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Cushion|Natural|GIA

1.51ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2225586805

Certificate GIA 2225586805

Diamond specifications and retailer prices

From €8,912 EUR
$9,957 USD
As of November 1, 2026
Save €6,103 EUR (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €15,016 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two 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 2225586805. Listed at 14 retailers as of November 1, 2026, with prices from €8,912 to €15,016, a €6,103 spread on the same certified stone. MOH London lists it at €15,016. 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

1.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2225586805
Dimensions7.18 × 6.08 × 4.16 mm
L/W Ratio1.18
Culet sizeNone
Top View
7.18 mm6.08 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2225586805
Side View
Table 58.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 68.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: €15,016 EUR|Low: €8,539 EUR|High: €15,196 EUR|Avg: €11,465 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6€8,539 EUR
Retailer 7€9,615 EUR
Retailer 3€10,392 EUR
Retailer 5€10,448 EUR
Retailer 2€11,571 EUR
Retailer 4€14,125 EUR
MOH London€15,016 EUR

44 data points across 7 retailers

14 retailers€8,912 EUR to €15,016 EUR

Retailer 1
-
€8,539 EUR
$9,540 USD
Price last confirmed 11 days ago
B
Retailer 2
-
€8,912 EUR
$9,957 USD
View
B
Retailer 3
-
€8,920 EUR
$9,966 USD
View
B
Retailer 4
-
€9,192 EUR
CA$14,263 CAD
View
B
Retailer 5
-
€9,492 EUR
$10,605 USD
View
B
Retailer 6
-
€9,615 EUR
$10,742 USD
View
B
Retailer 7
-
€9,695 EUR
$10,831 USD
View
B
Retailer 8
-
€10,392 EUR
£9,142 GBP
View
Retailer 9
-
€10,448 EUR
A$17,958 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
€11,112 EUR
$12,414 USD
View
B
Retailer 11
-
€11,571 EUR
View
Retailer 12
-
€12,649 EUR
$14,132 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
€14,125 EUR
ZAR 254,937 ZAR
View
Most Expensive
B
MOH London
7E276AAAE · Nov 1
€15,016 EUR
£13,209 GBP
View
13 more retailers have this diamond
Prices start from €8,912 EURSave up to €6,103 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
1.51ct Cushion
€8,912 EUR