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Oval|Lab Grown|IGI

0.51ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG833698580

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG833698580

Diamond specifications and retailer prices

From £131 GBP
As of October 18, 2026
8 retailers carry this diamond
Most expensive: £580 GBP at MOH London · As of October 25, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG833698580 or 833698580. Listed at 8 retailers as of October 18, 2026. 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

0.51
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833698580
Dimensions6.36 × 4.45 × 2.79 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
6.36 mm4.45 mm0.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG833698580
Side View
Table 61.0%Crown 40°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 62.7%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 18
Current: £580 GBP|Low: £70 GBP|High: £585 GBP|Avg: £196 GBP|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 10£71 GBP
Retailer 3£96 GBP
Retailer 6£131 GBP
Retailer 2£134 GBP
Retailer 7£150 GBP
Retailer 5£167 GBP
Retailer 8£169 GBP
Retailer 9£201 GBP
Retailer 4£209 GBP
Retailer 11£227 GBP
MOH London£580 GBP

30 data points across 11 retailers

8 retailers£131 GBP to £580 GBP

Retailer 1
-
£131 GBP
Price last confirmed 19 days ago
Retailer 2
-
£134 GBP
View
Price last confirmed 12 days ago
Retailer 3
-
£167 GBP
View
Price last confirmed 11 days ago
Retailer 4
-
£169 GBP
View
Price last confirmed 19 days ago
Retailer 5
-
£201 GBP
View
Price last confirmed 14 days ago
Retailer 6
-
£209 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
£227 GBP
View
Price last confirmed 13 days ago
Most Expensive
MOH London
LG833698580 · Oct 25
£580 GBP
View
Price last confirmed 12 days ago
7 more retailers have this diamond

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.

0.51ct Oval
£131 GBP