CaratHunter
Plans
Cushion|Natural|GIA

0.90ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 1555245420

Certificate GIA 1555245420

Diamond specifications and retailer prices

From $1,522 NZD
HK$6,700 HKD
As of October 29, 2026
Save $2,081 NZD (58%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,603 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 0.9ct natural cushion diamond

This 0.9ct natural cushion sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555245420. Listed at 14 retailers as of October 29, 2026, with prices from $1,522 to $3,603, a $2,081 spread on the same certified stone. MOH London lists it at $3,603. 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

0.90
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle34.9°
OriginNatural
Grading LabGIA
CertificateGIA 1555245420
Dimensions5.82 × 5.55 × 3.61 mm
L/W Ratio1.05
Top View
5.82 mm5.55 mm0.90 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555245420
Side View
Table 66.0%Crown 34.3°Girdle: THN-THKPavilion 34.9°Culet: NoneDepth 65.1%

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: Oct 29
Current: $3,603 NZD|Low: $1,522 NZD|High: $3,779 NZD|Avg: $2,295 NZD|-4.7%
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
October 30, 2026
Retailer 11$1,522 NZD
Retailer 9$1,636 NZD
Retailer 3$1,836 NZD
Retailer 10$1,893 NZD
Retailer 4$1,936 NZD
Retailer 12$2,005 NZD
Retailer 13$2,147 NZD
Retailer 7$2,218 NZD
Retailer 8$2,230 NZD
Retailer 5$2,236 NZD
Retailer 2$2,449 NZD
Retailer 6$2,812 NZD
Retailer 14$2,849 NZD
MOH London$3,603 NZD

31 data points across 14 retailers

14 retailers$1,522 NZD to $3,603 NZD

A
Cheapest Retailer
-
$1,522 NZD
HK$6,700 HKD
A
Retailer 2
-
$1,636 NZD
$922 USD
View
Final sale: no returns
A
Retailer 3
-
$1,836 NZD
$1,035 USD
View
A
Retailer 4
-
$1,893 NZD
$1,067 USD
View
A
Retailer 5
-
$1,936 NZD
$1,091 USD
View
A
Retailer 6
-
$2,005 NZD
$1,130 USD
View
A
Retailer 7
-
$2,147 NZD
$1,210 USD
View
A
Retailer 8
-
$2,218 NZD
$1,250 USD
View
A
Retailer 9
-
$2,230 NZD
£990 GBP
View
A
Retailer 10
-
$2,236 NZD
$1,260 USD
View
A
Retailer 11
-
$2,449 NZD
$1,380 USD
View
Retailer 12
-
$2,812 NZD
A$2,439 AUD
View
Price last confirmed 29 days ago
A
Retailer 13
-
$2,849 NZD
€1,529 EUR
View
Most Expensive
B+
MOH London
59727E12C · Oct 29
$3,603 NZD
£1,599 GBP
View
13 more retailers have this diamond
Prices start from $1,522 NZDSave up to $2,081 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
0.90ct Cushion
$1,522 NZD