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Oval|Natural|IGI

0.51ct I I1 Oval Natural Diamond

GD • I/I1 • IGI GT13396904

Shape and cutting style on the report: Oval brilliant

Certificate IGI GT13396904

Diamond specifications and retailer prices

From £520 GBP
$697 USD
As of October 29, 2026
Save £150 GBP (22%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £670 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 standard cut grade and certified by IGI GT13396904. Listed at 3 retailers as of October 26, 2026, with prices from £520 to £670, a £150 spread on the same certified stone. Wholesale Diamonds Direct lists it at £670. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
I
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle32.5°
Pavilion angle39.2°
OriginNatural
Grading LabIGI
CertificateIGI GT13396904
Dimensions6.38 × 4.49 × 2.61 mm
L/W Ratio1.42
Culet sizeNone
Cert comments
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Top View
6.38 mm4.49 mm0.51 ctI / I1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI GT13396904
Side View
Table 57.0%Crown 32.5°Girdle: STK-UNDPavilion 39.2°Culet: NoneDepth 58.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £644 GBP|Low: £520 GBP|High: £802 GBP|Avg: £677 GBP|-13.1%
Retailer 1
Retailer 2
Retailer 3
Wholesale Diamonds Direct
October 31, 2026
Retailer 2£520 GBP
Retailer 1£644 GBP
Wholesale Diamonds Direct£670 GBP
Retailer 3£802 GBP

12 data points across 4 retailers

3 retailers£520 GBP to £670 GBP

B
Cheapest Retailer
-
£520 GBP
$697 USD
C
Retailer 2
-
£644 GBP
€822 EUR
View
Most Expensive
C
Wholesale Diamonds Direct
19046691 · Oct 26
£670 GBP
$898 USD
View
2 more retailers have this diamond
Prices start from £520 GBPSave up to £150 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
£520 GBP