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Oval|Natural|GIA

0.40ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 2527058284

Certificate GIA 2527058284

Diamond specifications and retailer prices

From £310 GBP
SGD 562 SGD
As of October 31, 2026
Save £222 GBP (42%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £532 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 I 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 2527058284. Listed at 6 retailers as of October 31, 2026, with prices from £310 to £532, a £222 spread on the same certified stone. Yorxs lists it at £532. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2527058284
Dimensions5.89 × 4.17 × 2.51 mm
L/W Ratio1.41
Culet sizeNone
Top View
5.89 mm4.17 mm0.40 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2527058284
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 60.3%

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: £379 GBP|Low: £310 GBP|High: £534 GBP|Avg: £402 GBP|+7.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
October 31, 2026
Retailer 3£310 GBP
Retailer 2£335 GBP
Retailer 1£379 GBP
Retailer 5£404 GBP
Retailer 4£460 GBP
Yorxs£532 GBP

38 data points across 6 retailers

6 retailers£310 GBP to £532 GBP

B+
Cheapest Retailer
-
£310 GBP
SGD 562 SGD
B+
Retailer 2
-
£335 GBP
SGD 607 SGD
View
B
Retailer 3
-
£379 GBP
View
B
Retailer 4
-
£404 GBP
$541 USD
View
B
Retailer 5
-
£460 GBP
$616 USD
View
Most Expensive
B
Yorxs
614916698 · Oct 31
£532 GBP
€679 EUR
View
5 more retailers have this diamond
Prices start from £310 GBPSave up to £222 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.

B+
0.40ct Oval
£310 GBP