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Radiant|Lab Grown|IGI

1.28ct F VVS2 Radiant Lab Grown Diamond

ID • F/VVS2 • IGI LG729574645

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

Certificate IGI LG729574645

Diamond specifications and retailer prices

From £162 GBP
As of November 4, 2026
Save £1,391 GBP (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,553 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 LG729574645 or 729574645. Listed at 19 retailers as of November 4, 2026, with prices from £162 to £1,553, a £1,391 spread on the same certified stone. Do Amore Diamonds lists it at £1,553. 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 angle37.3°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729574645
Dimensions7.85 × 5.54 × 3.46 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.85 mm5.54 mm1.28 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729574645
Side View
Table 64.0%Crown 37.3°Girdle: MED-STKPavilion 34.1°Culet: NoneDepth 62.5%

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 4
Current: £1,553 GBP|Low: £155 GBP|High: £1,553 GBP|Avg: £508 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 12£162 GBP
Retailer 4£188 GBP
Retailer 5£201 GBP
Retailer 13£201 GBP
Retailer 2£245 GBP
Retailer 8£383 GBP
Retailer 6£416 GBP
Retailer 7£543 GBP
Retailer 10£557 GBP
Retailer 11£648 GBP
Retailer 3£713 GBP
Retailer 9£889 GBP
Do Amore Diamonds£1,553 GBP

41 data points across 13 retailers

19 retailers£162 GBP to £1,553 GBP

A
Cheapest Retailer
-
£162 GBP
A
Retailer 2
-
£188 GBP
View
Retailer 3
-
£201 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£201 GBP
View
A
Retailer 5
-
£245 GBP
View
B+
Retailer 6
-
£270 GBP
View
A
Retailer 7
-
£282 GBP
View
A
Retailer 8
-
£302 GBP
View
A
Retailer 9
-
£383 GBP
View
B+
Retailer 10
-
£416 GBP
View
B+
Retailer 11
-
£460 GBP
View
B+
Retailer 12
-
£543 GBP
View
Retailer 13
-
£557 GBP
View
Price last confirmed 12 days ago
B
Retailer 14
-
£648 GBP
View
B
Retailer 15
-
£713 GBP
View
B
Retailer 16
-
£840 GBP
View
B
Retailer 17
-
£860 GBP
View
B
Retailer 18
-
£889 GBP
View
Most Expensive
B
Do Amore Diamonds
27-8FE7E86BE · Nov 4
£1,553 GBP
$2,090 USD
View
18 more retailers have this diamond
Prices start from £162 GBPSave up to £1,391 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
£162 GBP