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Marquise|Lab Grown|IGI

1.75ct E VS2 Marquise Lab Grown Diamond

EX • E/VS2 • IGI LG839697708

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839697708

Diamond specifications and retailer prices

From £201 GBP
$267 USD
As of October 28, 2026
Save £744 GBP (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,189 GBP at Brilliant Earth · As of October 21, 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 LG839697708 or 839697708. Listed at 4 retailers as of October 28, 2026, with a 370% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839697708
Dimensions12.38 × 6.44 × 3.91 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.38 mm6.44 mm1.75 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839697708
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £944 GBP|Low: £201 GBP|High: £944 GBP|Avg: £626 GBP|+1.6%
Retailer 1
Retailer 2
Retailer 3
October 28, 2026
Retailer 3£201 GBP
Retailer 2£434 GBP
Retailer 1£944 GBP

13 data points across 3 retailers

4 retailers£201 GBP to £944 GBP

A
Cheapest Retailer
-
£201 GBP
$267 USD
Final sale: no returns
A
Retailer 2
-
£434 GBP
View
B
Retailer 3
-
£944 GBP
$1,255 USD
View
Most Expensive
B
Brilliant Earth
21725009A · Oct 21
£1,189 GBP
$1,580 USD
View
Price last confirmed 7 days ago
3 more retailers have this diamond
Prices start from £201 GBPSave up to £744 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
£201 GBP