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Marquise|Lab Grown|IGI

1.08ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG797688293

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797688293

Diamond specifications and retailer prices

From £736 GBP
$990 USD
As of November 4, 2026
2 retailers carry this diamond
Most expensive: £736 GBP at Brilliant Earth
View at Brilliant Earth

About this 1.08ct lab-grown marquise diamond

This 1.08ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG797688293 or 797688293. Listed at 2 retailers as of November 4, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.08
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797688293
Dimensions10.27 × 5.31 × 3.39 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.27 mm5.31 mm1.08 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797688293
Side View
Table 60.0%Crown 36.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £736 GBP|Low: £92 GBP|High: £793 GBP|Avg: £402 GBP|-4.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
August 31, 2026
Retailer 9£94 GBP
Retailer 10£244 GBP
Retailer 8£245 GBP
Retailer 2£248 GBP
Retailer 6£250 GBP
Retailer 3£283 GBP
Retailer 5£378 GBP
Retailer 7£378 GBP
Retailer 4£400 GBP
Retailer 12£516 GBP
Brilliant Earth£736 GBP
Retailer 11£793 GBP

61 data points across 12 retailers

2 retailers

Retailer 1
-
£400 GBP
Price last confirmed 117 days ago
Most Expensive
B
Brilliant Earth
19881488A · Nov 4
£736 GBP
$990 USD
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
1.08ct Marquise
£736 GBP