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Cushion|Natural|GIA

1.50ct J SI1 Cushion Natural Diamond

GD • J/SI1 • GIA 5403156383

Certificate GIA 5403156383

Diamond specifications and retailer prices

From €2,639 EUR
$2,948 USD
As of October 31, 2026
Save €3,105 EUR (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €5,744 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 5403156383. Listed at 20 retailers as of October 31, 2026, with prices from €2,639 to €5,744, a €3,105 spread on the same certified stone. MOH London lists it at €5,744. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
J
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5403156383
Dimensions6.67 × 6.10 × 4.26 mm
L/W Ratio1.09
Top View
6.67 mm6.10 mm1.50 ctJ / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5403156383
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.8%

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: Oct 31
Current: €5,744 EUR|Low: €2,639 EUR|High: €5,805 EUR|Avg: €3,514 EUR|-1.1%
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 9€2,639 EUR
Retailer 11€2,699 EUR
Retailer 10€2,848 EUR
Retailer 7€2,860 EUR
Retailer 12€2,872 EUR
Retailer 4€3,111 EUR
Retailer 2€3,305 EUR
Retailer 6€3,513 EUR
Retailer 3€3,679 EUR
Retailer 5€4,020 EUR
Retailer 8€4,222 EUR
MOH London€5,744 EUR

35 data points across 12 retailers

20 retailers€2,639 EUR to €5,744 EUR

A
Cheapest Retailer
-
€2,639 EUR
$2,948 USD
B+
Retailer 2
-
€2,699 EUR
$3,015 USD
View
B+
Retailer 3
-
€2,762 EUR
$3,086 USD
View
B+
Retailer 4
-
€2,848 EUR
$3,182 USD
View
B+
Retailer 5
-
€2,860 EUR
A$4,915 AUD
View
B+
Retailer 6
-
€2,872 EUR
$3,209 USD
View
Final sale: no returns
B+
Retailer 7
-
€2,999 EUR
$3,350 USD
View
B+
Retailer 8
-
€3,088 EUR
$3,450 USD
View
B+
Retailer 9
-
€3,119 EUR
$3,485 USD
View
B+
Retailer 10
-
€3,305 EUR
£2,907 GBP
View
B+
Retailer 11
-
€3,332 EUR
$3,722 USD
View
B
Retailer 12
-
€3,513 EUR
£3,091 GBP
View
B
Retailer 13
-
€3,527 EUR
$3,940 USD
View
B
Retailer 14
-
€3,527 EUR
$3,940 USD
View
B
Retailer 15
-
€3,643 EUR
$4,070 USD
View
Retailer 16
-
€3,679 EUR
A$6,324 AUD
View
Price last confirmed 24 days ago
Retailer 17
-
€3,888 EUR
$4,344 USD
View
Price last confirmed 10 days ago
B
Retailer 18
-
€4,020 EUR
View
B
Retailer 19
-
€4,222 EUR
ZAR 76,201 ZAR
View
Most Expensive
C
MOH London
788435C68 · Nov 1
€5,744 EUR
£5,053 GBP
View
19 more retailers have this diamond
Prices start from €2,639 EURSave up to €3,105 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
1.50ct Cushion
€2,639 EUR