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Cushion|Natural|GIA

1.51ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2556417868

Certificate GIA 2556417868

Diamond specifications and retailer prices

From €2,887 EUR
HK$25,300 HKD
As of November 2, 2026
Save €3,242 EUR (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €6,129 EUR at MOH London · As of November 2, 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 F 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 2556417868. Listed at 13 retailers as of November 2, 2026, with prices from €2,887 to €6,129, a €3,242 spread on the same certified stone. MOH London lists it at €6,129. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556417868
Dimensions6.56 × 6.51 × 4.34 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.56 mm6.51 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556417868
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.7%

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: Nov 2
Current: €6,129 EUR|Low: €2,842 EUR|High: €6,461 EUR|Avg: €3,868 EUR|-3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 5€2,887 EUR
Retailer 12€2,900 EUR
Retailer 11€3,050 EUR
Retailer 3€3,095 EUR
Retailer 9€3,217 EUR
Retailer 2€3,458 EUR
Retailer 8€3,460 EUR
Retailer 6€3,626 EUR
Retailer 10€3,674 EUR
Retailer 7€4,354 EUR
Retailer 4€5,998 EUR
MOH London€6,129 EUR

30 data points across 12 retailers

13 retailers€2,887 EUR to €6,129 EUR

A
Cheapest Retailer
-
€2,887 EUR
HK$25,300 HKD
A
Retailer 2
-
€2,900 EUR
$3,253 USD
View
A
Retailer 3
-
€3,050 EUR
$3,421 USD
View
A
Retailer 4
-
€3,095 EUR
$3,472 USD
View
A
Retailer 5
-
€3,217 EUR
$3,608 USD
View
Final sale: no returns
A
Retailer 6
-
€3,458 EUR
A$5,966 AUD
View
A
Retailer 7
-
€3,460 EUR
$3,881 USD
View
A
Retailer 8
-
€3,626 EUR
£3,202 GBP
View
A
Retailer 9
-
€3,674 EUR
£3,244 GBP
View
A
Retailer 10
-
€3,911 EUR
A$6,748 AUD
View
A
Retailer 11
-
€4,354 EUR
View
Retailer 12
-
€5,998 EUR
$6,727 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
81F518F49 · Nov 2
€6,129 EUR
£5,413 GBP
View
12 more retailers have this diamond
Prices start from €2,887 EURSave up to €3,242 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
1.51ct Cushion
€2,887 EUR