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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 €2,899 EUR
HK$25,300 HKD
As of November 2, 2026
Save €3,459 EUR (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €6,358 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 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 1, 2026, with prices from €2,899 to €6,358, a €3,459 spread on the same certified stone. MOH London lists it at €6,358. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €6,358 EUR|Low: €2,853 EUR|High: €6,486 EUR|Avg: €3,870 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2€2,899 EUR
Retailer 12€2,912 EUR
Retailer 10€3,062 EUR
Retailer 3€3,107 EUR
Retailer 8€3,229 EUR
Retailer 11€3,422 EUR
Retailer 7€3,474 EUR
Retailer 5€3,640 EUR
Retailer 9€3,688 EUR
Retailer 6€4,371 EUR
Retailer 4€6,021 EUR
MOH London€6,358 EUR

32 data points across 12 retailers

13 retailers€2,899 EUR to €6,358 EUR

A
Cheapest Retailer
-
€2,899 EUR
HK$25,300 HKD
A
Retailer 2
-
€2,912 EUR
$3,253 USD
View
A
Retailer 3
-
€3,062 EUR
$3,421 USD
View
A
Retailer 4
-
€3,107 EUR
$3,472 USD
View
A
Retailer 5
-
€3,229 EUR
$3,608 USD
View
Final sale: no returns
A
Retailer 6
-
€3,422 EUR
A$5,882 AUD
View
A
Retailer 7
-
€3,474 EUR
$3,881 USD
View
A
Retailer 8
-
€3,640 EUR
£3,202 GBP
View
A
Retailer 9
-
€3,688 EUR
£3,244 GBP
View
A
Retailer 10
-
€3,926 EUR
A$6,748 AUD
View
A
Retailer 11
-
€4,371 EUR
View
Retailer 12
-
€6,021 EUR
$6,727 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
81F518F49 · Nov 1
€6,358 EUR
£5,593 GBP
View
12 more retailers have this diamond
Prices start from €2,899 EURSave up to €3,459 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
€2,899 EUR