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Cushion|Natural|GIA

0.90ct I SI1 Cushion Natural Diamond

EX • I/SI1 • GIA 6555162739

Certificate GIA 6555162739

Diamond specifications and retailer prices

From €765 EUR
HK$6,700 HKD
As of November 1, 2026
Save €1,078 EUR (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,842 EUR at MOH London · As of November 2, 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 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 6555162739. Listed at 15 retailers as of November 1, 2026, with prices from €765 to €1,842, a €1,078 spread on the same certified stone. MOH London lists it at €1,842. 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
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555162739
Dimensions5.71 × 5.46 × 3.65 mm
L/W Ratio1.05
Top View
5.71 mm5.46 mm0.90 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6555162739
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.9%

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: €1,842 EUR|Low: €765 EUR|High: €1,922 EUR|Avg: €1,225 EUR|-4.1%
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
November 2, 2026
Retailer 8€765 EUR
Retailer 11€927 EUR
Retailer 10€980 EUR
Retailer 7€1,036 EUR
Retailer 13€1,052 EUR
Retailer 5€1,080 EUR
Retailer 6€1,147 EUR
Retailer 9€1,196 EUR
Retailer 4€1,212 EUR
Retailer 2€1,408 EUR
Retailer 12€1,496 EUR
Retailer 3€1,611 EUR
MOH London€1,842 EUR

26 data points across 13 retailers

15 retailers€765 EUR to €1,842 EUR

A
Cheapest Retailer
-
€765 EUR
HK$6,700 HKD
B+
Retailer 2
-
€927 EUR
$1,040 USD
View
Final sale: no returns
A
Retailer 3
-
€980 EUR
View
A
Retailer 4
-
€1,036 EUR
$1,162 USD
View
A
Retailer 5
-
€1,052 EUR
$1,180 USD
View
Retailer 6
-
€1,080 EUR
SGD 1,637 SGD
View
Price last confirmed 10 days ago
A
Retailer 7
-
€1,147 EUR
£1,013 GBP
View
A
Retailer 8
-
€1,196 EUR
$1,341 USD
View
A
Retailer 9
-
€1,212 EUR
$1,359 USD
View
Retailer 10
-
€1,355 EUR
A$2,339 AUD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
€1,367 EUR
A$2,358 AUD
View
B+
Retailer 12
-
€1,408 EUR
View
B+
Retailer 13
-
€1,496 EUR
ZAR 27,105 ZAR
View
Retailer 14
-
€1,611 EUR
$1,807 USD
View
Price last confirmed 10 days ago
Most Expensive
B+
MOH London
157E34199 · Nov 2
€1,842 EUR
£1,627 GBP
View
14 more retailers have this diamond
Prices start from €765 EURSave up to €1,078 EUR

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
€765 EUR