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Oval|Natural|GIA

4.05ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 6485912553

Certificate GIA 6485912553

Diamond specifications and retailer prices

From $48,304 SGD
$37,785 USD
As of October 28, 2026
Save $17,366 SGD (26%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $65,670 SGD at Yorxs · As of October 31, 2026
View at Yorxs

About this 4.05ct natural oval diamond

This 4.05ct 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 6485912553. Listed at 16 retailers as of October 28, 2026, with prices from $48,304 to $65,670, a $17,366 spread on the same certified stone. Yorxs lists it at $65,670. 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

4.05
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6485912553
Dimensions13.58 × 9.12 × 5.21 mm
L/W Ratio1.49
Top View
13.58 mm9.12 mm4.05 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6485912553
Side View
Table 62.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 57.1%

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 28
Current: $50,721 SGD|Low: $48,304 SGD|High: $65,860 SGD|Avg: $54,226 SGD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
October 31, 2026
Retailer 3$48,304 SGD
Retailer 5$48,786 SGD
Retailer 1$50,721 SGD
Retailer 2$55,019 SGD
Retailer 4$56,163 SGD
Yorxs$65,670 SGD

45 data points across 6 retailers

16 retailers$48,304 SGD to $65,670 SGD

B+
Cheapest Retailer
-
$48,304 SGD
$37,785 USD
B+
Retailer 2
-
$48,786 SGD
$38,162 USD
View
B+
Retailer 3
-
$50,721 SGD
₹3,778,572 INR
View
B+
Retailer 4
-
$51,151 SGD
$40,012 USD
View
B+
Retailer 5
-
$51,874 SGD
$40,577 USD
View
B+
Retailer 6
-
$52,356 SGD
$40,954 USD
View
B+
Retailer 7
-
$52,515 SGD
CA$57,054 CAD
View
B
Retailer 8
-
$53,298 SGD
$41,691 USD
View
B+
Retailer 9
-
$55,019 SGD
£33,888 GBP
View
B
Retailer 10
-
$56,163 SGD
$43,932 USD
View
B
Retailer 11
-
$56,527 SGD
$44,217 USD
View
B
Retailer 12
-
$58,359 SGD
$45,650 USD
View
B
Retailer 13
-
$58,359 SGD
$45,650 USD
View
B
Retailer 14
-
$60,302 SGD
$47,170 USD
View
B
Retailer 15
-
$61,160 SGD
$47,841 USD
View
Most Expensive
B
Yorxs
594936427 · Oct 31
$65,670 SGD
€48,923 EUR
View
15 more retailers have this diamond
Prices start from $48,304 SGDSave up to $17,366 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+
4.05ct Oval
$48,304 SGD