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Cushion|Natural|GIA

1.50ct I SI1 Cushion Natural Diamond

GD • I/SI1 • GIA 2458259458

Shape and cutting style on the report: Cushion modified brilliant

Certificate GIA 2458259458

Diamond specifications and retailer prices

From €6,691 EUR
$7,505 USD
As of November 2, 2026
Save €5,103 EUR (43%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €11,794 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2458259458. Listed at 22 retailers as of November 2, 2026, with prices from €6,691 to €11,794, a €5,103 spread on the same certified stone. MOH London lists it at €11,794. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
I
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2458259458
Dimensions7.42 × 6.03 × 4.12 mm
L/W Ratio1.23
Top View
7.42 mm6.03 mm1.50 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2458259458
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 68.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €11,794 EUR|Low: €6,294 EUR|High: €11,937 EUR|Avg: €8,577 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9€6,691 EUR
Retailer 6€6,731 EUR
Retailer 7€7,552 EUR
Retailer 8€7,552 EUR
Retailer 3€8,253 EUR
Retailer 5€8,291 EUR
Retailer 2€9,382 EUR
Retailer 4€11,094 EUR
MOH London€11,794 EUR

43 data points across 9 retailers

22 retailers€6,691 EUR to €11,794 EUR

B
Cheapest Retailer
-
€6,691 EUR
$7,505 USD
Retailer 2
-
€6,731 EUR
$7,550 USD
View
Price last confirmed 14 days ago
B
Retailer 3
-
€7,032 EUR
$7,887 USD
View
B
Retailer 4
-
€7,060 EUR
A$12,183 AUD
View
B
Retailer 5
-
€7,071 EUR
$7,931 USD
View
B
Retailer 6
-
€7,280 EUR
$8,165 USD
View
B
Retailer 7
-
€7,368 EUR
CA$11,477 CAD
View
B
Retailer 8
-
€7,507 EUR
$8,420 USD
View
B
Retailer 9
-
€7,552 EUR
$8,470 USD
View
B
Retailer 10
-
€7,552 EUR
$8,470 USD
View
Final sale: no returns
B
Retailer 11
-
€7,615 EUR
$8,541 USD
View
B
Retailer 12
-
€8,253 EUR
£7,289 GBP
View
Retailer 13
-
€8,291 EUR
A$14,307 AUD
View
Price last confirmed 10 days ago
B
Retailer 14
-
€8,420 EUR
$9,444 USD
View
C
Retailer 15
-
€8,688 EUR
$9,744 USD
View
C
Retailer 16
-
€8,934 EUR
$10,020 USD
View
C
Retailer 17
-
€8,934 EUR
$10,020 USD
View
C
Retailer 18
-
€9,228 EUR
$10,350 USD
View
B
Retailer 19
-
€9,382 EUR
View
Retailer 20
-
€9,942 EUR
$11,151 USD
View
Price last confirmed 10 days ago
C
Retailer 21
-
€11,094 EUR
ZAR 201,028 ZAR
View
Most Expensive
C
MOH London
D404E7B54 · Nov 2
€11,794 EUR
£10,416 GBP
View
21 more retailers have this diamond
Prices start from €6,691 EURSave up to €5,103 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
1.50ct Cushion
€6,691 EUR