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Cushion|Natural|GIA

1.00ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6515741822

Certificate GIA 6515741822

Diamond specifications and retailer prices

From €1,258 EUR
$1,406 USD
As of October 31, 2026
Save €1,409 EUR (53%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,667 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 6515741822. Listed at 14 retailers as of October 31, 2026, with prices from €1,258 to €2,667, a €1,409 spread on the same certified stone. Do Amore Diamonds lists it at €2,667. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6515741822
Dimensions5.75 × 5.54 × 3.71 mm
L/W Ratio1.04
Top View
5.75 mm5.54 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6515741822
Side View
Table 65.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €2,667 EUR|Low: €1,258 EUR|High: €3,115 EUR|Avg: €1,666 EUR|-14.4%
Do Amore Diamonds
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
November 1, 2026
Retailer 14€1,258 EUR
Retailer 6€1,328 EUR
Retailer 10€1,387 EUR
Retailer 3€1,399 EUR
Retailer 7€1,489 EUR
Retailer 12€1,531 EUR
Retailer 2€1,535 EUR
Retailer 11€1,584 EUR
Retailer 13€1,596 EUR
Retailer 4€1,629 EUR
Retailer 8€1,629 EUR
Retailer 9€1,683 EUR
Retailer 5€1,721 EUR
Do Amore Diamonds€2,667 EUR

39 data points across 14 retailers

14 retailers€1,258 EUR to €2,667 EUR

A
Cheapest Retailer
-
€1,258 EUR
$1,406 USD
Final sale: no returns
Retailer 2
-
€1,328 EUR
$1,483 USD
View
Price last confirmed 89 days ago
A
Retailer 3
-
€1,387 EUR
$1,550 USD
View
A
Retailer 4
-
€1,399 EUR
MYR 6,365 MYR
View
A
Retailer 5
-
€1,489 EUR
$1,664 USD
View
A
Retailer 6
-
€1,531 EUR
$1,710 USD
View
A
Retailer 7
-
€1,535 EUR
£1,350 GBP
View
A
Retailer 8
-
€1,584 EUR
$1,770 USD
View
A
Retailer 9
-
€1,596 EUR
SGD 2,410 SGD
View
A
Retailer 10
-
€1,629 EUR
$1,820 USD
View
A
Retailer 11
-
€1,629 EUR
$1,820 USD
View
A
Retailer 12
-
€1,683 EUR
$1,880 USD
View
A
Retailer 13
-
€1,721 EUR
A$2,958 AUD
View
Most Expensive
B+
Do Amore Diamonds
12-100760979997 · Oct 31
€2,667 EUR
$2,980 USD
View
13 more retailers have this diamond
Prices start from €1,258 EURSave up to €1,409 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
1.00ct Cushion
€1,258 EUR