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Oval|Lab Grown|IGI

1.27ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG851682369

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG851682369

Diamond specifications and retailer prices

From £332 GBP
As of October 30, 2026
Save £328 GBP (50%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £660 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.27ct lab-grown oval diamond

This 1.27ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851682369 or 851682369. Listed at 5 retailers as of October 30, 2026, with prices from £332 to £660, a £328 spread on the same certified stone. Taylor and Hart lists it at £660. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851682369
Dimensions8.94 × 6.18 × 3.57 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.94 mm6.18 mm1.27 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851682369
Side View
Table 62.0%Crown 33.5°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 57.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £356 GBP|Low: £332 GBP|High: £660 GBP|Avg: £500 GBP
Retailer 1
Retailer 2
Retailer 3
Taylor and Hart
October 31, 2026
Retailer 3£332 GBP
Retailer 1£356 GBP
Retailer 2£659 GBP
Taylor and Hart£660 GBP

2 data points across 4 retailers

5 retailers£332 GBP to £660 GBP

A
Cheapest Retailer
-
£332 GBP
A
Retailer 2
-
£356 GBP
View
B+
Retailer 3
-
£448 GBP
View
B
Retailer 4
-
£659 GBP
View
Most Expensive
B
Taylor and Hart
6G2N0B1 · Oct 31
£660 GBP
$891 USD
View
4 more retailers have this diamond
Prices start from £332 GBPSave up to £328 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
1.27ct Oval
£332 GBP