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Cushion|Natural|GIA

1.56ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 3545803497

Certificate GIA 3545803497

Diamond specifications and retailer prices

From $3,340 SGD
$2,612 USD
As of October 31, 2026
Save $4,345 SGD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,686 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.56ct natural cushion diamond

This 1.56ct 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 3545803497. Listed at 17 retailers as of October 31, 2026, with prices from $3,340 to $7,686, a $4,345 spread on the same certified stone. MOH London lists it at $7,686. 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

1.56
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle36.1°
OriginNatural
Grading LabGIA
CertificateGIA 3545803497
Dimensions6.72 × 6.52 × 4.45 mm
L/W Ratio1.03
Top View
6.72 mm6.52 mm1.56 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545803497
Side View
Table 61.0%Crown 38.9°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 68.2%

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: Oct 31
Current: $7,686 SGD|Low: $3,314 SGD|High: $7,728 SGD|Avg: $4,606 SGD|-0.1%
MOH London
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
November 2, 2026
Retailer 7$3,340 SGD
Retailer 11$3,487 SGD
Retailer 12$3,692 SGD
Retailer 4$3,838 SGD
Retailer 6$3,843 SGD
Retailer 16$4,159 SGD
Retailer 2$4,374 SGD
Retailer 13$4,387 SGD
Retailer 15$4,387 SGD
Retailer 14$4,540 SGD
Retailer 10$4,803 SGD
Retailer 8$4,883 SGD
Retailer 3$5,208 SGD
Retailer 9$5,381 SGD
Retailer 5$5,456 SGD
MOH London$7,686 SGD

35 data points across 16 retailers

17 retailers$3,340 SGD to $7,686 SGD

A
Cheapest Retailer
-
$3,340 SGD
$2,612 USD
A
Retailer 2
-
$3,487 SGD
HK$21,300 HKD
View
A
Retailer 3
-
$3,692 SGD
$2,887 USD
View
A
Retailer 4
-
$3,834 SGD
A$4,613 AUD
View
A
Retailer 5
-
$3,838 SGD
$3,001 USD
View
A
Retailer 6
-
$3,843 SGD
$3,005 USD
View
Final sale: no returns
A
Retailer 7
-
$4,159 SGD
$3,252 USD
View
Retailer 8
-
$4,374 SGD
$3,420 USD
View
A
Retailer 9
-
$4,387 SGD
$3,430 USD
View
A
Retailer 10
-
$4,387 SGD
$3,430 USD
View
A
Retailer 11
-
$4,540 SGD
$3,550 USD
View
A
Retailer 12
-
$4,803 SGD
£2,957 GBP
View
Retailer 13
-
$4,883 SGD
A$5,874 AUD
View
Price last confirmed 24 days ago
Retailer 14
-
$5,208 SGD
$4,072 USD
View
Price last confirmed 10 days ago
A
Retailer 15
-
$5,381 SGD
€4,007 EUR
View
A
Retailer 16
-
$5,456 SGD
$4,266 USD
View
Most Expensive
B+
MOH London
A69B50BB8 · Nov 1
$7,686 SGD
£4,732 GBP
View
16 more retailers have this diamond
Prices start from $3,340 SGDSave up to $4,345 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
1.56ct Cushion
$3,340 SGD