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Cushion|Natural|GIA

1.20ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 5231714298

Certificate GIA 5231714298

Diamond specifications and retailer prices

From €1,256 EUR
$1,409 USD
As of November 2, 2026
Save €1,230 EUR (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,487 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded J 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 5231714298. Listed at 15 retailers as of November 2, 2026, with prices from €1,256 to €2,487, a €1,230 spread on the same certified stone. MOH London lists it at €2,487. 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

1.20
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.5°
OriginNatural
Grading LabGIA
CertificateGIA 5231714298
Dimensions6.00 × 5.86 × 4.01 mm
L/W Ratio1.02
Top View
6.00 mm5.86 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231714298
Side View
Table 63.0%CrownGirdle: THK-ETKPavilion 36.5°Culet: NoneDepth 68.5%

Caratlytics Score

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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: Nov 2
Current: €2,487 EUR|Low: €1,183 EUR|High: €3,010 EUR|Avg: €1,727 EUR|-17.3%
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
November 2, 2026
Retailer 14€1,256 EUR
Retailer 5€1,363 EUR
Retailer 4€1,396 EUR
Retailer 13€1,419 EUR
Retailer 3€1,446 EUR
Retailer 11€1,489 EUR
Retailer 9€1,542 EUR
Retailer 12€1,542 EUR
Retailer 10€1,587 EUR
Retailer 7€1,605 EUR
Retailer 8€1,642 EUR
Retailer 2€1,937 EUR
Retailer 6€2,048 EUR
MOH London€2,487 EUR

41 data points across 14 retailers

15 retailers€1,256 EUR to €2,487 EUR

A
Cheapest Retailer
-
€1,256 EUR
$1,409 USD
A
Retailer 2
-
€1,363 EUR
$1,528 USD
View
A
Retailer 3
-
€1,396 EUR
$1,566 USD
View
A
Retailer 4
-
€1,419 EUR
$1,592 USD
View
Final sale: no returns
A
Retailer 5
-
€1,446 EUR
$1,622 USD
View
B+
Retailer 6
-
€1,489 EUR
$1,670 USD
View
B+
Retailer 7
-
€1,542 EUR
$1,730 USD
View
B+
Retailer 8
-
€1,542 EUR
$1,730 USD
View
B+
Retailer 9
-
€1,587 EUR
$1,780 USD
View
B+
Retailer 10
-
€1,605 EUR
£1,417 GBP
View
B+
Retailer 11
-
€1,642 EUR
CA$2,558 CAD
View
B+
Retailer 12
-
€1,937 EUR
View
B
Retailer 13
-
€2,048 EUR
$2,297 USD
View
B
Retailer 14
-
€2,329 EUR
CA$3,629 CAD
View
Most Expensive
B
MOH London
DD67D05AB · Nov 2
€2,487 EUR
£2,196 GBP
View
14 more retailers have this diamond
Prices start from €1,256 EURSave up to €1,230 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
1.20ct Cushion
€1,256 EUR