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Cushion|Natural|GIA

1.51ct J SI2 Cushion Natural Diamond

EX • J/SI2 • GIA 2557303410

Certificate GIA 2557303410

Diamond specifications and retailer prices

From €1,868 EUR
HK$16,300 HKD
As of November 1, 2026
Save €2,393 EUR (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €4,261 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 2557303410. Listed at 15 retailers as of November 1, 2026, with prices from €1,868 to €4,261, a €2,393 spread on the same certified stone. MOH London lists it at €4,261. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557303410
Dimensions7.53 × 6.01 × 4.14 mm
L/W Ratio1.25
Girdle conditionFaceted
Top View
7.53 mm6.01 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557303410
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

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 1
Current: €4,261 EUR|Low: €1,868 EUR|High: €4,483 EUR|Avg: €2,709 EUR|-4.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 14€1,868 EUR
Retailer 11€2,070 EUR
Retailer 9€2,071 EUR
Retailer 4€2,105 EUR
Retailer 13€2,194 EUR
Retailer 6€2,311 EUR
Retailer 12€2,336 EUR
Retailer 8€2,354 EUR
Retailer 2€2,449 EUR
Retailer 3€2,572 EUR
Retailer 10€2,648 EUR
Retailer 7€2,898 EUR
Retailer 5€4,089 EUR
MOH London€4,261 EUR

25 data points across 14 retailers

15 retailers€1,868 EUR to €4,261 EUR

A
Cheapest Retailer
-
€1,868 EUR
HK$16,300 HKD
A
Retailer 2
-
€2,070 EUR
$2,313 USD
View
A
Retailer 3
-
€2,071 EUR
$2,314 USD
View
Final sale: no returns
A
Retailer 4
-
€2,105 EUR
$2,351 USD
View
A
Retailer 5
-
€2,194 EUR
$2,451 USD
View
A
Retailer 6
-
€2,311 EUR
$2,582 USD
View
A
Retailer 7
-
€2,336 EUR
$2,610 USD
View
A
Retailer 8
-
€2,354 EUR
$2,630 USD
View
A
Retailer 9
-
€2,449 EUR
£2,154 GBP
View
A
Retailer 10
-
€2,572 EUR
$2,874 USD
View
A
Retailer 11
-
€2,648 EUR
£2,329 GBP
View
B+
Retailer 12
-
€2,873 EUR
A$4,938 AUD
View
B+
Retailer 13
-
€2,898 EUR
View
Retailer 14
-
€4,089 EUR
$4,568 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
847DD2A5B · Nov 1
€4,261 EUR
£3,748 GBP
View
14 more retailers have this diamond
Prices start from €1,868 EURSave up to €2,393 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
€1,868 EUR