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Oval|Natural|GIA

0.40ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 7551003925

Certificate GIA 7551003925

Diamond specifications and retailer prices

From £245 GBP
SGD 444 SGD
As of October 30, 2026
Save £192 GBP (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £437 GBP 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 7551003925. Listed at 9 retailers as of October 30, 2026, with prices from £245 to £437, a £192 spread on the same certified stone. Yorxs lists it at £437. 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
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: £329 GBP|Low: £245 GBP|High: £465 GBP|Avg: £332 GBP|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
October 31, 2026
Retailer 5£245 GBP
Retailer 7£254 GBP
Retailer 4£281 GBP
Retailer 3£316 GBP
Retailer 2£320 GBP
Retailer 1£329 GBP
Retailer 6£368 GBP
Yorxs£437 GBP

42 data points across 8 retailers

9 retailers£245 GBP to £437 GBP

A
Cheapest Retailer
-
£245 GBP
SGD 444 SGD
A
Retailer 2
-
£254 GBP
$340 USD
View
A
Retailer 3
-
£281 GBP
SGD 508 SGD
View
B+
Retailer 4
-
£316 GBP
View
B+
Retailer 5
-
£320 GBP
$428 USD
View
B+
Retailer 6
-
£329 GBP
View
B+
Retailer 7
-
£368 GBP
$494 USD
View
B
Retailer 8
-
£380 GBP
$509 USD
View
Most Expensive
B
Yorxs
526425817 · Oct 31
£437 GBP
€558 EUR
View
8 more retailers have this diamond
Prices start from £245 GBPSave up to £192 GBP

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
£245 GBP