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Oval|Lab Grown|IGI

1.51ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG766657524

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG766657524

Diamond specifications and retailer prices

From £171 GBP
As of November 3, 2026
Save £777 GBP (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £948 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 LG766657524 or 766657524. Listed at 21 retailers as of November 3, 2026, with prices from £171 to £948, a £777 spread on the same certified stone. Brilliant Earth lists it at £948. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766657524
Dimensions8.82 × 6.39 × 4.03 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.82 mm6.39 mm1.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG766657524
Side View
Table 67.0%Crown 39.1°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 63.1%

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: £948 GBP|Low: £171 GBP|High: £1,000 GBP|Avg: £515 GBP|-5.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 9£171 GBP
Retailer 11£213 GBP
Retailer 4£289 GBP
Retailer 7£356 GBP
Retailer 6£366 GBP
Retailer 2£396 GBP
Retailer 12£399 GBP
Retailer 8£530 GBP
Retailer 10£773 GBP
Retailer 3£824 GBP
Retailer 5£848 GBP
Brilliant Earth£948 GBP

44 data points across 12 retailers

21 retailers£171 GBP to £948 GBP

A
Cheapest Retailer
-
£171 GBP
A
Retailer 2
-
£199 GBP
View
A
Retailer 3
-
£213 GBP
View
Retailer 4
-
£213 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£237 GBP
View
B+
Retailer 6
-
£289 GBP
View
A
Retailer 7
-
£356 GBP
View
A
Retailer 8
-
£366 GBP
View
A
Retailer 9
-
£382 GBP
View
A
Retailer 10
-
£396 GBP
View
A
Retailer 11
-
£399 GBP
View
B+
Retailer 12
-
£530 GBP
View
B
Retailer 13
-
£682 GBP
View
B
Retailer 14
-
£693 GBP
View
B+
Retailer 15
-
£721 GBP
View
B
Retailer 16
-
£773 GBP
View
Retailer 17
-
£782 GBP
View
Price last confirmed 101 days ago
B
Retailer 18
-
£824 GBP
View
B
Retailer 19
-
£848 GBP
View
B
Retailer 20
-
£864 GBP
View
Most Expensive
B
Brilliant Earth
20550770A · Nov 4
£948 GBP
$1,280 USD
View
20 more retailers have this diamond
Prices start from £171 GBPSave up to £777 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
£171 GBP