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Marquise|Lab Grown|IGI

1.18ct E VVS1 Marquise Lab Grown Diamond

VG • E/VVS1 • IGI LG742546462

Certificate IGI LG742546462

Diamond specifications and retailer prices

From £787 GBP
$1,048 USD
As of October 29, 2026
Save £324 GBP (29%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,111 GBP at Zales · As of October 28, 2026
View at Zales

About this 1.18ct lab-grown marquise diamond

This 1.18ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG742546462 or 742546462. Listed at 4 retailers as of October 28, 2026, with prices from £787 to £1,111, a £324 spread on the same certified stone. Zales lists it at £1,111. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.18
Carat
E
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG742546462
Dimensions10.40 × 5.51 × 3.58 mm
L/W Ratio1.89
Top View
10.40 mm5.51 mm1.18 ctE / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742546462
Side View
Table 52.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 65.0%

Caratlytics Score

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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 29
Current: £909 GBP|Low: £787 GBP|High: £1,404 GBP|Avg: £1,042 GBP|-35.3%
Retailer 1
Retailer 2
Retailer 3
Zales
September 28, 2026
Retailer 2£787 GBP
Retailer 1£909 GBP
Retailer 3£1,111 GBP
Zales£1,111 GBP

2 data points across 4 retailers

4 retailers£787 GBP to £1,111 GBP

B
Cheapest Retailer
-
£787 GBP
$1,048 USD
B
Retailer 2
-
£909 GBP
$1,210 USD
View
B
Retailer 3
-
£1,111 GBP
$1,480 USD
View
Most Expensive
B
Zales
526444298 · Oct 28
£1,111 GBP
$1,480 USD
View
3 more retailers have this diamond
Prices start from £787 GBPSave up to £324 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.

B
1.18ct Marquise
£787 GBP