Oval|Natural|GIA

0.40ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 7551003925

Certificate GIA 7551003925

Diamond specifications and retailer prices

From $329 USD
SGD 444 SGD
As of October 30, 2026
Save $258 USD (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $587 USD 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 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 7551003925. Listed at 9 retailers as of October 28, 2026, with prices from $329 to $587, a $258 spread on the same certified stone. Yorxs lists it at $587. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle39.09°
Pavilion angle40.01°
OriginNatural
Grading LabGIA
CertificateGIA 7551003925
Dimensions5.75 × 4.13 × 2.56 mm
L/W Ratio1.39
Culet sizeNone
Top View
5.75 mm4.13 mm0.40 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7551003925
Side View
Table 60.0%Crown 39.09°Girdle: MED-VTKPavilion 40.01°Culet: NoneDepth 62.1%

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: Oct 30
Current: $441 USD|Low: $329 USD|High: $624 USD|Avg: $445 USD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
October 30, 2026
Retailer 5$329 USD
Retailer 7$340 USD
Retailer 4$376 USD
Retailer 3$423 USD
Retailer 2$428 USD
Retailer 1$441 USD
Retailer 6$494 USD
Yorxs$587 USD

42 data points across 8 retailers

9 retailers$329 USD to $587 USD

A
Cheapest Retailer
-
$329 USD
SGD 444 SGD
A
Retailer 2
-
$340 USD
View
A
Retailer 3
-
$376 USD
SGD 508 SGD
View
B+
Retailer 4
-
$423 USD
£333 GBP
View
B+
Retailer 5
-
$428 USD
View
B+
Retailer 6
-
$441 USD
£347 GBP
View
B+
Retailer 7
-
$494 USD
View
B
Retailer 8
-
$509 USD
View
Most Expensive
B
Yorxs
526425817 · Oct 28
$587 USD
€559 EUR
View
8 more retailers have this diamond
Prices start from $329 USDSave up to $258 USD

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
$329 USD