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Cushion|Natural|GIA

1.00ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2231437679

Certificate GIA 2231437679

Diamond specifications and retailer prices

From €2,679 EUR
$2,993 USD
As of October 26, 2026
Save €2,575 EUR (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €5,254 EUR at MOH London · As of October 25, 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 2231437679. Listed at 15 retailers as of October 25, 2026, with prices from €2,679 to €5,254, a €2,575 spread on the same certified stone. MOH London lists it at €5,254. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2231437679
Dimensions8.09 × 5.21 × 3.31 mm
L/W Ratio1.55
Cert comments
NO BGM-Additional clouds are not shown.
Key to symbols
Cloud, Indented Natural
Top View
8.09 mm5.21 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231437679
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.5%

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: Oct 26
Current: €5,254 EUR|Low: €2,352 EUR|High: €5,310 EUR|Avg: €3,281 EUR|-1.0%
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 1, 2026
Retailer 8€2,360 EUR
Retailer 4€2,679 EUR
Retailer 12€2,785 EUR
Retailer 9€2,896 EUR
Retailer 3€3,021 EUR
Retailer 7€3,069 EUR
Retailer 10€3,137 EUR
Retailer 2€3,279 EUR
Retailer 11€3,364 EUR
Retailer 6€3,673 EUR
Retailer 5€3,856 EUR
MOH London€5,254 EUR

34 data points across 12 retailers

15 retailers€2,679 EUR to €5,254 EUR

Retailer 1
-
€2,360 EUR
₹251,089 INR
Price last confirmed 9 days ago
Retailer 2
-
€2,573 EUR
$2,875 USD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
€2,679 EUR
$2,993 USD
View
B+
Retailer 4
-
€2,785 EUR
$3,111 USD
View
B+
Retailer 5
-
€2,896 EUR
$3,235 USD
View
Final sale: no returns
B+
Retailer 6
-
€3,021 EUR
$3,375 USD
View
B+
Retailer 7
-
€3,069 EUR
£2,700 GBP
View
Retailer 8
-
€3,137 EUR
$3,505 USD
View
Price last confirmed 24 days ago
B
Retailer 9
-
€3,267 EUR
$3,650 USD
View
B+
Retailer 10
-
€3,279 EUR
£2,884 GBP
View
Retailer 11
-
€3,364 EUR
A$5,782 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
€3,436 EUR
$3,839 USD
View
B
Retailer 13
-
€3,673 EUR
View
B
Retailer 14
-
€3,856 EUR
ZAR 69,599 ZAR
View
Most Expensive
B
MOH London
83D39CF69 · Oct 25
€5,254 EUR
£4,622 GBP
View
14 more retailers have this diamond
Prices start from €2,679 EURSave up to €2,575 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
€2,679 EUR