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Cushion|Natural|GIA

1.60ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 2464120187

Certificate GIA 2464120187

Diamond specifications and retailer prices

From $5,205 AUD
$3,656 USD
As of November 2, 2026
Save $5,665 AUD (52%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,870 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.6ct natural cushion diamond

This 1.6ct natural cushion sits in the one-and-a-half to two carat band, graded I 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 2464120187. Listed at 20 retailers as of October 29, 2026, with prices from $5,205 to $10,870, a $5,665 spread on the same certified stone. MOH London lists it at $10,870. 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

1.60
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2464120187
Dimensions6.79 × 6.68 × 4.55 mm
L/W Ratio1.02
Top View
6.79 mm6.68 mm1.60 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2464120187
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.1%

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: $10,870 AUD|Low: $6,150 AUD|High: $10,942 AUD|Avg: $7,586 AUD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$6,150 AUD
Retailer 2$6,441 AUD
Retailer 8$6,509 AUD
Retailer 4$6,750 AUD
Retailer 7$6,843 AUD
Retailer 3$7,679 AUD
Retailer 5$8,344 AUD
MOH London$10,870 AUD

36 data points across 8 retailers

20 retailers$5,205 AUD to $10,870 AUD

A
Cheapest Retailer
-
$5,205 AUD
$3,656 USD
A
Retailer 2
-
$5,411 AUD
$3,801 USD
View
A
Retailer 3
-
$5,424 AUD
$3,810 USD
View
A
Retailer 4
-
$5,776 AUD
$4,057 USD
View
A
Retailer 5
-
$5,837 AUD
$4,100 USD
View
A
Retailer 6
-
$6,119 AUD
$4,298 USD
View
A
Retailer 7
-
$6,150 AUD
$4,320 USD
View
A
Retailer 8
-
$6,441 AUD
£3,562 GBP
View
A
Retailer 9
-
$6,509 AUD
$4,572 USD
View
A
Retailer 10
-
$6,516 AUD
$4,577 USD
View
A
Retailer 11
-
$6,750 AUD
£3,734 GBP
View
Retailer 12
-
$6,843 AUD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
$6,919 AUD
$4,860 USD
View
B+
Retailer 14
-
$6,919 AUD
$4,860 USD
View
B+
Retailer 15
-
$7,146 AUD
$5,020 USD
View
Retailer 16
-
$7,497 AUD
$5,266 USD
View
Price last confirmed 10 days ago
B+
Retailer 17
-
$7,679 AUD
€5,137 EUR
View
B+
Retailer 18
-
$8,344 AUD
ZAR 94,687 ZAR
View
B
Retailer 19
-
$9,822 AUD
$6,899 USD
View
Most Expensive
B
MOH London
DD8F12AAC · Oct 29
$10,870 AUD
£6,012 GBP
View
19 more retailers have this diamond
Prices start from $5,205 AUDSave up to $5,665 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
1.60ct Cushion
$5,205 AUD