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Marquise|Lab Grown|IGI

2.03ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG818683717

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818683717

Diamond specifications and retailer prices

From £2,384 GBP
$3,175 USD
As of October 28, 2026
Save £4,112 GBP (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £11,193 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 2.03ct lab-grown marquise diamond

This 2.03ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818683717 or 818683717. Listed at 10 retailers as of October 28, 2026, with a 172% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.03
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683717
Dimensions13.05 × 6.59 × 3.98 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.05 mm6.59 mm2.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683717
Side View
Table 60.0%Crown 32.1°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £4,030 GBP|Low: £2,384 GBP|High: £10,970 GBP|Avg: £5,645 GBP|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
October 30, 2026
Retailer 4£2,384 GBP
Retailer 8£2,738 GBP
Retailer 6£2,940 GBP
Retailer 1£4,030 GBP
Retailer 5£4,344 GBP
Retailer 2£4,848 GBP
Retailer 3£6,496 GBP
Retailer 7£10,606 GBP
With Clarity£10,970 GBP

42 data points across 9 retailers

10 retailers£2,384 GBP to £6,496 GBP

B+
Cheapest Retailer
-
£2,384 GBP
$3,175 USD
B+
Retailer 2
-
£2,738 GBP
$3,646 USD
View
B+
Retailer 3
-
£2,940 GBP
$3,915 USD
View
B+
Retailer 4
-
£4,030 GBP
View
B
Retailer 5
-
£4,344 GBP
$5,785 USD
View
B
Retailer 6
-
£4,731 GBP
$6,300 USD
View
B
Retailer 7
-
£4,848 GBP
€6,149 EUR
View
B
Retailer 8
-
£6,496 GBP
View
Retailer 9
-
£10,606 GBP
$14,124 USD
View
Price under review
Most Expensive
With Clarity
818683717 · Oct 30
£11,193 GBP
$14,906 USD
View
Price under review
9 more retailers have this diamond
Prices start from £2,384 GBPSave up to £4,112 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+
2.03ct Marquise
£2,384 GBP