Round|Lab Grown|IGI

1.28ct F VVS2 Round Lab Grown Diamond

EX • F/VVS2 • IGI LG845634774

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845634774

Diamond specifications and retailer prices

From £137 GBP
As of November 3, 2026
Save £965 GBP (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,102 GBP at Yadav Diamonds · As of November 4, 2026
View at Yadav Diamonds

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round 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 LG845634774 or 845634774. Listed at 21 retailers as of November 3, 2026, with prices from £137 to £1,102, a £965 spread on the same certified stone. Yadav Diamonds lists it at £1,102. 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 angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845634774
Dimensions6.98 × 7.01 × 4.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm7.01 mm1.28 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845634774
Side View
Table 60.0%Crown 33.6°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.8%

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: £292 GBP|Low: £137 GBP|High: £1,102 GBP|Avg: £398 GBP|-0.5%
Retailer 1
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Retailer 20
Yadav Diamonds
November 4, 2026
Retailer 4£137 GBP
Retailer 3£159 GBP
Retailer 2£170 GBP
Retailer 7£170 GBP
Retailer 6£199 GBP
Retailer 11£230 GBP
Retailer 19£285 GBP
Retailer 1£292 GBP
Retailer 16£293 GBP
Retailer 14£302 GBP
Retailer 5£333 GBP
Retailer 9£354 GBP
Retailer 12£396 GBP
Retailer 18£404 GBP
Retailer 15£413 GBP
Retailer 20£545 GBP
Retailer 13£564 GBP
Retailer 8£578 GBP
Retailer 10£584 GBP
Retailer 17£793 GBP
Yadav Diamonds£1,102 GBP

17 data points across 21 retailers

21 retailers£137 GBP to £1,102 GBP

A
Cheapest Retailer
-
£137 GBP
A
Retailer 2
-
£159 GBP
View
Retailer 3
-
£170 GBP
View
Price last confirmed 18 days ago
A
Retailer 4
-
£170 GBP
View
A
Retailer 5
-
£199 GBP
View
B+
Retailer 6
-
£230 GBP
View
A
Retailer 7
-
£285 GBP
View
A
Retailer 8
-
£292 GBP
View
A
Retailer 9
-
£293 GBP
View
A
Retailer 10
-
£302 GBP
View
A
Retailer 11
-
£333 GBP
View
B+
Retailer 12
-
£354 GBP
View
B+
Retailer 13
-
£396 GBP
View
B+
Retailer 14
-
£404 GBP
View
B+
Retailer 15
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£413 GBP
View
B
Retailer 16
-
£545 GBP
View
B
Retailer 17
-
£564 GBP
View
B
Retailer 18
-
£578 GBP
View
B
Retailer 19
-
£584 GBP
View
B
Retailer 20
-
£793 GBP
View
Most Expensive
B
Yadav Diamonds
13364414 · Nov 4
£1,102 GBP
$1,488 USD
View
20 more retailers have this diamond
Prices start from £137 GBPSave up to £965 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 Round
£137 GBP