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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG526277184

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

Certificate IGI LG526277184

Diamond specifications and retailer prices

From £187 GBP
$251 USD
As of November 2, 2026
Save £824 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,011 GBP at Reve Diamonds · As of November 1, 2026
View at Reve 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG526277184 or 526277184. Listed at 19 retailers as of November 1, 2026, with prices from £187 to £1,011, a £824 spread on the same certified stone. Reve Diamonds lists it at £1,011. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526277184
Dimensions7.52 × 5.30 × 3.69 mm
L/W Ratio1.42
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
7.52 mm5.30 mm1.28 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526277184
Side View
Table 60.5%Crown 45.6°Girdle: MED-STKPavilionCulet: NoneDepth 69.6%

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: £442 GBP|Low: £180 GBP|High: £1,011 GBP|Avg: £488 GBP|+8.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Retailer 17
Reve Diamonds
November 2, 2026
Retailer 16£187 GBP
Retailer 9£209 GBP
Retailer 4£217 GBP
Retailer 5£232 GBP
Retailer 17£232 GBP
Retailer 14£350 GBP
Retailer 6£373 GBP
Retailer 3£389 GBP
Retailer 10£401 GBP
Retailer 7£422 GBP
Retailer 1£442 GBP
Retailer 11£514 GBP
Retailer 13£565 GBP
Retailer 15£712 GBP
Retailer 2£746 GBP
Retailer 8£784 GBP
Retailer 12£935 GBP
Reve Diamonds£1,011 GBP

43 data points across 18 retailers

19 retailers£187 GBP to £1,011 GBP

A
Cheapest Retailer
-
£187 GBP
$251 USD
A
Retailer 2
-
£209 GBP
$280 USD
View
Final sale: no returns
A
Retailer 3
-
£217 GBP
$291 USD
View
Retailer 4
-
£232 GBP
$311 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£232 GBP
$311 USD
View
A
Retailer 6
-
£350 GBP
$470 USD
View
B+
Retailer 7
-
£373 GBP
$501 USD
View
B+
Retailer 8
-
£389 GBP
$522 USD
View
B+
Retailer 9
-
£401 GBP
ZAR 8,683 ZAR
View
B+
Retailer 10
-
£422 GBP
$566 USD
View
B+
Retailer 11
-
£442 GBP
View
B+
Retailer 12
-
£514 GBP
$690 USD
View
B+
Retailer 13
-
£565 GBP
A$1,166 AUD
View
B
Retailer 14
-
£572 GBP
HK$6,000 HKD
View
B
Retailer 15
-
£712 GBP
$956 USD
View
B
Retailer 16
-
£746 GBP
$1,001 USD
View
B
Retailer 17
-
£784 GBP
$1,052 USD
View
B
Retailer 18
-
£935 GBP
View
Most Expensive
B
Reve Diamonds
8FA67E225 · Nov 1
£1,011 GBP
$1,357 USD
View
18 more retailers have this diamond
Prices start from £187 GBPSave up to £824 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
£187 GBP