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Oval|Natural|GIA

0.40ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 2556514178

Certificate GIA 2556514178

Diamond specifications and retailer prices

From $434 SGD
As of October 31, 2026
Save $336 SGD (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $770 SGD 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 2556514178. Listed at 9 retailers as of October 31, 2026, with prices from $434 to $770, a $336 spread on the same certified stone. Yorxs lists it at $770. 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
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle36.62°
Pavilion angle41.93°
OriginNatural
Grading LabGIA
CertificateGIA 2556514178
Dimensions5.97 × 4.13 × 2.55 mm
L/W Ratio1.45
Culet sizeNone
Top View
5.97 mm4.13 mm0.40 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2556514178
Side View
Table 58.0%Crown 36.62°Girdle: MED-VTKPavilion 41.93°Culet: NoneDepth 61.8%

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 31
Current: $582 SGD|Low: $434 SGD|High: $807 SGD|Avg: $593 SGD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 2, 2026
Retailer 7$434 SGD
Retailer 3$492 SGD
Retailer 2$559 SGD
Retailer 5$565 SGD
Retailer 6$575 SGD
Retailer 1$582 SGD
Retailer 4$650 SGD
Yorxs$770 SGD

40 data points across 8 retailers

9 retailers$434 SGD to $770 SGD

A
Cheapest Retailer
-
$434 SGD
A
Retailer 2
-
$492 SGD
View
B+
Retailer 3
-
$559 SGD
£344 GBP
View
B+
Retailer 4
-
$565 SGD
$442 USD
View
B+
Retailer 5
-
$575 SGD
$450 USD
View
B+
Retailer 6
-
$582 SGD
£358 GBP
View
B
Retailer 7
-
$650 SGD
$509 USD
View
B
Retailer 8
-
$669 SGD
$523 USD
View
Most Expensive
B
Yorxs
622135568 · Oct 31
$770 SGD
€574 EUR
View
8 more retailers have this diamond
Prices start from $434 SGDSave up to $336 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.

A
0.40ct Oval
$434 SGD