Marquise|Lab Grown|IGI

3.05ct I VS1 Marquise Lab Grown Diamond

EX • I/VS1 • IGI LG846648110

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846648110

Diamond specifications and retailer prices

From £726 GBP
€927 EUR
As of October 25, 2026
Save £1,706 GBP (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,432 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846648110 or 846648110. Listed at 8 retailers as of October 25, 2026, with prices from £726 to £2,432, a £1,706 spread on the same certified stone. MOH London lists it at £2,432. 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
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846648110
Dimensions14.34 × 7.62 × 4.83 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.34 mm7.62 mm3.05 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846648110
Side View
Table 62.0%Crown 36.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.4%

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 25
Current: £2,432 GBP|Low: £726 GBP|High: £2,538 GBP|Avg: £1,385 GBP|+19.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 8£726 GBP
Retailer 5£822 GBP
Retailer 7£860 GBP
Retailer 2£913 GBP
Retailer 4£1,560 GBP
Retailer 3£1,649 GBP
Retailer 6£1,989 GBP
MOH London£2,432 GBP

6 data points across 8 retailers

8 retailers£726 GBP to £2,432 GBP

A
Cheapest Retailer
-
£726 GBP
€927 EUR
A
Retailer 2
-
£822 GBP
$1,102 USD
View
A
Retailer 3
-
£860 GBP
$1,152 USD
View
A
Retailer 4
-
£913 GBP
$1,223 USD
View
B+
Retailer 5
-
£1,560 GBP
$2,090 USD
View
B+
Retailer 6
-
£1,649 GBP
$2,210 USD
View
B
Retailer 7
-
£1,989 GBP
$2,665 USD
View
Most Expensive
B
MOH London
LG846648110 · Oct 26
£2,432 GBP
View
7 more retailers have this diamond
Prices start from £726 GBPSave up to £1,706 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
£726 GBP