Marquise|Lab Grown|IGI

1.23ct E VS2 Marquise Lab Grown Diamond

EX • E/VS2 • IGI LG786680469

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786680469

Diamond specifications and retailer prices

From £312 GBP
$415 USD
As of October 28, 2026
Save £527 GBP (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £838 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown marquise diamond

This 1.23ct 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 LG786680469 or 786680469. Listed at 8 retailers as of October 28, 2026, with prices from £312 to £838, a £527 spread on the same certified stone. MOH London lists it at £838. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786680469
Dimensions11.25 × 5.43 × 3.45 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.25 mm5.43 mm1.23 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786680469
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 63.5%

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 28
Current: £838 GBP|Low: £263 GBP|High: £842 GBP|Avg: £447 GBP|+1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 6£312 GBP
Retailer 3£315 GBP
Retailer 2£323 GBP
Retailer 7£337 GBP
Retailer 5£420 GBP
Retailer 4£499 GBP
Retailer 8£613 GBP
MOH London£838 GBP

30 data points across 8 retailers

8 retailers£312 GBP to £838 GBP

A
Cheapest Retailer
-
£312 GBP
$415 USD
A
Retailer 2
-
£315 GBP
€399 EUR
View
A
Retailer 3
-
£323 GBP
View
A
Retailer 4
-
£337 GBP
$449 USD
View
B+
Retailer 5
-
£420 GBP
$559 USD
View
Retailer 6
-
£499 GBP
$665 USD
View
Price last confirmed 8 days ago
Retailer 7
-
£613 GBP
$817 USD
View
Price last confirmed 11 days ago
Most Expensive
B
MOH London
LG786680469 · Oct 29
£838 GBP
View
7 more retailers have this diamond
Prices start from £312 GBPSave up to £527 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
1.23ct Marquise
£312 GBP