Oval|Natural|GIA

4.06ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 1428158186

Certificate GIA 1428158186

Diamond specifications and retailer prices

From $38,510 USD
As of October 29, 2026
Save $26,633 USD (41%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $65,143 USD at MOH London · As of October 29, 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 29, 2026, with prices from $38,510 to $65,143, a $26,633 spread on the same certified stone. MOH London lists it at $65,143. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $65,143 USD|Low: $38,510 USD|High: $65,578 USD|Avg: $47,507 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7$38,510 USD
Retailer 4$40,864 USD
Retailer 3$41,819 USD
Retailer 2$45,899 USD
Retailer 5$50,262 USD
Retailer 6$50,450 USD
MOH London$65,143 USD

33 data points across 7 retailers

7 retailers$38,510 USD to $65,143 USD

B+
Cheapest Retailer
-
$38,510 USD
B+
Retailer 2
-
$40,864 USD
View
B+
Retailer 3
-
$41,819 USD
£32,929 GBP
View
B
Retailer 4
-
$43,218 USD
View
B+
Retailer 5
-
$45,899 USD
£36,141 GBP
View
B
Retailer 6
-
$50,262 USD
€47,869 EUR
View
Most Expensive
B
MOH London
79C059BF9 · Oct 29
$65,143 USD
£51,294 GBP
View
6 more retailers have this diamond
Prices start from $38,510 USDSave up to $26,633 USD

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
$38,510 USD