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Oval|Natural|GIA

0.40ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 2556556504

Certificate GIA 2556556504

Diamond specifications and retailer prices

From $614 AUD
SGD 583 SGD
As of October 31, 2026
Save $322 AUD (34%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $936 AUD 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 H 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 2556556504. Listed at 8 retailers as of October 31, 2026, with prices from $614 to $936, a $322 spread on the same certified stone. Yorxs lists it at $936. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.72°
Pavilion angle37.99°
OriginNatural
Grading LabGIA
CertificateGIA 2556556504
Dimensions6.26 × 4.00 × 2.40 mm
L/W Ratio1.56
Culet sizeNone
Top View
6.26 mm4.00 mm0.40 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556556504
Side View
Table 60.0%Crown 36.72°Girdle: STK-VTKPavilion 37.99°Culet: NoneDepth 59.9%

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 31
Current: $743 AUD|Low: $392 AUD|High: $937 AUD|Avg: $729 AUD|+6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 1, 2026
Retailer 7$392 AUD
Retailer 6$614 AUD
Retailer 3$658 AUD
Retailer 1$743 AUD
Retailer 2$790 AUD
Retailer 4$799 AUD
Retailer 5$912 AUD
Yorxs$936 AUD

41 data points across 8 retailers

8 retailers$614 AUD to $936 AUD

B+
Cheapest Retailer
-
$614 AUD
SGD 583 SGD
B+
Retailer 2
-
$658 AUD
SGD 625 SGD
View
B
Retailer 3
-
$743 AUD
£411 GBP
View
B+
Retailer 4
-
$790 AUD
£437 GBP
View
B
Retailer 5
-
$799 AUD
$561 USD
View
B
Retailer 6
-
$863 AUD
$606 USD
View
B
Retailer 7
-
$912 AUD
$641 USD
View
Most Expensive
B
Yorxs
537284026 · Oct 31
$936 AUD
€626 EUR
View
7 more retailers have this diamond
Prices start from $614 AUDSave up to $322 AUD

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+
0.40ct Oval
$614 AUD