Oval|Lab Grown|IGI

0.51ct E SI1 Oval Lab Grown Diamond

GD • E/SI1 • IGI LG795626445

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG795626445

Diamond specifications and retailer prices

From £131 GBP
As of November 6, 2026
Save £420 GBP (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £551 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct lab-grown oval diamond

This 0.51ct lab-grown oval sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG795626445 or 795626445. Listed at 8 retailers as of November 4, 2026, with prices from £131 to £551, a £420 spread on the same certified stone. MOH London lists it at £551. 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
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle38.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795626445
Dimensions6.58 × 4.60 × 2.57 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.58 mm4.60 mm0.51 ctE / SI1
OriginLab Grown
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG795626445
Side View
Table 67.0%Crown 38.4°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 55.9%

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: £551 GBP|Low: £119 GBP|High: £556 GBP|Avg: £234 GBP|+1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3£131 GBP
Retailer 2£155 GBP
Retailer 7£161 GBP
Retailer 5£164 GBP
Retailer 4£182 GBP
Retailer 6£250 GBP
Retailer 8£284 GBP
MOH London£551 GBP

45 data points across 8 retailers

8 retailers£131 GBP to £551 GBP

B+
Cheapest Retailer
-
£131 GBP
B+
Retailer 2
-
£155 GBP
View
B+
Retailer 3
-
£161 GBP
View
B+
Retailer 4
-
£164 GBP
View
B+
Retailer 5
-
£182 GBP
View
B
Retailer 6
-
£250 GBP
View
B
Retailer 7
-
£284 GBP
View
Most Expensive
C
MOH London
LG795626445 · Nov 4
£551 GBP
View
7 more retailers have this diamond
Prices start from £131 GBPSave up to £420 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
£131 GBP