Marquise|Lab Grown|IGI

3.00ct I VS1 Marquise Lab Grown Diamond

EX • I/VS1 • IGI LG846648121

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846648121

Diamond specifications and retailer prices

From £810 GBP
$1,085 USD
As of November 1, 2026
Save £1,584 GBP (66%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,394 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 3ct lab-grown marquise diamond

This 3ct 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 LG846648121 or 846648121. Listed at 8 retailers as of October 26, 2026, with prices from £810 to £2,394, a £1,584 spread on the same certified stone. MOH London lists it at £2,394. 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

3.00
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846648121
Dimensions14.75 × 7.48 × 4.66 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.75 mm7.48 mm3.00 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846648121
Side View
Table 63.0%Crown 34.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.3%

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: Nov 1
Current: £2,394 GBP|Low: £715 GBP|High: £2,500 GBP|Avg: £1,344 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 8£715 GBP
Retailer 6£810 GBP
Retailer 7£849 GBP
Retailer 2£887 GBP
Retailer 4£1,534 GBP
Retailer 3£1,627 GBP
Retailer 5£1,958 GBP
MOH London£2,394 GBP

7 data points across 8 retailers

8 retailers£810 GBP to £2,394 GBP

Retailer 1
-
£715 GBP
€913 EUR
Price last confirmed 7 days ago
A
Retailer 2
-
£810 GBP
$1,085 USD
View
A
Retailer 3
-
£849 GBP
$1,138 USD
View
A
Retailer 4
-
£887 GBP
$1,188 USD
View
B+
Retailer 5
-
£1,534 GBP
$2,055 USD
View
B+
Retailer 6
-
£1,627 GBP
$2,180 USD
View
B
Retailer 7
-
£1,958 GBP
$2,624 USD
View
Most Expensive
B
MOH London
LG846648121 · Oct 26
£2,394 GBP
View
7 more retailers have this diamond
Prices start from £810 GBPSave up to £1,584 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
3.00ct Marquise
£810 GBP