Radiant|Lab Grown|IGI

4.05ct H VVS2 Radiant Lab Grown Diamond

ID • H/VVS2 • IGI LG690508407

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

Certificate IGI LG690508407

Diamond specifications and retailer prices

From £519 GBP
$695 USD
As of October 31, 2026
Save £2,802 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,321 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.05ct lab-grown radiant diamond

This 4.05ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG690508407 or 690508407. Listed at 19 retailers as of October 31, 2026, with prices from £519 to £3,321, a £2,802 spread on the same certified stone. Brilliant Earth lists it at £3,321. 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

4.05
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG690508407
Dimensions11.12 × 7.85 × 5.36 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.12 mm7.85 mm4.05 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG690508407
Side View
Table 67.0%Crown 46°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 68.3%

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: Oct 31
Current: £3,321 GBP|Low: £437 GBP|High: £3,739 GBP|Avg: £1,292 GBP|-10.8%
Brilliant Earth
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 1, 2026
Retailer 8£519 GBP
Retailer 7£575 GBP
Retailer 16£583 GBP
Retailer 9£634 GBP
Retailer 14£769 GBP
Retailer 6£795 GBP
Retailer 13£822 GBP
Retailer 15£902 GBP
Retailer 12£1,064 GBP
Retailer 11£1,071 GBP
Retailer 10£1,091 GBP
Retailer 5£1,558 GBP
Retailer 4£1,688 GBP
Retailer 3£1,731 GBP
Retailer 2£2,321 GBP
Brilliant Earth£3,321 GBP

37 data points across 16 retailers

19 retailers£519 GBP to £3,321 GBP

Retailer 1
-
£463 GBP
$621 USD
Price last confirmed 24 days ago
A
Retailer 2
-
£519 GBP
$695 USD
View
Final sale: no returns
Retailer 3
-
£519 GBP
$695 USD
View
Price last confirmed 35 days ago
Retailer 4
-
£575 GBP
$770 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
£583 GBP
HK$6,100 HKD
View
A
Retailer 6
-
£634 GBP
$850 USD
View
A
Retailer 7
-
£769 GBP
$1,031 USD
View
Retailer 8
-
£795 GBP
€1,014 EUR
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£822 GBP
$1,102 USD
View
A
Retailer 10
-
£902 GBP
$1,209 USD
View
A
Retailer 11
-
£1,064 GBP
ZAR 23,038 ZAR
View
A
Retailer 12
-
£1,071 GBP
A$2,208 AUD
View
A
Retailer 13
-
£1,091 GBP
$1,462 USD
View
Retailer 14
-
£1,511 GBP
$2,024 USD
View
Price last confirmed 31 days ago
B+
Retailer 15
-
£1,558 GBP
View
B+
Retailer 16
-
£1,688 GBP
SGD 3,057 SGD
View
B+
Retailer 17
-
£1,731 GBP
$2,320 USD
View
B+
Retailer 18
-
£2,321 GBP
View
Most Expensive
B
Brilliant Earth
17681391A · Oct 31
£3,321 GBP
$4,450 USD
View
18 more retailers have this diamond
Prices start from £519 GBPSave up to £2,802 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
4.05ct Radiant
£519 GBP