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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 $4,634 NZD
$2,612 USD
As of October 31, 2026
Save $6,028 NZD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,663 NZD 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 $4,634 to $10,663, a $6,028 spread on the same certified stone. MOH London lists it at $10,663. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $10,663 NZD|Low: $4,597 NZD|High: $10,721 NZD|Avg: $6,390 NZD|-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$4,634 NZD
Retailer 11$4,837 NZD
Retailer 12$5,122 NZD
Retailer 4$5,325 NZD
Retailer 6$5,332 NZD
Retailer 16$5,770 NZD
Retailer 2$6,068 NZD
Retailer 13$6,086 NZD
Retailer 15$6,086 NZD
Retailer 14$6,299 NZD
Retailer 10$6,664 NZD
Retailer 8$6,775 NZD
Retailer 3$7,225 NZD
Retailer 9$7,465 NZD
Retailer 5$7,569 NZD
MOH London$10,663 NZD

35 data points across 16 retailers

17 retailers$4,634 NZD to $10,663 NZD

A
Cheapest Retailer
-
$4,634 NZD
$2,612 USD
A
Retailer 2
-
$4,837 NZD
HK$21,300 HKD
View
A
Retailer 3
-
$5,122 NZD
$2,887 USD
View
A
Retailer 4
-
$5,320 NZD
A$4,613 AUD
View
A
Retailer 5
-
$5,325 NZD
$3,001 USD
View
A
Retailer 6
-
$5,332 NZD
$3,005 USD
View
Final sale: no returns
A
Retailer 7
-
$5,770 NZD
$3,252 USD
View
Retailer 8
-
$6,068 NZD
$3,420 USD
View
A
Retailer 9
-
$6,086 NZD
$3,430 USD
View
A
Retailer 10
-
$6,086 NZD
$3,430 USD
View
A
Retailer 11
-
$6,299 NZD
$3,550 USD
View
A
Retailer 12
-
$6,664 NZD
£2,957 GBP
View
Retailer 13
-
$6,775 NZD
A$5,874 AUD
View
Price last confirmed 24 days ago
Retailer 14
-
$7,225 NZD
$4,072 USD
View
Price last confirmed 10 days ago
A
Retailer 15
-
$7,465 NZD
€4,007 EUR
View
A
Retailer 16
-
$7,569 NZD
$4,266 USD
View
Most Expensive
B+
MOH London
A69B50BB8 · Nov 1
$10,663 NZD
£4,732 GBP
View
16 more retailers have this diamond
Prices start from $4,634 NZDSave up to $6,028 NZD

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
$4,634 NZD