Oval|Lab Grown|IGI

1.28ct F VVS2 Oval Lab Grown Diamond

EX • F/VVS2 • IGI LG828656688

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG828656688

Diamond specifications and retailer prices

From £337 GBP
As of October 29, 2026
Save £518 GBP (61%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,293 GBP at Queensmith · As of October 28, 2026
View at Queensmith

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828656688 or 828656688. Listed at 19 retailers as of October 29, 2026, with a 154% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828656688
Dimensions8.77 × 6.16 × 3.76 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.77 mm6.16 mm1.28 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828656688
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £1,293 GBP|Low: £149 GBP|High: £1,293 GBP|Avg: £383 GBP
Queensmith
Retailer 2
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October 29, 2026
Retailer 11£149 GBP
Retailer 8£166 GBP
Retailer 18£172 GBP
Retailer 3£184 GBP
Retailer 17£184 GBP
Retailer 13£206 GBP
Retailer 6£249 GBP
Retailer 15£316 GBP
Retailer 2£337 GBP
Retailer 7£368 GBP
Retailer 9£384 GBP
Retailer 16£450 GBP
Retailer 4£494 GBP
Retailer 19£592 GBP
Retailer 5£594 GBP
Retailer 10£632 GBP
Retailer 12£866 GBP
Retailer 14£886 GBP
Queensmith£1,293 GBP

22 data points across 19 retailers

19 retailers£337 GBP to £854 GBP

Retailer 1
-
£149 GBP
Price last confirmed 15 days ago
Retailer 2
-
£172 GBP
View
Price last confirmed 9 days ago
Retailer 3
-
£184 GBP
View
Price last confirmed 11 days ago
Retailer 4
-
£184 GBP
View
Price last confirmed 7 days ago
Retailer 5
-
£206 GBP
View
Price last confirmed 7 days ago
Retailer 6
-
£249 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
£316 GBP
View
Price last confirmed 9 days ago
A
Retailer 8
-
£337 GBP
View
Retailer 9
-
£368 GBP
View
Price last confirmed 7 days ago
A
Retailer 10
-
£384 GBP
View
Retailer 11
-
£450 GBP
View
Price last confirmed 9 days ago
Retailer 12
-
£494 GBP
View
Price last confirmed 18 days ago
Retailer 13
-
£592 GBP
View
Price last confirmed 8 days ago
Retailer 14
-
£594 GBP
View
Price last confirmed 10 days ago
Retailer 15
-
£632 GBP
View
Price last confirmed 8 days ago
B
Retailer 16
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£854 GBP
View
Retailer 17
-
£866 GBP
View
Price last confirmed 7 days ago
Retailer 18
-
£886 GBP
View
Price last confirmed 8 days ago
Most Expensive
Queensmith
LG828656688 · Oct 28
£1,293 GBP
View
Price last confirmed 7 days ago
18 more retailers have this diamond
Prices start from £337 GBPSave up to £518 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
£337 GBP