Radiant|Lab Grown|IGI

3.98ct F VVS1 Radiant Lab Grown Diamond

ID • F/VVS1 • IGI LG669468954

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

Certificate IGI LG669468954

Diamond specifications and retailer prices

From £862 GBP
$1,157 USD
As of November 2, 2026
Save £2,983 GBP (78%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: £3,845 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.98ct lab-grown radiant diamond

This 3.98ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG669468954 or 669468954. Listed at 28 retailers as of November 2, 2026, with prices from £862 to £3,845, a £2,983 spread on the same certified stone. Brilliant Earth lists it at £3,845. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.98
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.6°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669468954
Dimensions11.15 × 7.15 × 5.11 mm
L/W Ratio1.56
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.15 mm7.15 mm3.98 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669468954
Side View
Table 70.0%Crown 48.6°Girdle: MED-STKPavilion 30.2°Culet: NoneDepth 71.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £3,845 GBP|Low: £828 GBP|High: £6,625 GBP|Avg: £2,341 GBP|-42.0%
Brilliant Earth
Retailer 2
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Retailer 21
Retailer 22
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Retailer 24
November 2, 2026
Retailer 5£862 GBP
Retailer 3£938 GBP
Retailer 10£1,000 GBP
Retailer 21£1,129 GBP
Retailer 12£1,154 GBP
Retailer 8£1,216 GBP
Retailer 23£1,431 GBP
Retailer 13£1,451 GBP
Retailer 2£1,593 GBP
Retailer 19£1,799 GBP
Retailer 7£1,875 GBP
Retailer 6£2,200 GBP
Retailer 18£2,259 GBP
Retailer 20£2,323 GBP
Retailer 14£2,453 GBP
Retailer 17£2,760 GBP
Retailer 9£2,898 GBP
Retailer 4£2,984 GBP
Retailer 24£3,066 GBP
Retailer 22£3,219 GBP
Retailer 11£3,350 GBP
Retailer 15£3,502 GBP
Retailer 16£3,625 GBP
Brilliant Earth£3,845 GBP

33 data points across 24 retailers

28 retailers£862 GBP to £3,845 GBP

A
Cheapest Retailer
-
£862 GBP
$1,157 USD
A
Retailer 2
-
£938 GBP
$1,259 USD
View
A
Retailer 3
-
£1,000 GBP
$1,342 USD
View
Retailer 4
-
£1,001 GBP
$1,343 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
£1,016 GBP
$1,363 USD
View
Final sale: no returns
A
Retailer 6
-
£1,129 GBP
$1,515 USD
View
A
Retailer 7
-
£1,154 GBP
HK$12,100 HKD
View
A
Retailer 8
-
£1,216 GBP
$1,632 USD
View
B+
Retailer 9
-
£1,431 GBP
$1,920 USD
View
A
Retailer 10
-
£1,451 GBP
View
B+
Retailer 11
-
£1,593 GBP
€2,036 EUR
View
B+
Retailer 12
-
£1,799 GBP
$2,414 USD
View
Retailer 13
-
£1,854 GBP
$2,488 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
£1,875 GBP
$2,516 USD
View
B+
Retailer 15
-
£2,200 GBP
$2,952 USD
View
B
Retailer 16
-
£2,259 GBP
A$4,664 AUD
View
B+
Retailer 17
-
£2,323 GBP
ZAR 50,360 ZAR
View
B
Retailer 18
-
£2,453 GBP
$3,292 USD
View
B
Retailer 19
-
£2,760 GBP
View
B
Retailer 20
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£2,768 GBP
$3,715 USD
View
B
Retailer 21
-
£2,898 GBP
$3,889 USD
View
Retailer 22
-
£2,984 GBP
A$6,160 AUD
View
Price last confirmed 25 days ago
B
Retailer 23
-
£3,066 GBP
$4,115 USD
View
B
Retailer 24
-
£3,219 GBP
View
B
Retailer 25
-
£3,350 GBP
SGD 6,075 SGD
View
B
Retailer 26
-
£3,502 GBP
$4,700 USD
View
B
Retailer 27
-
£3,623 GBP
$4,862 USD
View
Most Expensive
B
Brilliant Earth
12499879A · Nov 2
£3,845 GBP
$5,160 USD
View
27 more retailers have this diamond
Prices start from £862 GBPSave up to £2,983 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
3.98ct Radiant
£862 GBP