Marquise|Lab Grown|IGI

3.05ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG830606027

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830606027

Diamond specifications and retailer prices

From £605 GBP
$811 USD
As of October 30, 2026
Save £2,955 GBP (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £3,560 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830606027 or 830606027. Listed at 24 retailers as of October 30, 2026, with prices from £605 to £3,560, a £2,955 spread on the same certified stone. Brilliant Earth lists it at £3,560. 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

3.05
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830606027
Dimensions15.15 × 7.52 × 4.70 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.15 mm7.52 mm3.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830606027
Side View
Table 63.0%Crown 34.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
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 30
Current: £3,560 GBP|Low: £605 GBP|High: £3,560 GBP|Avg: £1,658 GBP
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 13£605 GBP
Retailer 21£677 GBP
Retailer 14£696 GBP
Retailer 22£702 GBP
Retailer 17£817 GBP
Retailer 3£832 GBP
Retailer 2£1,004 GBP
Retailer 18£1,077 GBP
Retailer 10£1,178 GBP
Retailer 20£1,395 GBP
Retailer 6£1,629 GBP
Retailer 12£1,673 GBP
Retailer 11£1,705 GBP
Retailer 4£1,934 GBP
Retailer 9£1,973 GBP
Retailer 7£2,196 GBP
Retailer 16£2,345 GBP
Retailer 19£2,429 GBP
Retailer 8£2,514 GBP
Retailer 5£2,644 GBP
Retailer 15£2,832 GBP
Brilliant Earth£3,560 GBP

22 data points across 22 retailers

24 retailers£605 GBP to £3,560 GBP

A
Cheapest Retailer
-
£605 GBP
$811 USD
A
Retailer 2
-
£677 GBP
$907 USD
View
Final sale: no returns
A
Retailer 3
-
£696 GBP
$932 USD
View
A
Retailer 4
-
£702 GBP
$940 USD
View
Retailer 5
-
£773 GBP
$1,036 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
£817 GBP
View
A
Retailer 7
-
£832 GBP
$1,115 USD
View
A
Retailer 8
-
£1,004 GBP
$1,345 USD
View
A
Retailer 9
-
£1,077 GBP
View
A
Retailer 10
-
£1,178 GBP
€1,503 EUR
View
B+
Retailer 11
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£1,395 GBP
$1,869 USD
View
B+
Retailer 12
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£1,629 GBP
ZAR 35,270 ZAR
View
Retailer 13
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£1,673 GBP
A$3,449 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£1,705 GBP
$2,284 USD
View
B+
Retailer 15
-
£1,934 GBP
View
B+
Retailer 16
-
£1,973 GBP
$2,644 USD
View
B+
Retailer 17
-
£2,196 GBP
$2,942 USD
View
B+
Retailer 18
-
£2,345 GBP
$3,142 USD
View
B
Retailer 19
-
£2,429 GBP
$3,254 USD
View
B+
Retailer 20
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£2,514 GBP
$3,369 USD
View
B
Retailer 21
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£2,644 GBP
View
Retailer 22
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£2,695 GBP
A$5,555 AUD
View
Price last confirmed 22 days ago
Retailer 23
-
£2,832 GBP
$3,795 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21054514A · Oct 30
£3,560 GBP
$4,770 USD
View
23 more retailers have this diamond
Prices start from £605 GBPSave up to £2,955 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
3.05ct Marquise
£605 GBP