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Oval|Lab Grown|IGI

0.52ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG499114528

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG499114528

Diamond specifications and retailer prices

From £269 GBP
As of November 6, 2026
Save £348 GBP (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,351 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 0.52ct lab-grown oval diamond

This 0.52ct 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 LG499114528 or 499114528. Listed at 13 retailers as of November 6, 2026, with a 129% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.52
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.1°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499114528
Dimensions6.47 × 4.66 × 2.89 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.47 mm4.66 mm0.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG499114528
Side View
Table 56.5%Crown 32.1°Girdle: THN-MEDPavilion 42.6°Culet: NoneDepth 62.0%

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: Nov 6
Current: £1,351 GBP|Low: £267 GBP|High: £1,368 GBP|Avg: £556 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6£269 GBP
Retailer 5£279 GBP
Retailer 9£312 GBP
Retailer 7£346 GBP
Retailer 10£346 GBP
Retailer 8£552 GBP
Retailer 2£615 GBP
Retailer 3£617 GBP
Retailer 4£1,015 GBP
MOH London£1,351 GBP

46 data points across 10 retailers

13 retailers£269 GBP to £617 GBP

B+
Cheapest Retailer
-
£269 GBP
B+
Retailer 2
-
£279 GBP
View
B+
Retailer 3
-
£312 GBP
View
Final sale: no returns
B+
Retailer 4
-
£323 GBP
View
B
Retailer 5
-
£346 GBP
View
Retailer 6
-
£346 GBP
View
Price last confirmed 12 days ago
B
Retailer 7
-
£552 GBP
View
B
Retailer 8
-
£615 GBP
View
B
Retailer 9
-
£617 GBP
View
Retailer 10
-
£1,015 GBP
View
Price under review
Retailer 11
-
£1,112 GBP
View
Price under review
Retailer 12
-
£1,216 GBP
View
Price under review
Most Expensive
MOH London
LG499114528 · Nov 3
£1,351 GBP
View
Price under review
12 more retailers have this diamond
Prices start from £269 GBPSave up to £348 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+
0.52ct Oval
£269 GBP