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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

ID • J/SI2 • GIA 2557531375

Certificate GIA 2557531375

Diamond specifications and retailer prices

From €2,417 EUR
HK$21,100 HKD
As of November 1, 2026
Save €2,947 EUR (55%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €5,364 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557531375. Listed at 13 retailers as of November 1, 2026, with prices from €2,417 to €5,364, a €2,947 spread on the same certified stone. MOH London lists it at €5,364. 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
J
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557531375
Dimensions7.62 × 5.83 × 4.01 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.62 mm5.83 mm1.51 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557531375
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

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 1
Current: €5,364 EUR|Low: €2,395 EUR|High: €5,561 EUR|Avg: €3,317 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
November 1, 2026
Retailer 5€2,417 EUR
Retailer 2€2,582 EUR
Retailer 11€2,883 EUR
Retailer 7€2,960 EUR
Retailer 3€3,273 EUR
Retailer 9€3,338 EUR
Retailer 4€3,352 EUR
Retailer 10€3,365 EUR
Retailer 8€3,392 EUR
Retailer 6€3,756 EUR
MOH London€5,364 EUR

34 data points across 11 retailers

13 retailers€2,417 EUR to €5,364 EUR

A
Cheapest Retailer
-
€2,417 EUR
HK$21,100 HKD
A
Retailer 2
-
€2,582 EUR
₹274,724 INR
View
A
Retailer 3
-
€2,883 EUR
SGD 4,352 SGD
View
A
Retailer 4
-
€2,960 EUR
$3,307 USD
View
Final sale: no returns
B+
Retailer 5
-
€3,051 EUR
$3,409 USD
View
B+
Retailer 6
-
€3,216 EUR
A$5,528 AUD
View
Retailer 7
-
€3,273 EUR
$3,657 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
€3,338 EUR
$3,729 USD
View
B+
Retailer 9
-
€3,352 EUR
£2,949 GBP
View
B+
Retailer 10
-
€3,365 EUR
SGD 5,081 SGD
View
B+
Retailer 11
-
€3,392 EUR
$3,790 USD
View
B+
Retailer 12
-
€3,756 EUR
View
Most Expensive
B
MOH London
A856D8BF8 · Nov 1
€5,364 EUR
£4,719 GBP
View
12 more retailers have this diamond
Prices start from €2,417 EURSave up to €2,947 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
€2,417 EUR