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Marquise|Lab Grown|IGI

1.08ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG852643116

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG852643116

Diamond specifications and retailer prices

From £219 GBP
As of October 31, 2026
Save £28 GBP (11%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £247 GBP at Adiamor · As of October 31, 2026
View at Adiamor

About this 1.08ct lab-grown marquise diamond

This 1.08ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG852643116 or 852643116. Listed at 3 retailers as of October 31, 2026, with a relatively tight 13% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG852643116
Dimensions11.41 × 5.33 × 3.14 mm
L/W Ratio2.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.41 mm5.33 mm1.08 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG852643116
Side View
Table 61.0%Crown 32.1°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 58.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £247 GBP|Low: £219 GBP|High: £247 GBP|Avg: £235 GBP
Adiamor
Retailer 2
Retailer 3
October 31, 2026
Retailer 2£219 GBP
Retailer 3£240 GBP
Adiamor£247 GBP

1 data point across 3 retailers

3 retailers£219 GBP to £247 GBP

A
Cheapest Retailer
-
£219 GBP
B+
Retailer 2
-
£240 GBP
$322 USD
View
Most Expensive
B+
Adiamor
D-82903738 · Oct 31
£247 GBP
$332 USD
View
2 more retailers have this diamond
Prices start from £219 GBPSave up to £28 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
1.08ct Marquise
£219 GBP