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Radiant|Lab Grown|IGI

3.55ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG742514989

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

Certificate IGI LG742514989

Diamond specifications and retailer prices

From £507 GBP
$681 USD
As of November 2, 2026
Save £4,657 GBP (90%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £5,164 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.55ct lab-grown radiant diamond

This 3.55ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG742514989 or 742514989. Listed at 26 retailers as of November 2, 2026, with prices from £507 to £5,164, a £4,657 spread on the same certified stone. Do Amore Diamonds lists it at £5,164. 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

3.55
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle25.7°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742514989
Dimensions11.30 × 7.32 × 4.76 mm
L/W Ratio1.54
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.30 mm7.32 mm3.55 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742514989
Side View
Table 62.0%Crown 25.7°Girdle: MediumPavilion 32.2°Culet: NoneDepth 65.0%

Caratlytics Score

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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: £1,043 GBP|Low: £487 GBP|High: £2,585 GBP|Avg: £1,284 GBP|+2.2%
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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 4£487 GBP
Retailer 7£568 GBP
Retailer 3£589 GBP
Retailer 16£589 GBP
Retailer 13£719 GBP
Retailer 8£830 GBP
Retailer 6£885 GBP
Retailer 1£1,043 GBP
Retailer 11£1,467 GBP
Retailer 15£1,503 GBP
Retailer 12£1,508 GBP
Retailer 10£1,854 GBP
Retailer 5£2,006 GBP
Retailer 2£2,021 GBP
Retailer 14£2,135 GBP
Retailer 9£2,551 GBP

43 data points across 16 retailers

26 retailers£507 GBP to £5,164 GBP

Retailer 1
-
£487 GBP
$653 USD
Price last confirmed 31 days ago
A
Retailer 2
-
£507 GBP
$681 USD
View
Retailer 3
-
£552 GBP
$741 USD
View
Price last confirmed 35 days ago
A
Retailer 4
-
£568 GBP
$762 USD
View
Final sale: no returns
A
Retailer 5
-
£589 GBP
$790 USD
View
Retailer 6
-
£589 GBP
$790 USD
View
Price last confirmed 30 days ago
Retailer 7
-
£589 GBP
$790 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
£719 GBP
$965 USD
View
A
Retailer 9
-
£830 GBP
$1,114 USD
View
A
Retailer 10
-
£845 GBP
$1,134 USD
View
A
Retailer 11
-
£885 GBP
$1,188 USD
View
A
Retailer 12
-
£1,043 GBP
View
B+
Retailer 13
-
£1,467 GBP
A$3,028 AUD
View
B+
Retailer 14
-
£1,503 GBP
$2,017 USD
View
B+
Retailer 15
-
£1,508 GBP
ZAR 32,693 ZAR
View
Retailer 16
-
£1,826 GBP
$2,451 USD
View
Price last confirmed 32 days ago
B
Retailer 17
-
£1,826 GBP
$2,451 USD
View
B+
Retailer 18
-
£1,854 GBP
A$3,828 AUD
View
B
Retailer 19
-
£2,006 GBP
$2,692 USD
View
B
Retailer 20
-
£2,016 GBP
$2,706 USD
View
B
Retailer 21
-
£2,021 GBP
View
B
Retailer 22
-
£2,135 GBP
$2,865 USD
View
B
Retailer 23
-
£2,323 GBP
$3,118 USD
View
B
Retailer 24
-
£2,551 GBP
View
B
Retailer 25
-
£4,501 GBP
$6,040 USD
View
Most Expensive
B
Do Amore Diamonds
23-742514989 · Nov 2
£5,164 GBP
$6,930 USD
View
25 more retailers have this diamond
Prices start from £507 GBPSave up to £4,657 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
3.55ct Radiant
£507 GBP