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Oval|Lab Grown|IGI

0.51ct I VS1 Oval Lab Grown Diamond

EX • I/VS1 • IGI LG407948870

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG407948870

Diamond specifications and retailer prices

From £228 GBP
$305 USD
As of October 29, 2026
Save £910 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,137 GBP at MOH London · As of October 29, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG407948870 or 407948870. Listed at 13 retailers as of October 29, 2026, with prices from £228 to £1,137, a £910 spread on the same certified stone. MOH London lists it at £1,137. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle34.2°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407948870
Dimensions6.16 × 4.56 × 2.94 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
6.16 mm4.56 mm0.51 ctI / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG407948870
Side View
Table 56.5%Crown 34.2°Girdle: MED-STKPavilion 42.3°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,137 GBP|Low: £219 GBP|High: £1,145 GBP|Avg: £568 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 11£228 GBP
Retailer 3£255 GBP
Retailer 15£264 GBP
Retailer 12£276 GBP
Retailer 4£282 GBP
Retailer 13£282 GBP
Retailer 5£399 GBP
Retailer 14£460 GBP
Retailer 9£511 GBP
Retailer 2£520 GBP
Retailer 6£555 GBP
Retailer 10£868 GBP
Retailer 16£908 GBP
Retailer 7£1,103 GBP
Retailer 8£1,135 GBP
MOH London£1,137 GBP

25 data points across 16 retailers

13 retailers£228 GBP to £1,137 GBP

A
Cheapest Retailer
-
£228 GBP
$305 USD
A
Retailer 2
-
£255 GBP
$342 USD
View
Final sale: no returns
A
Retailer 3
-
£264 GBP
$354 USD
View
B+
Retailer 4
-
£276 GBP
$370 USD
View
B+
Retailer 5
-
£282 GBP
$378 USD
View
B+
Retailer 6
-
£282 GBP
$378 USD
View
B
Retailer 7
-
£460 GBP
$617 USD
View
B+
Retailer 8
-
£511 GBP
ZAR 11,057 ZAR
View
B+
Retailer 9
-
£520 GBP
€664 EUR
View
B
Retailer 10
-
£868 GBP
$1,163 USD
View
B
Retailer 11
-
£908 GBP
$1,216 USD
View
B
Retailer 12
-
£1,103 GBP
View
Most Expensive
B
MOH London
LG407948870 · Oct 29
£1,137 GBP
View
12 more retailers have this diamond
Prices start from £228 GBPSave up to £910 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.

A
0.51ct Oval
£228 GBP