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Oval|Lab Grown|IGI

1.27ct F VVS1 Oval Lab Grown Diamond

EX • F/VVS1 • IGI LG743518521

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG743518521

Diamond specifications and retailer prices

From £238 GBP
As of November 5, 2026
Save £462 GBP (66%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £699 GBP at Frank Darling · As of November 6, 2026
View at Frank Darling

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG743518521 or 743518521. Listed at 5 retailers as of November 5, 2026, with prices from £238 to £699, a £462 spread on the same certified stone. Frank Darling lists it at £699. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743518521
Dimensions8.77 × 6.12 × 3.79 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Top View
8.77 mm6.12 mm1.27 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743518521
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
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 5
Current: £699 GBP|Low: £224 GBP|High: £1,456 GBP|Avg: £572 GBP|+3.7%
Frank Darling
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
November 5, 2026
Retailer 8£238 GBP
Retailer 9£253 GBP
Retailer 14£349 GBP
Retailer 2£367 GBP
Retailer 11£389 GBP
Retailer 3£449 GBP
Retailer 4£450 GBP
Retailer 7£452 GBP
Retailer 10£552 GBP
Retailer 6£684 GBP
Frank Darling£699 GBP
Retailer 13£795 GBP
Retailer 5£849 GBP
Retailer 12£1,456 GBP

3 data points across 14 retailers

5 retailers£238 GBP to £699 GBP

A
Cheapest Retailer
-
£238 GBP
B+
Retailer 2
-
£253 GBP
View
A
Retailer 3
-
£367 GBP
View
B+
Retailer 4
-
£452 GBP
View
Most Expensive
B
Frank Darling
100753236360BD · Nov 6
£699 GBP
$941 USD
View
4 more retailers have this diamond
Prices start from £238 GBPSave up to £462 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
£238 GBP