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Marquise|Lab Grown|IGI

4.05ct D VVS2 Marquise Lab Grown Diamond

ID • D/VVS2 • IGI LG830603601

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830603601

Diamond specifications and retailer prices

From £764 GBP
$1,024 USD
As of October 27, 2026
Save £2,330 GBP (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,538 GBP at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 4.05ct lab-grown marquise diamond

This 4.05ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830603601 or 830603601. Listed at 20 retailers as of October 27, 2026, with a 305% 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

4.05
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830603601
Dimensions18.18 × 8.46 × 4.72 mm
L/W Ratio2.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.18 mm8.46 mm4.05 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830603601
Side View
Table 63.0%Crown 32.6°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 55.8%

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 27
Current: £3,538 GBP|Low: £764 GBP|High: £3,538 GBP|Avg: £1,933 GBP
Novita Diamonds
Retailer 2
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Retailer 21
October 28, 2026
Retailer 20£764 GBP
Retailer 21£856 GBP
Retailer 9£876 GBP
Retailer 12£934 GBP
Retailer 14£934 GBP
Retailer 17£1,019 GBP
Retailer 13£1,271 GBP
Retailer 6£1,337 GBP
Retailer 19£1,556 GBP
Retailer 11£1,752 GBP
Retailer 15£1,768 GBP
Retailer 10£1,896 GBP
Retailer 7£1,970 GBP
Retailer 8£2,001 GBP
Retailer 16£2,445 GBP
Retailer 2£2,721 GBP
Retailer 18£2,749 GBP
Retailer 3£2,973 GBP
Retailer 4£3,011 GBP
Retailer 5£3,094 GBP
Novita Diamonds£3,538 GBP

26 data points across 21 retailers

20 retailers£764 GBP to £3,094 GBP

A
Cheapest Retailer
-
£764 GBP
$1,024 USD
A
Retailer 2
-
£876 GBP
$1,174 USD
View
A
Retailer 3
-
£934 GBP
$1,252 USD
View
Retailer 4
-
£934 GBP
$1,252 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£1,019 GBP
$1,365 USD
View
A
Retailer 6
-
£1,271 GBP
View
A
Retailer 7
-
£1,337 GBP
$1,792 USD
View
A
Retailer 8
-
£1,556 GBP
€1,986 EUR
View
A
Retailer 9
-
£1,752 GBP
$2,347 USD
View
A
Retailer 10
-
£1,768 GBP
$2,369 USD
View
B+
Retailer 11
-
£1,896 GBP
$2,540 USD
View
B+
Retailer 12
-
£1,970 GBP
ZAR 42,653 ZAR
View
Retailer 13
-
£2,001 GBP
A$4,124 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£2,445 GBP
View
B+
Retailer 15
-
£2,721 GBP
$3,646 USD
View
B+
Retailer 16
-
£2,749 GBP
$3,684 USD
View
B+
Retailer 17
-
£2,973 GBP
SGD 5,384 SGD
View
B+
Retailer 18
-
£3,011 GBP
View
B+
Retailer 19
-
£3,094 GBP
$4,145 USD
View
Most Expensive
Novita Diamonds
cert_830603601 · Oct 8
£3,538 GBP
A$7,293 AUD
View
Price last confirmed 22 days ago
19 more retailers have this diamond
Prices start from £764 GBPSave up to £2,330 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 Marquise
£764 GBP