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Radiant|Lab Grown|IGI

1.28ct F VVS2 Radiant Lab Grown Diamond

ID • F/VVS2 • IGI LG634438344

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG634438344

Diamond specifications and retailer prices

From £153 GBP
As of November 2, 2026
Save £1,318 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,471 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant 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 LG634438344 or 634438344. Listed at 16 retailers as of November 2, 2026, with prices from £153 to £1,471, a £1,318 spread on the same certified stone. Do Amore Diamonds lists it at £1,471. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634438344
Dimensions7.65 × 5.44 × 3.65 mm
L/W Ratio1.41
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
7.65 mm5.44 mm1.28 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634438344
Side View
Table 65.0%Crown 32.5°Girdle: MediumPavilion 35.6°Culet: NoneDepth 67.1%

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 2
Current: £386 GBP|Low: £147 GBP|High: £848 GBP|Avg: £406 GBP|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 9£153 GBP
Retailer 2£178 GBP
Retailer 3£189 GBP
Retailer 10£189 GBP
Retailer 12£328 GBP
Retailer 1£386 GBP
Retailer 4£429 GBP
Retailer 7£502 GBP
Retailer 5£512 GBP
Retailer 8£611 GBP
Retailer 11£672 GBP
Retailer 6£839 GBP

42 data points across 12 retailers

16 retailers£153 GBP to £1,471 GBP

A
Cheapest Retailer
-
£153 GBP
A
Retailer 2
-
£178 GBP
View
Retailer 3
-
£189 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£189 GBP
View
A
Retailer 5
-
£300 GBP
View
A
Retailer 6
-
£328 GBP
View
A
Retailer 7
-
£386 GBP
View
B+
Retailer 8
-
£429 GBP
View
Retailer 9
-
£502 GBP
View
Price last confirmed 16 days ago
B+
Retailer 10
-
£512 GBP
View
B+
Retailer 11
-
£563 GBP
View
B
Retailer 12
-
£611 GBP
View
B
Retailer 13
-
£672 GBP
View
B
Retailer 14
-
£800 GBP
View
B
Retailer 15
-
£839 GBP
View
Most Expensive
B
Do Amore Diamonds
27-2792A7B74 · Nov 4
£1,471 GBP
$1,980 USD
View
15 more retailers have this diamond
Prices start from £153 GBPSave up to £1,318 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 Radiant
£153 GBP