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Radiant|Lab Grown|IGI

3.55ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG840645016

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

Certificate IGI LG840645016

Diamond specifications and retailer prices

From £309 GBP
$414 USD
As of October 30, 2026
Save £1,413 GBP (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,015 GBP at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 3.55ct lab-grown radiant diamond

This 3.55ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840645016 or 840645016. Listed at 13 retailers as of October 30, 2026, with a 457% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840645016
Dimensions10.80 × 7.58 × 5.02 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.80 mm7.58 mm3.55 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840645016
Side View
Table 64.0%Crown 46.3°Girdle: MediumPavilion 34.7°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,015 GBP|Low: £309 GBP|High: £2,037 GBP|Avg: £1,042 GBP|-1.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 12£309 GBP
Retailer 10£346 GBP
Retailer 6£406 GBP
Retailer 2£610 GBP
Retailer 5£680 GBP
Retailer 7£806 GBP
Retailer 11£1,074 GBP
Retailer 9£1,075 GBP
Retailer 4£1,231 GBP
Retailer 3£1,335 GBP
Retailer 8£1,414 GBP
Retailer 13£1,722 GBP
Rare Carat£2,015 GBP

26 data points across 13 retailers

13 retailers£309 GBP to £1,722 GBP

A
Cheapest Retailer
-
£309 GBP
$414 USD
A
Retailer 2
-
£346 GBP
$463 USD
View
A
Retailer 3
-
£406 GBP
View
A
Retailer 4
-
£610 GBP
€778 EUR
View
A
Retailer 5
-
£680 GBP
$911 USD
View
A
Retailer 6
-
£806 GBP
A$1,662 AUD
View
A
Retailer 7
-
£1,074 GBP
$1,439 USD
View
B+
Retailer 8
-
£1,075 GBP
$1,440 USD
View
A
Retailer 9
-
£1,231 GBP
$1,650 USD
View
A
Retailer 10
-
£1,335 GBP
$1,789 USD
View
B+
Retailer 11
-
£1,414 GBP
View
B+
Retailer 12
-
£1,722 GBP
$2,307 USD
View
Most Expensive
Rare Carat
LGRA30-162510 · Oct 19
£2,015 GBP
$2,700 USD
View
Price last confirmed 12 days ago
12 more retailers have this diamond
Prices start from £309 GBPSave up to £1,413 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
£309 GBP