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Cushion|Natural|GIA

1.51ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 5232739201

Certificate GIA 5232739201

Diamond specifications and retailer prices

From $5,952 AUD
$4,171 USD
As of November 2, 2026
Save $6,628 AUD (53%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $12,580 AUD at MOH London · As of October 29, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5232739201. Listed at 24 retailers as of October 29, 2026, with prices from $5,952 to $12,580, a $6,628 spread on the same certified stone. MOH London lists it at $12,580. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Pavilion angle36.05°
OriginNatural
Grading LabGIA
CertificateGIA 5232739201
Dimensions7.84 × 5.99 × 4.06 mm
L/W Ratio1.31
Top View
7.84 mm5.99 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5232739201
Side View
Table 62.0%CrownGirdle: STK-THKPavilion 36.05°Culet: NDepth 67.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $12,580 AUD|Low: $5,689 AUD|High: $12,663 AUD|Avg: $7,935 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 11$5,952 AUD
Retailer 7$6,568 AUD
Retailer 6$6,625 AUD
Retailer 3$6,699 AUD
Retailer 9$7,117 AUD
Retailer 10$7,346 AUD
Retailer 4$7,665 AUD
Retailer 8$7,869 AUD
Retailer 2$8,888 AUD
Retailer 5$9,657 AUD
MOH London$12,580 AUD

44 data points across 11 retailers

24 retailers$5,952 AUD to $12,580 AUD

B+
Cheapest Retailer
-
$5,952 AUD
$4,171 USD
B+
Retailer 2
-
$6,137 AUD
$4,301 USD
View
B+
Retailer 3
-
$6,207 AUD
$4,350 USD
View
Retailer 4
-
$6,257 AUD
$4,385 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$6,283 AUD
$4,403 USD
View
B
Retailer 6
-
$6,480 AUD
View
B
Retailer 7
-
$6,568 AUD
$4,603 USD
View
Final sale: no returns
B
Retailer 8
-
$6,625 AUD
$4,643 USD
View
B
Retailer 9
-
$6,699 AUD
$4,695 USD
View
B
Retailer 10
-
$7,052 AUD
$4,942 USD
View
B
Retailer 11
-
$7,117 AUD
$4,988 USD
View
B
Retailer 12
-
$7,307 AUD
View
B
Retailer 13
-
$7,322 AUD
CA$7,127 CAD
View
B
Retailer 14
-
$7,346 AUD
$5,148 USD
View
B
Retailer 15
-
$7,665 AUD
£4,230 GBP
View
B
Retailer 16
-
$7,819 AUD
$5,480 USD
View
B
Retailer 17
-
$7,819 AUD
$5,480 USD
View
Retailer 18
-
$7,869 AUD
View
Price last confirmed 23 days ago
B
Retailer 19
-
$8,065 AUD
$5,652 USD
View
B
Retailer 20
-
$8,076 AUD
$5,660 USD
View
Retailer 21
-
$8,670 AUD
$6,076 USD
View
Price last confirmed 10 days ago
B
Retailer 22
-
$8,888 AUD
€5,932 EUR
View
B
Retailer 23
-
$9,657 AUD
ZAR 109,332 ZAR
View
Most Expensive
B
MOH London
3875FE8C0 · Oct 29
$12,580 AUD
£6,942 GBP
View
23 more retailers have this diamond
Prices start from $5,952 AUDSave up to $6,628 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.

B+
1.51ct Cushion
$5,952 AUD