CaratHunter
Plans
Marquise|Lab Grown|IGI

1.20ct E VS2 Marquise Lab Grown Diamond

EX • E/VS2 • IGI LG849621323

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG849621323

Diamond specifications and retailer prices

From £335 GBP
As of October 28, 2026
Save £160 GBP (32%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £496 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG849621323 or 849621323. Listed at 2 retailers as of October 28, 2026, with prices from £335 to £496, a £160 spread on the same certified stone. Rare Carat lists it at £496. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849621323
Dimensions10.65 × 5.67 × 3.53 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
10.65 mm5.67 mm1.20 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849621323
Side View
Table 62.0%Crown 36.1°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 62.3%

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 28
Current: £496 GBP|Low: £335 GBP|High: £496 GBP|Avg: £416 GBP
Rare Carat
Retailer 2
October 28, 2026
Retailer 2£335 GBP
Rare Carat£496 GBP

1 data point across 2 retailers

2 retailers£335 GBP to £496 GBP

A
Cheapest Retailer
-
£335 GBP
Most Expensive
B
Rare Carat
849621323 · Oct 28
£496 GBP
$660 USD
View
1 more retailer has this diamond
Prices start from £335 GBPSave up to £160 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
1.20ct Marquise
£335 GBP