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Oval|Natural|IGI

0.51ct H SI2 Oval Natural Diamond

VG • H/SI2 • IGI 769663874

Shape and cutting style on the report: Oval brilliant

Certificate IGI 769663874

Diamond specifications and retailer prices

From £332 GBP
As of November 6, 2026
Save £1,049 GBP (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,381 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 769663874. Listed at 11 retailers as of November 5, 2026, with prices from £332 to £1,381, a £1,049 spread on the same certified stone. NZ Jewellers lists it at £1,381. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.3°
Pavilion angle42.5°
OriginNatural
Grading LabIGI
CertificateIGI 769663874
Dimensions6.25 × 4.29 × 2.86 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Top View
6.25 mm4.29 mm0.51 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 769663874
Side View
Table 60.0%Crown 31.3°Girdle: STK-VTKPavilion 42.5°Culet: NoneDepth 66.7%

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: Nov 6
Current: £1,381 GBP|Low: £305 GBP|High: £1,381 GBP|Avg: £544 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 12£332 GBP
Retailer 6£360 GBP
Retailer 7£388 GBP
Retailer 11£388 GBP
Retailer 10£416 GBP
Retailer 2£428 GBP
Retailer 4£458 GBP
Retailer 13£471 GBP
Retailer 3£479 GBP
Retailer 5£541 GBP
Retailer 9£542 GBP
Retailer 8£831 GBP
NZ Jewellers£1,381 GBP

39 data points across 13 retailers

11 retailers£332 GBP to £1,381 GBP

B+
Cheapest Retailer
-
£332 GBP
Final sale: no returns
B+
Retailer 2
-
£360 GBP
View
B+
Retailer 3
-
£388 GBP
View
Retailer 4
-
£388 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£416 GBP
View
B+
Retailer 6
-
£428 GBP
View
B+
Retailer 7
-
£458 GBP
View
B+
Retailer 8
-
£471 GBP
View
B
Retailer 9
-
£542 GBP
View
B
Retailer 10
-
£831 GBP
View
Most Expensive
C
NZ Jewellers
418aec67-418f-42c0-b1c5-9fb5fa9d784b · Nov 5
£1,381 GBP
$1,849 USD
View
10 more retailers have this diamond
Prices start from £332 GBPSave up to £1,049 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
£332 GBP