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Marquise|Lab Grown|IGI

2.01ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG850606857

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850606857

Diamond specifications and retailer prices

From £357 GBP
$478 USD
As of November 1, 2026
Save £531 GBP (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £887 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 2.01ct lab-grown marquise diamond

This 2.01ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG850606857 or 850606857. Listed at 5 retailers as of October 31, 2026, with prices from £357 to £887, a £531 spread on the same certified stone. Taylor and Hart lists it at £887. 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

2.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850606857
Dimensions13.60 × 6.59 × 3.93 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.60 mm6.59 mm2.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850606857
Side View
Table 64.0%Crown 30.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £467 GBP|Low: £357 GBP|High: £887 GBP|Avg: £567 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
November 1, 2026
Retailer 4£357 GBP
Retailer 1£467 GBP
Retailer 3£518 GBP
Retailer 2£530 GBP
Taylor and Hart£887 GBP

3 data points across 5 retailers

5 retailers£357 GBP to £887 GBP

B+
Cheapest Retailer
-
£357 GBP
$478 USD
A
Retailer 2
-
£467 GBP
View
B+
Retailer 3
-
£518 GBP
$694 USD
View
B+
Retailer 4
-
£530 GBP
$710 USD
View
Most Expensive
B
Taylor and Hart
L376KGR · Oct 31
£887 GBP
$1,189 USD
View
4 more retailers have this diamond
Prices start from £357 GBPSave up to £531 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
2.01ct Marquise
£357 GBP