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Marquise|Lab Grown|IGI

1.75ct E VS2 Marquise Lab Grown Diamond

EX • E/VS2 • IGI LG836641687

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836641687

Diamond specifications and retailer prices

From £426 GBP
As of October 25, 2026
Save £763 GBP (64%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,189 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 LG836641687 or 836641687. Listed at 3 retailers as of October 25, 2026, with prices from £426 to £1,189, a £763 spread on the same certified stone. Brilliant Earth lists it at £1,189. 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 angle35°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836641687
Dimensions12.74 × 6.18 × 3.90 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.74 mm6.18 mm1.75 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836641687
Side View
Table 60.0%Crown 35°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: £1,189 GBP|Low: £201 GBP|High: £1,227 GBP|Avg: £804 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 25, 2026
Retailer 3£201 GBP
Retailer 2£426 GBP
Retailer 4£944 GBP
Brilliant Earth£1,189 GBP

30 data points across 4 retailers

3 retailers£426 GBP to £1,189 GBP

A
Cheapest Retailer
-
£426 GBP
B
Retailer 2
-
£944 GBP
$1,255 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21438879A · Oct 25
£1,189 GBP
$1,580 USD
View
2 more retailers have this diamond
Prices start from £426 GBPSave up to £763 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
£426 GBP