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Cushion|Natural|GIA

1.00ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 1186397700

Certificate GIA 1186397700

Diamond specifications and retailer prices

From €1,043 EUR
$1,170 USD
As of October 31, 2026
Save €1,304 EUR (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,347 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1186397700. Listed at 18 retailers as of October 31, 2026, with prices from €1,043 to €2,347, a €1,304 spread on the same certified stone. MOH London lists it at €2,347. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1186397700
Dimensions5.87 × 5.72 × 3.69 mm
L/W Ratio1.03
Top View
5.87 mm5.72 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 1186397700
Side View
Table 63.0%CrownGirdle: Very ThickPavilionCulet: NDepth 64.6%

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: €2,347 EUR|Low: €869 EUR|High: €4,125 EUR|Avg: €1,394 EUR|-0.1%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 12€1,043 EUR
Retailer 15€1,052 EUR
Retailer 13€1,120 EUR
Retailer 7€1,124 EUR
Retailer 9€1,134 EUR
Retailer 4€1,154 EUR
Retailer 17€1,213 EUR
Retailer 3€1,276 EUR
Retailer 5€1,289 EUR
Retailer 8€1,313 EUR
Retailer 18€1,341 EUR
Retailer 10€1,407 EUR
Retailer 2€1,495 EUR
Retailer 16€1,513 EUR
Retailer 6€1,655 EUR
Retailer 11€1,829 EUR
Retailer 14€1,912 EUR
MOH London€2,347 EUR

43 data points across 18 retailers

18 retailers€1,043 EUR to €2,347 EUR

A
Cheapest Retailer
-
€1,043 EUR
$1,170 USD
A
Retailer 2
-
€1,052 EUR
$1,180 USD
View
A
Retailer 3
-
€1,120 EUR
$1,256 USD
View
Final sale: no returns
A
Retailer 4
-
€1,124 EUR
$1,261 USD
View
A
Retailer 5
-
€1,134 EUR
$1,272 USD
View
A
Retailer 6
-
€1,154 EUR
$1,294 USD
View
A
Retailer 7
-
€1,213 EUR
$1,361 USD
View
A
Retailer 8
-
€1,276 EUR
$1,431 USD
View
A
Retailer 9
-
€1,289 EUR
$1,445 USD
View
A
Retailer 10
-
€1,313 EUR
$1,473 USD
View
Retailer 11
-
€1,341 EUR
£1,184 GBP
View
Price last confirmed 33 days ago
A
Retailer 12
-
€1,407 EUR
$1,578 USD
View
A
Retailer 13
-
€1,495 EUR
£1,320 GBP
View
B+
Retailer 14
-
€1,513 EUR
$1,697 USD
View
B+
Retailer 15
-
€1,655 EUR
CA$2,577 CAD
View
B+
Retailer 16
-
€1,829 EUR
View
B+
Retailer 17
-
€1,912 EUR
$2,145 USD
View
Most Expensive
B+
MOH London
ED67DCC65 · Nov 1
€2,347 EUR
£2,073 GBP
View
17 more retailers have this diamond
Prices start from €1,043 EURSave up to €1,304 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
€1,043 EUR