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Cushion|Natural|GIA

1.60ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 1236820956

Certificate GIA 1236820956

Diamond specifications and retailer prices

From $3,520 SGD
HK$21,500 HKD
As of November 1, 2026
Save $4,444 SGD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,963 SGD at MOH London · As of November 2, 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 1236820956. Listed at 10 retailers as of November 1, 2026, with prices from $3,520 to $7,963, a $4,444 spread on the same certified stone. MOH London lists it at $7,963. 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
Pavilion angle35.85°
OriginNatural
Grading LabGIA
CertificateGIA 1236820956
Dimensions7.74 × 5.97 × 4.16 mm
L/W Ratio1.30
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.74 mm5.97 mm1.60 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1236820956
Side View
Table 66.0%CrownGirdle: STK-VTKPavilion 35.85°Culet: NoneDepth 69.8%

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: $7,963 SGD|Low: $3,487 SGD|High: $8,059 SGD|Avg: $5,061 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5$3,520 SGD
Retailer 2$4,170 SGD
Retailer 8$4,303 SGD
Retailer 3$4,519 SGD
Retailer 6$4,719 SGD
Retailer 9$4,896 SGD
Retailer 7$5,117 SGD
Retailer 4$5,768 SGD
MOH London$7,963 SGD

40 data points across 9 retailers

10 retailers$3,520 SGD to $7,963 SGD

A
Cheapest Retailer
-
$3,520 SGD
HK$21,500 HKD
A
Retailer 2
-
$4,170 SGD
€3,106 EUR
View
A
Retailer 3
-
$4,303 SGD
$3,365 USD
View
A
Retailer 4
-
$4,519 SGD
£2,782 GBP
View
A
Retailer 5
-
$4,719 SGD
$3,690 USD
View
Final sale: no returns
A
Retailer 6
-
$4,820 SGD
A$5,798 AUD
View
A
Retailer 7
-
$4,896 SGD
View
A
Retailer 8
-
$5,117 SGD
$4,001 USD
View
A
Retailer 9
-
$5,768 SGD
€4,295 EUR
View
Most Expensive
B+
MOH London
605FA1820 · Nov 2
$7,963 SGD
£4,903 GBP
View
9 more retailers have this diamond
Prices start from $3,520 SGDSave up to $4,444 SGD

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
$3,520 SGD