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Oval|Lab Grown|IGI

1.51ct G VS1 Oval Lab Grown Diamond

EX • G/VS1 • IGI LG775630322

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG775630322

Diamond specifications and retailer prices

From £229 GBP
As of October 29, 2026
Save £697 GBP (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £926 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG775630322 or 775630322. Listed at 15 retailers as of October 29, 2026, with prices from £229 to £926, a £697 spread on the same certified stone. Brilliant Earth lists it at £926. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775630322
Dimensions9.40 × 6.50 × 3.92 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.40 mm6.50 mm1.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775630322
Side View
Table 61.0%Crown 33.2°Girdle: MED-STKPavilion 40°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £926 GBP|Low: £196 GBP|High: £1,000 GBP|Avg: £503 GBP|-4.6%
Brilliant Earth
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
October 31, 2026
Retailer 13£196 GBP
Retailer 9£229 GBP
Retailer 6£256 GBP
Retailer 10£336 GBP
Retailer 2£345 GBP
Retailer 14£354 GBP
Retailer 7£360 GBP
Retailer 11£456 GBP
Retailer 12£630 GBP
Retailer 3£633 GBP
Retailer 5£667 GBP
Retailer 8£787 GBP
Retailer 4£796 GBP
Brilliant Earth£926 GBP

17 data points across 14 retailers

15 retailers£229 GBP to £926 GBP

Retailer 1
-
£183 GBP
Price last confirmed 9 days ago
Retailer 2
-
£196 GBP
View
Price last confirmed 11 days ago
A
Retailer 3
-
£229 GBP
View
B+
Retailer 4
-
£256 GBP
View
Retailer 5
-
£336 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£345 GBP
View
A
Retailer 7
-
£354 GBP
View
A
Retailer 8
-
£360 GBP
View
Retailer 9
-
£456 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
£630 GBP
View
Price last confirmed 10 days ago
B+
Retailer 11
-
£633 GBP
View
B+
Retailer 12
-
£667 GBP
View
B
Retailer 13
-
£787 GBP
View
Retailer 14
-
£796 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20122127A · Oct 31
£926 GBP
$1,250 USD
View
14 more retailers have this diamond
Prices start from £229 GBPSave up to £697 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
1.51ct Oval
£229 GBP