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Oval|Lab Grown|IGI

1.28ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG608358776

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG608358776

Diamond specifications and retailer prices

From £196 GBP
As of November 3, 2026
Save £777 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £974 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.28ct lab-grown oval diamond

This 1.28ct 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 LG608358776 or 608358776. Listed at 18 retailers as of November 3, 2026, with prices from £196 to £974, a £777 spread on the same certified stone. MOH London lists it at £974. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608358776
Dimensions8.73 × 6.08 × 3.81 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.73 mm6.08 mm1.28 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608358776
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

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: £974 GBP|Low: £196 GBP|High: £1,039 GBP|Avg: £477 GBP|-6.2%
MOH London
Retailer 2
Retailer 3
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Retailer 18
November 5, 2026
Retailer 4£196 GBP
Retailer 6£220 GBP
Retailer 15£228 GBP
Retailer 8£244 GBP
Retailer 10£246 GBP
Retailer 18£252 GBP
Retailer 11£290 GBP
Retailer 9£363 GBP
Retailer 3£376 GBP
Retailer 13£420 GBP
Retailer 17£431 GBP
Retailer 2£462 GBP
Retailer 12£598 GBP
Retailer 16£749 GBP
Retailer 14£784 GBP
Retailer 5£821 GBP
Retailer 7£948 GBP
MOH London£974 GBP

24 data points across 18 retailers

18 retailers£196 GBP to £974 GBP

A
Cheapest Retailer
-
£196 GBP
A
Retailer 2
-
£220 GBP
View
Final sale: no returns
A
Retailer 3
-
£228 GBP
View
A
Retailer 4
-
£244 GBP
View
Retailer 5
-
£246 GBP
View
Price last confirmed 11 days ago
B+
Retailer 6
-
£252 GBP
View
A
Retailer 7
-
£290 GBP
View
A
Retailer 8
-
£363 GBP
View
A
Retailer 9
-
£376 GBP
View
A
Retailer 10
-
£420 GBP
View
A
Retailer 11
-
£431 GBP
View
B+
Retailer 12
-
£462 GBP
View
B+
Retailer 13
-
£598 GBP
View
B
Retailer 14
-
£749 GBP
View
B
Retailer 15
-
£784 GBP
View
B
Retailer 16
-
£821 GBP
View
B
Retailer 17
-
£948 GBP
View
Most Expensive
B
MOH London
LG608358776 · Nov 5
£974 GBP
View
17 more retailers have this diamond
Prices start from £196 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
1.28ct Oval
£196 GBP