CaratHunter
Plans
Marquise|Lab Grown|IGI

1.23ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG804602730

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG804602730

Diamond specifications and retailer prices

From £1,537 GBP
CA$2,842 CAD
As of October 27, 2026
2 retailers carry this diamond
Most expensive: £1,537 GBP at Diamond Exchange Canada
View at Diamond Exchange Canada

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 LG804602730 or 804602730. Listed at 2 retailers as of October 27, 2026. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804602730
Dimensions10.56 × 5.60 × 3.62 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.56 mm5.60 mm1.23 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804602730
Side View
Table 61.0%Crown 36.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £1,537 GBP|Low: £347 GBP|High: £61,101 GBP|Avg: £798 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
August 13, 2026
Retailer 6£347 GBP
Retailer 5£374 GBP
Retailer 7£414 GBP
Retailer 9£417 GBP
Retailer 3£453 GBP
Retailer 4£502 GBP
Retailer 8£610 GBP
Retailer 2£639 GBP
Retailer 10£999 GBP
Diamond Exchange Canada£1,537 GBP

33 data points across 10 retailers

2 retailers

Retailer 1
-
£374 GBP
A$767 AUD
Price last confirmed 119 days ago
Most Expensive
B
Diamond Exchange Canada
1971601366 · Oct 27
£1,537 GBP
CA$2,842 CAD
View
1 more retailer has this diamond

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.

B
1.23ct Marquise
£1,537 GBP