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Oval|Natural|GIA

4.06ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 1428158186

Certificate GIA 1428158186

Diamond specifications and retailer prices

From $49,232 SGD
$38,510 USD
As of October 31, 2026
Save $34,048 SGD (41%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $83,279 SGD 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 $49,232 to $83,279, a $34,048 spread on the same certified stone. MOH London lists it at $83,279. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $83,279 SGD|Low: $49,232 SGD|High: $83,835 SGD|Avg: $60,120 SGD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 8$49,232 SGD
Retailer 5$52,241 SGD
Retailer 2$53,462 SGD
Retailer 6$55,250 SGD
Retailer 4$58,678 SGD
Retailer 3$64,358 SGD
Retailer 7$64,496 SGD
MOH London$83,279 SGD

33 data points across 8 retailers

7 retailers$49,232 SGD to $83,279 SGD

B+
Cheapest Retailer
-
$49,232 SGD
$38,510 USD
B+
Retailer 2
-
$52,241 SGD
$40,864 USD
View
B+
Retailer 3
-
$53,462 SGD
£32,929 GBP
View
B
Retailer 4
-
$55,250 SGD
$43,218 USD
View
B+
Retailer 5
-
$58,678 SGD
£36,141 GBP
View
B
Retailer 6
-
$64,358 SGD
€47,945 EUR
View
Most Expensive
B
MOH London
79C059BF9 · Oct 29
$83,279 SGD
£51,294 GBP
View
6 more retailers have this diamond
Prices start from $49,232 SGDSave up to $34,048 SGD

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
$49,232 SGD