CaratHunter
Plans
Oval|Natural|GIA

0.40ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 6551642485

Certificate GIA 6551642485

Diamond specifications and retailer prices

From HK$1,678 HKD
SGD 289 SGD
As of November 1, 2026
Save HK$1,576 HKD (48%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$3,254 HKD at Yorxs · As of October 31, 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 31, 2026, with prices from HK$1,678 to HK$3,254, a HK$1,576 spread on the same certified stone. Yorxs lists it at HK$3,254. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$2,623 HKD|Low: HK$1,678 HKD|High: HK$3,452 HKD|Avg: HK$2,439 HKD|+13.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 1, 2026
Retailer 6HK$1,678 HKD
Retailer 3HK$2,175 HKD
Retailer 5HK$2,177 HKD
Retailer 4HK$2,228 HKD
Retailer 2HK$2,338 HKD
Retailer 7HK$2,548 HKD
Retailer 1HK$2,623 HKD
YorxsHK$3,254 HKD

40 data points across 8 retailers

9 retailersHK$1,678 HKD to HK$3,254 HKD

A
Cheapest Retailer
-
HK$1,678 HKD
SGD 289 SGD
A
Retailer 2
-
HK$2,175 HKD
$277 USD
View
A
Retailer 3
-
HK$2,177 HKD
SGD 375 SGD
View
A
Retailer 4
-
HK$2,228 HKD
$284 USD
View
A
Retailer 5
-
HK$2,338 HKD
$298 USD
View
A
Retailer 6
-
HK$2,548 HKD
$325 USD
View
B+
Retailer 7
-
HK$2,620 HKD
$334 USD
View
B+
Retailer 8
-
HK$2,623 HKD
£263 GBP
View
Most Expensive
B+
Yorxs
590711895 · Oct 31
HK$3,254 HKD
€395 EUR
View
8 more retailers have this diamond
Prices start from HK$1,678 HKDSave up to HK$1,576 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.

A
0.40ct Oval
HK$1,678 HKD