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Oval|Natural|GIA

0.40ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 6551642485

Certificate GIA 6551642485

Diamond specifications and retailer prices

From $300 CAD
SGD 289 SGD
As of October 28, 2026
Save $284 CAD (49%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $584 CAD at Yorxs · As of October 28, 2026
View at Yorxs

About this 0.4ct natural oval diamond

This 0.4ct natural oval sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551642485. Listed at 9 retailers as of October 28, 2026, with prices from $300 to $584, a $284 spread on the same certified stone. Yorxs lists it at $584. 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

0.40
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
Crown angle37.82°
Pavilion angle41.22°
OriginNatural
Grading LabGIA
CertificateGIA 6551642485
Dimensions5.87 × 4.13 × 2.59 mm
L/W Ratio1.42
Culet sizeNone
Top View
5.87 mm4.13 mm0.40 ctJ / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 6551642485
Side View
Table 58.0%Crown 37.82°Girdle: MED-VTKPavilion 41.22°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $472 CAD|Low: $300 CAD|High: $618 CAD|Avg: $437 CAD|+13.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
October 29, 2026
Retailer 6$300 CAD
Retailer 3$389 CAD
Retailer 5$390 CAD
Retailer 4$399 CAD
Retailer 2$419 CAD
Retailer 7$456 CAD
Retailer 1$472 CAD
Yorxs$584 CAD

40 data points across 8 retailers

9 retailers$300 CAD to $584 CAD

A
Cheapest Retailer
-
$300 CAD
SGD 289 SGD
A
Retailer 2
-
$389 CAD
$277 USD
View
A
Retailer 3
-
$390 CAD
SGD 375 SGD
View
A
Retailer 4
-
$399 CAD
$284 USD
View
A
Retailer 5
-
$419 CAD
$298 USD
View
A
Retailer 6
-
$456 CAD
$325 USD
View
B+
Retailer 7
-
$469 CAD
$334 USD
View
B+
Retailer 8
-
$472 CAD
£265 GBP
View
Most Expensive
B+
Yorxs
590711895 · Oct 28
$584 CAD
€396 EUR
View
8 more retailers have this diamond
Prices start from $300 CADSave up to $284 CAD

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.

A
0.40ct Oval
$300 CAD