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Oval|Natural|IGI

0.51ct I I1 Oval Natural Diamond

EX • I/I1 • IGI GT13396804

Certificate IGI GT13396804

Diamond specifications and retailer prices

From £442 GBP
$592 USD
As of October 29, 2026
Save £111 GBP (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £553 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI GT13396804. Listed at 3 retailers as of October 26, 2026, with prices from £442 to £553, a £111 spread on the same certified stone. Wholesale Diamonds Direct lists it at £553. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabIGI
CertificateIGI GT13396804
Dimensions5.96 × 4.13 × 3.14 mm
L/W Ratio1.44
Top View
5.96 mm4.13 mm0.51 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateIGI GT13396804
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 76.0%

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 29
Current: £541 GBP|Low: £442 GBP|High: £681 GBP|Avg: £574 GBP|-17.2%
Retailer 1
Retailer 2
Retailer 3
Wholesale Diamonds Direct
November 2, 2026
Retailer 2£442 GBP
Retailer 1£541 GBP
Wholesale Diamonds Direct£553 GBP
Retailer 3£681 GBP

11 data points across 4 retailers

3 retailers£442 GBP to £553 GBP

B+
Cheapest Retailer
-
£442 GBP
$592 USD
B
Retailer 2
-
£541 GBP
€691 EUR
View
Most Expensive
C
Wholesale Diamonds Direct
25628029 · Oct 26
£553 GBP
$741 USD
View
2 more retailers have this diamond
Prices start from £442 GBPSave up to £111 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+
0.51ct Oval
£442 GBP