Marquise|Lab Grown|IGI

2.14ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG586374917

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG586374917

Diamond specifications and retailer prices

From £1,233 GBP
$1,660 USD
As of November 4, 2026
5 retailers carry this diamond
Most expensive: £1,233 GBP at Brilliant Earth
View at Brilliant Earth

About this 2.14ct lab-grown marquise diamond

This 2.14ct lab-grown marquise sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG586374917 or 586374917. Listed at 5 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

2.14
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG586374917
Dimensions13.09 × 6.78 × 4.27 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.09 mm6.78 mm2.14 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG586374917
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: £1,233 GBP|Low: £179 GBP|High: £1,657 GBP|Avg: £713 GBP|-21.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 4£186 GBP
Retailer 3£216 GBP
Retailer 2£337 GBP
Retailer 10£349 GBP
Retailer 7£388 GBP
Retailer 11£648 GBP
Retailer 8£748 GBP
Retailer 6£820 GBP
Retailer 5£1,033 GBP
Brilliant Earth£1,233 GBP
Retailer 9£1,657 GBP

12 data points across 11 retailers

5 retailers

Retailer 1
-
£186 GBP
Price last confirmed 29 days ago
Retailer 2
-
£216 GBP
View
Price last confirmed 38 days ago
Retailer 3
-
£820 GBP
View
Price last confirmed 37 days ago
Retailer 4
-
£1,033 GBP
View
Price last confirmed 32 days ago
Most Expensive
B+
Brilliant Earth
7605583B · Nov 4
£1,233 GBP
$1,660 USD
View
4 more retailers have 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+
2.14ct Marquise
£1,233 GBP