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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 HK$296,450 HKD
$37,785 USD
As of October 28, 2026
Save HK$106,577 HKD (26%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$403,027 HKD 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 HK$296,450 to HK$403,027, a HK$106,577 spread on the same certified stone. Yorxs lists it at HK$403,027. 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: HK$337,664 HKD|Low: HK$296,450 HKD|High: HK$404,188 HKD|Avg: HK$332,775 HKD|-2.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 1, 2026
Retailer 3HK$296,450 HKD
Retailer 5HK$299,408 HKD
Retailer 2HK$310,198 HKD
Retailer 1HK$337,664 HKD
Retailer 4HK$344,677 HKD
YorxsHK$403,027 HKD

45 data points across 6 retailers

16 retailersHK$296,450 HKD to HK$403,027 HKD

B+
Cheapest Retailer
-
HK$296,450 HKD
$37,785 USD
B+
Retailer 2
-
HK$299,408 HKD
$38,162 USD
View
B+
Retailer 3
-
HK$310,198 HKD
₹3,765,461 INR
View
B+
Retailer 4
-
HK$313,919 HKD
$40,012 USD
View
B+
Retailer 5
-
HK$318,355 HKD
$40,577 USD
View
B+
Retailer 6
-
HK$321,313 HKD
$40,954 USD
View
B+
Retailer 7
-
HK$322,294 HKD
CA$57,054 CAD
View
B
Retailer 8
-
HK$327,097 HKD
$41,691 USD
View
B+
Retailer 9
-
HK$337,664 HKD
£33,888 GBP
View
B
Retailer 10
-
HK$344,677 HKD
$43,932 USD
View
B
Retailer 11
-
HK$346,913 HKD
$44,217 USD
View
B
Retailer 12
-
HK$358,156 HKD
$45,650 USD
View
B
Retailer 13
-
HK$358,156 HKD
$45,650 USD
View
B
Retailer 14
-
HK$370,082 HKD
$47,170 USD
View
B
Retailer 15
-
HK$375,346 HKD
$47,841 USD
View
Most Expensive
B
Yorxs
594936427 · Oct 31
HK$403,027 HKD
€48,923 EUR
View
15 more retailers have this diamond
Prices start from HK$296,450 HKDSave up to HK$106,577 HKD

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
HK$296,450 HKD