Marquise|Lab Grown|IGI

1.75ct E VS2 Marquise Lab Grown Diamond

EX • E/VS2 • IGI LG837616418

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837616418

Diamond specifications and retailer prices

From £428 GBP
As of October 25, 2026
Save £758 GBP (64%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,186 GBP at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 1.75ct lab-grown marquise diamond

This 1.75ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837616418 or 837616418. Listed at 3 retailers as of October 25, 2026, with prices from £428 to £1,186, a £758 spread on the same certified stone. Brilliant Earth lists it at £1,186. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.75
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837616418
Dimensions13.10 × 6.29 × 3.78 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.10 mm6.29 mm1.75 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837616418
Side View
Table 61.0%Crown 34.1°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 60.1%

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: £1,186 GBP|Low: £428 GBP|High: £1,224 GBP|Avg: £858 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
October 25, 2026
Retailer 2£428 GBP
Retailer 3£942 GBP
Brilliant Earth£1,186 GBP

29 data points across 3 retailers

3 retailers£428 GBP to £1,186 GBP

A
Cheapest Retailer
-
£428 GBP
B
Retailer 2
-
£942 GBP
$1,255 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21438459A · Oct 25
£1,186 GBP
$1,580 USD
View
2 more retailers have this diamond
Prices start from £428 GBPSave up to £758 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
1.75ct Marquise
£428 GBP