Cushion|Natural|GIA

1.30ct J SI1 Cushion Natural Diamond

J/SI1 • GIA 1545424189

Certificate GIA 1545424189

Diamond specifications and retailer prices

From €2,701 EUR
$3,030 USD
As of November 2, 2026
Save €1,930 EUR (42%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €4,631 EUR at MOH London · As of November 2, 2026
View at MOH London

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 1545424189. Listed at 7 retailers as of November 2, 2026, with prices from €2,701 to €4,631, a €1,930 spread on the same certified stone. MOH London lists it at €4,631. 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

1.30
Carat
J
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545424189
Dimensions8.71 × 5.98 × 2.90 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Cavity
Top View
8.71 mm5.98 mm1.30 ctJ / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1545424189
Side View
Table 54.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 48.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €4,631 EUR|Low: €2,442 EUR|High: €5,120 EUR|Avg: €3,186 EUR|-8.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9€2,442 EUR
Retailer 6€2,701 EUR
Retailer 8€2,730 EUR
Retailer 5€2,781 EUR
Retailer 3€2,897 EUR
Retailer 7€2,982 EUR
Retailer 2€3,241 EUR
Retailer 10€3,283 EUR
Retailer 4€3,419 EUR
MOH London€4,631 EUR

34 data points across 10 retailers

7 retailers€2,701 EUR to €4,631 EUR

B
Cheapest Retailer
-
€2,701 EUR
$3,030 USD
B
Retailer 2
-
€2,781 EUR
$3,119 USD
View
B
Retailer 3
-
€2,897 EUR
$3,249 USD
View
Retailer 4
-
€2,982 EUR
A$5,146 AUD
View
Price last confirmed 29 days ago
B
Retailer 5
-
€3,241 EUR
View
B
Retailer 6
-
€3,419 EUR
ZAR 61,942 ZAR
View
Most Expensive
C
MOH London
D7D5E6E54 · Nov 2
€4,631 EUR
£4,090 GBP
View
6 more retailers have this diamond
Prices start from €2,701 EURSave up to €1,930 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
1.30ct Cushion
€2,701 EUR