CaratHunter
Plans
Cushion|Natural|GIA

1.51ct J SI1 Cushion Natural Diamond

ID • J/SI1 • GIA 2566219710

Certificate GIA 2566219710

Diamond specifications and retailer prices

From €1,661 EUR
HK$14,500 HKD
As of November 1, 2026
Save €2,290 EUR (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €3,951 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566219710. Listed at 6 retailers as of November 1, 2026, with prices from €1,661 to €3,951, a €2,290 spread on the same certified stone. MOH London lists it at €3,951. 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
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566219710
Dimensions6.59 × 6.53 × 4.34 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.59 mm6.53 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566219710
Side View
Table 64.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 66.5%

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: €3,951 EUR|Low: €1,661 EUR|High: €4,257 EUR|Avg: €2,569 EUR|-7.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4€1,661 EUR
Retailer 5€1,965 EUR
Retailer 2€2,170 EUR
Retailer 6€2,360 EUR
Retailer 7€2,930 EUR
Retailer 3€3,161 EUR
MOH London€3,951 EUR

18 data points across 7 retailers

6 retailers€1,661 EUR to €3,951 EUR

A
Cheapest Retailer
-
€1,661 EUR
HK$14,500 HKD
A
Retailer 2
-
€1,965 EUR
$2,195 USD
View
A
Retailer 3
-
€2,170 EUR
£1,909 GBP
View
Retailer 4
-
€2,360 EUR
SGD 3,563 SGD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
€3,161 EUR
$3,532 USD
View
Most Expensive
B+
MOH London
4E81B08B7 · Nov 1
€3,951 EUR
£3,476 GBP
View
5 more retailers have this diamond
Prices start from €1,661 EURSave up to €2,290 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
€1,661 EUR