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Cushion|Natural|GIA

1.51ct J SI1 Cushion Natural Diamond

EX • J/SI1 • GIA 2516339828

Certificate GIA 2516339828

Diamond specifications and retailer prices

From €3,719 EUR
$4,171 USD
As of November 2, 2026
Save €4,100 EUR (52%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €7,819 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 2516339828. Listed at 25 retailers as of November 1, 2026, with prices from €3,719 to €7,819, a €4,100 spread on the same certified stone. MOH London lists it at €7,819. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.63°
Pavilion angle36.01°
OriginNatural
Grading LabGIA
CertificateGIA 2516339828
Dimensions7.68 × 5.91 × 4.11 mm
L/W Ratio1.30
Top View
7.68 mm5.91 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2516339828
Side View
Table 64.0%Crown 38.63°Girdle: STK-VTKPavilion 36.01°Culet: NoneDepth 69.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €7,819 EUR|Low: €3,555 EUR|High: €7,913 EUR|Avg: €5,023 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10€3,719 EUR
Retailer 7€3,910 EUR
Retailer 11€4,186 EUR
Retailer 8€4,447 EUR
Retailer 9€4,679 EUR
Retailer 4€4,789 EUR
Retailer 6€4,917 EUR
Retailer 3€5,417 EUR
Retailer 2€5,553 EUR
Retailer 5€6,034 EUR
MOH London€7,819 EUR

43 data points across 11 retailers

25 retailers€3,719 EUR to €7,819 EUR

B+
Cheapest Retailer
-
€3,719 EUR
$4,171 USD
B+
Retailer 2
-
€3,835 EUR
$4,301 USD
View
B+
Retailer 3
-
€3,878 EUR
$4,350 USD
View
B+
Retailer 4
-
€3,910 EUR
$4,386 USD
View
Final sale: no returns
B+
Retailer 5
-
€3,926 EUR
$4,403 USD
View
B
Retailer 6
-
€4,049 EUR
A$6,986 AUD
View
B
Retailer 7
-
€4,169 EUR
CA$6,495 CAD
View
B
Retailer 8
-
€4,177 EUR
$4,685 USD
View
B
Retailer 9
-
€4,186 EUR
$4,695 USD
View
B+
Retailer 10
-
€4,406 EUR
$4,942 USD
View
B
Retailer 11
-
€4,447 EUR
$4,988 USD
View
B
Retailer 12
-
€4,524 EUR
$5,074 USD
View
B
Retailer 13
-
€4,679 EUR
$5,248 USD
View
B
Retailer 14
-
€4,685 EUR
$5,255 USD
View
B
Retailer 15
-
€4,789 EUR
£4,230 GBP
View
Retailer 16
-
€4,917 EUR
A$8,484 AUD
View
Price last confirmed 23 days ago
B
Retailer 17
-
€4,984 EUR
$5,590 USD
View
B
Retailer 18
-
€4,984 EUR
$5,590 USD
View
B
Retailer 19
-
€5,144 EUR
$5,770 USD
View
Retailer 20
-
€5,417 EUR
$6,076 USD
View
Price last confirmed 10 days ago
B
Retailer 21
-
€5,553 EUR
View
B
Retailer 22
-
€5,654 EUR
$6,342 USD
View
B
Retailer 23
-
€6,034 EUR
ZAR 109,332 ZAR
View
B
Retailer 24
-
€7,108 EUR
$7,973 USD
View
Most Expensive
B
MOH London
66A04432A · Nov 1
€7,819 EUR
£6,905 GBP
View
24 more retailers have this diamond
Prices start from €3,719 EURSave up to €4,100 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.

B+
1.51ct Cushion
€3,719 EUR