Radiant|Natural|GIA

1.40ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 5556645666

Certificate GIA 5556645666

Diamond specifications and retailer prices

From €3,490 EUR
As of November 6, 2026
Save €4,138 EUR (54%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €7,628 EUR at NZ Jewellers · As of September 20, 2026
View at NZ Jewellers

About this 1.4ct natural radiant diamond

This 1.4ct natural radiant sits in the one-and-a-quarter to one-and-a-half 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 5556645666. Listed at 24 retailers as of November 5, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.40
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5556645666
Dimensions7.45 × 5.44 × 3.77 mm
L/W Ratio1.37
Culet sizeNone
Top View
7.45 mm5.44 mm1.40 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5556645666
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.4%

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 6
Current: €5,445 EUR|Low: €3,967 EUR|High: €7,058 EUR|Avg: €4,814 EUR
Retailer 1
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
Retailer 15
November 7, 2026
Retailer 7€3,967 EUR
Retailer 14€3,967 EUR
Retailer 15€4,009 EUR
Retailer 2€4,163 EUR
Retailer 9€4,216 EUR
Retailer 11€4,311 EUR
Retailer 6€4,322 EUR
Retailer 4€4,414 EUR
Retailer 3€4,625 EUR
Retailer 8€4,660 EUR
Retailer 12€4,928 EUR
Retailer 13€5,342 EUR
Retailer 1€5,445 EUR
Retailer 5€6,399 EUR
Retailer 10€6,936 EUR

44 data points across 15 retailers

24 retailers€3,490 EUR to €7,628 EUR

B+
Cheapest Retailer
-
€3,490 EUR
B+
Retailer 2
-
€3,726 EUR
View
B+
Retailer 3
-
€3,757 EUR
View
Retailer 4
-
€3,967 EUR
View
Price last confirmed 47 days ago
B
Retailer 5
-
€3,967 EUR
View
B
Retailer 6
-
€3,967 EUR
View
Retailer 7
-
€3,967 EUR
View
Price last confirmed 9 days ago
B
Retailer 8
-
€4,009 EUR
View
B
Retailer 9
-
€4,163 EUR
View
Retailer 10
-
€4,216 EUR
View
B+
Retailer 11
-
€4,311 EUR
View
Retailer 12
-
€4,414 EUR
View
Price last confirmed 29 days ago
B
Retailer 13
-
€4,577 EUR
View
Retailer 14
-
€4,577 EUR
View
Price last confirmed 47 days ago
B
Retailer 15
-
€4,625 EUR
View
Retailer 16
-
€4,660 EUR
View
Retailer 17
-
€4,834 EUR
View
Price last confirmed 15 days ago
B
Retailer 18
-
€4,928 EUR
View
B
Retailer 19
-
€5,342 EUR
View
Retailer 20
-
€5,445 EUR
View
B
Retailer 21
-
€6,399 EUR
View
B
Retailer 22
-
€6,936 EUR
View
B
Retailer 23
-
€7,628 EUR
View
Most Expensive
NZ Jewellers
52092677-de5d-4687-a4e5-a3e696dbc067 · Sep 20
€7,628 EUR
$8,517 USD
View
Price last confirmed 47 days ago
23 more retailers have this diamond
Prices start from €3,490 EURSave up to €4,138 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+
1.40ct Radiant
€3,490 EUR