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Radiant|Lab Grown|IGI

0.84ct F IF Radiant Lab Grown Diamond

VG • F/IF • IGI LG648432931

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

Certificate IGI LG648432931

Diamond specifications and retailer prices

From £194 GBP
As of November 6, 2026
Save £1,621 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,815 GBP at Kay Jewelers · As of November 5, 2026
View at Kay Jewelers

About this 0.84ct lab-grown radiant diamond

This 0.84ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG648432931 or 648432931. Listed at 22 retailers as of November 5, 2026, with prices from £194 to £1,815, a £1,621 spread on the same certified stone. Kay Jewelers lists it at £1,815. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.84
Carat
F
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.8°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648432931
Dimensions6.65 × 4.55 × 3.19 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.65 mm4.55 mm0.84 ctF / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648432931
Side View
Table 62.0%Crown 30.8°Girdle: MED-STKPavilion 31.1°Culet: NoneDepth 70.1%

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 6
Current: £1,815 GBP|Low: £194 GBP|High: £1,957 GBP|Avg: £759 GBP|-7.3%
Kay Jewelers
Retailer 2
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Retailer 20
November 7, 2026
Retailer 18£194 GBP
Retailer 9£219 GBP
Retailer 3£225 GBP
Retailer 5£241 GBP
Retailer 7£265 GBP
Retailer 14£330 GBP
Retailer 13£462 GBP
Retailer 2£474 GBP
Retailer 8£474 GBP
Retailer 6£478 GBP
Retailer 15£550 GBP
Retailer 20£666 GBP
Retailer 10£720 GBP
Retailer 19£854 GBP
Retailer 4£977 GBP
Retailer 12£1,047 GBP
Retailer 16£1,062 GBP
Retailer 11£1,454 GBP
Kay Jewelers£1,815 GBP
Retailer 17£1,815 GBP

33 data points across 20 retailers

22 retailers£194 GBP to £1,815 GBP

A
Cheapest Retailer
-
£194 GBP
A
Retailer 2
-
£219 GBP
View
Final sale: no returns
A
Retailer 3
-
£225 GBP
View
A
Retailer 4
-
£241 GBP
View
A
Retailer 5
-
£265 GBP
View
A
Retailer 6
-
£279 GBP
View
A
Retailer 7
-
£303 GBP
View
A
Retailer 8
-
£330 GBP
View
B+
Retailer 9
-
£462 GBP
View
B+
Retailer 10
-
£474 GBP
View
B+
Retailer 11
-
£474 GBP
View
B+
Retailer 12
-
£478 GBP
View
B+
Retailer 13
-
£550 GBP
View
B+
Retailer 14
-
£666 GBP
View
B
Retailer 15
-
£720 GBP
View
B
Retailer 16
-
£854 GBP
View
B
Retailer 17
-
£977 GBP
View
Retailer 18
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£1,047 GBP
View
Price last confirmed 19 days ago
B
Retailer 19
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£1,062 GBP
View
B
Retailer 20
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£1,688 GBP
View
B
Retailer 21
-
£1,815 GBP
View
Most Expensive
B
Kay Jewelers
252515399 · Nov 5
£1,815 GBP
$2,430 USD
View
21 more retailers have this diamond
Prices start from £194 GBPSave up to £1,621 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
0.84ct Radiant
£194 GBP