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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 €303 EUR
SGD 459 SGD
As of November 2, 2026
Save €235 EUR (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €538 EUR at Yorxs · As of November 2, 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 November 2, 2026, with prices from €303 to €538, a €235 spread on the same certified stone. Yorxs lists it at €538. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €406 EUR|Low: €303 EUR|High: €563 EUR|Avg: €413 EUR|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 2, 2026
Retailer 7€303 EUR
Retailer 3€343 EUR
Retailer 2€390 EUR
Retailer 5€394 EUR
Retailer 6€401 EUR
Retailer 1€406 EUR
Retailer 4€454 EUR
Yorxs€538 EUR

40 data points across 8 retailers

9 retailers€303 EUR to €538 EUR

A
Cheapest Retailer
-
€303 EUR
SGD 459 SGD
A
Retailer 2
-
€343 EUR
SGD 520 SGD
View
B+
Retailer 3
-
€390 EUR
£344 GBP
View
B+
Retailer 4
-
€394 EUR
$442 USD
View
B+
Retailer 5
-
€401 EUR
$450 USD
View
B+
Retailer 6
-
€406 EUR
£358 GBP
View
B
Retailer 7
-
€454 EUR
$509 USD
View
B
Retailer 8
-
€466 EUR
$523 USD
View
Most Expensive
B
Yorxs
622135568 · Nov 2
€538 EUR
View
8 more retailers have this diamond
Prices start from €303 EURSave up to €235 EUR

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
€303 EUR