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Cushion|Natural|GIA

1.00ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6561091209

Certificate GIA 6561091209

Diamond specifications and retailer prices

From €2,531 EUR
$2,828 USD
As of November 1, 2026
Save €2,195 EUR (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,727 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic one-carat band, graded D 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 6561091209. Listed at 14 retailers as of November 1, 2026, with prices from €2,531 to €4,727, a €2,195 spread on the same certified stone. MOH London lists it at €4,727. 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

1.00
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561091209
Dimensions5.60 × 5.47 × 3.77 mm
L/W Ratio1.02
Top View
5.60 mm5.47 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6561091209
Side View
Table 64.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €4,727 EUR|Low: €2,391 EUR|High: €4,784 EUR|Avg: €3,018 EUR|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12€2,531 EUR
Retailer 9€2,533 EUR
Retailer 10€2,576 EUR
Retailer 4€2,581 EUR
Retailer 8€2,582 EUR
Retailer 11€2,608 EUR
Retailer 2€2,757 EUR
Retailer 6€2,953 EUR
Retailer 3€3,019 EUR
Retailer 5€3,307 EUR
Retailer 7€3,474 EUR
MOH London€4,727 EUR

36 data points across 12 retailers

14 retailers€2,531 EUR to €4,727 EUR

B+
Cheapest Retailer
-
€2,531 EUR
$2,828 USD
B+
Retailer 2
-
€2,533 EUR
$2,830 USD
View
B+
Retailer 3
-
€2,576 EUR
$2,878 USD
View
B+
Retailer 4
-
€2,581 EUR
$2,883 USD
View
B+
Retailer 5
-
€2,582 EUR
$2,885 USD
View
B+
Retailer 6
-
€2,608 EUR
$2,914 USD
View
Final sale: no returns
B+
Retailer 7
-
€2,757 EUR
£2,425 GBP
View
B+
Retailer 8
-
€2,931 EUR
SGD 4,425 SGD
View
B+
Retailer 9
-
€2,953 EUR
£2,598 GBP
View
B+
Retailer 10
-
€2,954 EUR
$3,301 USD
View
Retailer 11
-
€3,019 EUR
A$5,189 AUD
View
Price last confirmed 25 days ago
B
Retailer 12
-
€3,307 EUR
View
B
Retailer 13
-
€3,474 EUR
ZAR 62,697 ZAR
View
Most Expensive
B
MOH London
D9960B846 · Nov 1
€4,727 EUR
£4,158 GBP
View
13 more retailers have this diamond
Prices start from €2,531 EURSave up to €2,195 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.

B+
1.00ct Cushion
€2,531 EUR