8%

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 1
Current: $4,328 AUD|Low: $2,960 AUD|High: $6,191 AUD|Avg: $4,030 AUD|-9.3%
Jared
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
October 29, 2026
Retailer 11$2,960 AUD
Retailer 4$3,025 AUD
Retailer 16$3,234 AUD
Retailer 7$3,327 AUD
Retailer 3$3,568 AUD
Retailer 5$3,641 AUD
Retailer 15$3,740 AUD
Retailer 17$3,850 AUD
Retailer 18$3,915 AUD
Retailer 10$3,976 AUD
Retailer 2$3,980 AUD
Retailer 6$4,122 AUD
Retailer 12$4,200 AUD
Retailer 13$4,200 AUD
Jared$4,328 AUD
Retailer 14$4,589 AUD
Retailer 8$4,731 AUD
Retailer 9$6,191 AUD

17 data points across 18 retailers

6 retailers$2,960 AUD to $4,328 AUD

A
Cheapest Retailer
-
$2,960 AUD
$2,079 USD
A
Retailer 2
-
$3,740 AUD
$2,627 USD
View
Final sale: no returns
A
Retailer 3
-
$3,980 AUD
$2,796 USD
View
A
Retailer 4
-
$4,200 AUD
$2,950 USD
View
A
Retailer 5
-
$4,200 AUD
$2,950 USD
View
Most Expensive
A
Jared
159497719 · Oct 30
$4,328 AUD
$3,040 USD
View
5 more retailers have this diamond
Prices start from $2,960 AUDSave up to $1,368 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
$2,960 AUD