Oval|Natural|GIA

4.06ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 1428158186

Certificate GIA 1428158186

Diamond specifications and retailer prices

From €34,470 EUR
$38,510 USD
As of October 31, 2026
Save €23,529 EUR (41%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €57,999 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 4.06ct natural oval diamond

This 4.06ct natural oval sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1428158186. Listed at 7 retailers as of October 31, 2026, with prices from €34,470 to €57,999, a €23,529 spread on the same certified stone. MOH London lists it at €57,999. 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

4.06
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1428158186
Dimensions12.49 × 8.92 × 5.69 mm
L/W Ratio1.40
Culet sizeNone
Top View
12.49 mm8.92 mm4.06 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1428158186
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.8%

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: Oct 31
Current: €57,999 EUR|Low: €36,577 EUR|High: €58,698 EUR|Avg: €43,260 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5€36,577 EUR
Retailer 3€37,433 EUR
Retailer 6€38,684 EUR
Retailer 2€40,961 EUR
Retailer 4€45,061 EUR
Retailer 7€45,158 EUR
MOH London€57,999 EUR

33 data points across 7 retailers

7 retailers€34,470 EUR to €57,999 EUR

B+
Cheapest Retailer
-
€34,470 EUR
$38,510 USD
B+
Retailer 2
-
€36,577 EUR
$40,864 USD
View
B+
Retailer 3
-
€37,433 EUR
£32,929 GBP
View
B
Retailer 4
-
€38,684 EUR
$43,218 USD
View
B+
Retailer 5
-
€40,961 EUR
£36,033 GBP
View
B
Retailer 6
-
€45,061 EUR
View
Most Expensive
B
MOH London
79C059BF9 · Nov 1
€57,999 EUR
£51,021 GBP
View
6 more retailers have this diamond
Prices start from €34,470 EURSave up to €23,529 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+
4.06ct Oval
€34,470 EUR