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Oval|Lab Grown|IGI

1.51ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG825654613

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG825654613

Diamond specifications and retailer prices

From £179 GBP
As of November 3, 2026
Save £888 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,067 GBP at Brilliant Earth · As of November 4, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825654613 or 825654613. Listed at 20 retailers as of November 3, 2026, with prices from £179 to £1,067, a £888 spread on the same certified stone. Brilliant Earth lists it at £1,067. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825654613
Dimensions8.96 × 6.50 × 4.05 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.96 mm6.50 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825654613
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: £1,067 GBP|Low: £176 GBP|High: £1,067 GBP|Avg: £485 GBP
Brilliant Earth
Retailer 2
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Retailer 20
November 5, 2026
Retailer 11£179 GBP
Retailer 9£199 GBP
Retailer 6£207 GBP
Retailer 3£221 GBP
Retailer 20£221 GBP
Retailer 13£258 GBP
Retailer 18£373 GBP
Retailer 15£382 GBP
Retailer 5£384 GBP
Retailer 2£416 GBP
Retailer 17£463 GBP
Retailer 19£516 GBP
Retailer 14£570 GBP
Retailer 7£686 GBP
Retailer 4£712 GBP
Retailer 10£714 GBP
Retailer 8£750 GBP
Retailer 16£887 GBP
Retailer 12£901 GBP
Brilliant Earth£1,067 GBP

26 data points across 20 retailers

20 retailers£179 GBP to £1,067 GBP

A
Cheapest Retailer
-
£179 GBP
A
Retailer 2
-
£199 GBP
View
Final sale: no returns
A
Retailer 3
-
£207 GBP
View
A
Retailer 4
-
£221 GBP
View
Retailer 5
-
£221 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£258 GBP
View
A
Retailer 7
-
£373 GBP
View
A
Retailer 8
-
£382 GBP
View
A
Retailer 9
-
£384 GBP
View
A
Retailer 10
-
£416 GBP
View
A
Retailer 11
-
£463 GBP
View
Retailer 12
-
£516 GBP
View
Price last confirmed 9 days ago
B+
Retailer 13
-
£570 GBP
View
B+
Retailer 14
-
£686 GBP
View
B+
Retailer 15
-
£712 GBP
View
B+
Retailer 16
-
£714 GBP
View
B+
Retailer 17
-
£750 GBP
View
B
Retailer 18
-
£887 GBP
View
B
Retailer 19
-
£901 GBP
View
Most Expensive
B
Brilliant Earth
22456195A · Nov 4
£1,067 GBP
$1,440 USD
View
19 more retailers have this diamond
Prices start from £179 GBPSave up to £888 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
£179 GBP