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Marquise|Lab Grown|IGI

1.90ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG800679940

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679940

Diamond specifications and retailer prices

From £1,175 GBP
HK$12,300 HKD
As of October 30, 2026
Save £3,740 GBP (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,915 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.9ct lab-grown marquise diamond

This 1.9ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800679940 or 800679940. Listed at 11 retailers as of October 30, 2026, with prices from £1,175 to £4,915, a £3,740 spread on the same certified stone. With Clarity lists it at £4,915. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679940
Dimensions12.51 × 6.36 × 4.05 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.51 mm6.36 mm1.90 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679940
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.7%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £1,398 GBP|Low: £1,175 GBP|High: £7,224 GBP|Avg: £2,727 GBP|-31.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
October 30, 2026
Retailer 9£1,175 GBP
Retailer 7£1,355 GBP
Retailer 1£1,398 GBP
Retailer 8£1,455 GBP
Retailer 3£1,552 GBP
Retailer 4£1,773 GBP
Retailer 6£2,496 GBP
Retailer 10£2,794 GBP
Retailer 5£3,116 GBP
Retailer 2£3,374 GBP
With Clarity£4,915 GBP

41 data points across 11 retailers

11 retailers£1,175 GBP to £4,915 GBP

A
Cheapest Retailer
-
£1,175 GBP
HK$12,300 HKD
A
Retailer 2
-
£1,355 GBP
$1,816 USD
View
A
Retailer 3
-
£1,398 GBP
View
A
Retailer 4
-
£1,455 GBP
$1,950 USD
View
A
Retailer 5
-
£1,552 GBP
€1,980 EUR
View
B+
Retailer 6
-
£1,773 GBP
ZAR 38,389 ZAR
View
B+
Retailer 7
-
£2,496 GBP
$3,344 USD
View
B+
Retailer 8
-
£2,794 GBP
$3,743 USD
View
B
Retailer 9
-
£3,116 GBP
View
B
Retailer 10
-
£3,374 GBP
$4,521 USD
View
Most Expensive
B
With Clarity
800679940 · Oct 30
£4,915 GBP
$6,585 USD
View
10 more retailers have this diamond
Prices start from £1,175 GBPSave up to £3,740 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
1.90ct Marquise
£1,175 GBP